CMC · California Mechanical Code
What is the Code Compliance Agency and its role?
The Mechanical Code requires each jurisdiction to name an enforcement agency and appoint an official (often called the building or code official) who — with deputies as needed — implements, administers and enforces the code; the official is appointed by the chief appointing authority and may interpret but not waive code requirements.
Last reviewed: July 6, 2026
What the code requires — 2-4 sentences
The Code requires a local enforcement agency to be established and staffed so the mechanical code can be implemented, administered and enforced. The agency is created by the jurisdiction (name inserted locally) and the official in charge (the code official / building official depending on code adoption) is appointed by the chief appointing authority. See § 103.1, § 103.2 and § 103.3 for creation, appointment and deputies.
The single most important rule: a local agency must be designated and an official appointed to implement, administer and enforce the Mechanical Code (see § 103.1).
Requirements in detail
Core duties and structure (what § 103 requires)
- Creation of the agency: The jurisdiction must identify the enforcement department (the text provides an “[INSERT NAME OF DEPARTMENT]”) and thereby create the agency responsible for this code. See § 103.1.
- Title and appointment of the official: The official in charge is given a title by the adoption (examples: building official, code official, or another title) and must be appointed by the chief appointing authority of the jurisdiction. See § 103.2.
- Deputies and delegated authority: The official may appoint deputy officials, inspectors and technical officers in accordance with local procedures; those employees exercise the powers delegated to them by the official. See § 103.3.
Decision‑relevant dimensions (quick reference table)
| Decision dimension | Typical values / action | Who decides | Code Reference |
|---|---|---|---|
| Agency name | Local jurisdiction inserts department name | Local legislative/executive body | § 103.1 |
| Official title | “Building official” / “Code official” / specialty title (fire, OSHPD, etc.) | Local appointing authority | § 103.1 / § 103.2 |
| Appointment authority | Chief appointing authority (e.g., city manager, county executive) | Local appointing authority | § 103.2 |
| Ability to delegate | Appoint deputies, technical officers, inspectors | Building/code official (with local concurrence) | § 103.3 |
| Primary function | Implementation, administration, enforcement of the code | Agency / code official | § 103.1 |
| Determination of compliance | Code official authorized to determine compliance and render interpretations | Code official; see Duties & Powers | § 104.2 |
Relationship with specialized enforcing agencies
- Some building types are enforced by state or other agencies (for example, OSHPD for certain hospitals, or DSA for state buildings). The Mechanical Code identifies adopting/enforcing agencies in the adoption matrix and in sections describing special jurisdictions (see agency-specific adoption notes such as the OSHPD entries and the adoption matrix).
- Local enforcing agencies (city/county building departments) are specifically charged with enforcing the code for most occupancies; those duties and powers are set out elsewhere in Chapter 1 (local enforcing agency duties). See CMC Local Enforcing Agency notes.
Exceptions & special cases
- Special-state enforcing agencies: When a state agency (for example, OSHPD for hospitals or the Division of the State Architect for certain facilities) has statutory enforcement authority, that agency — not the local building department — is the enforcing agency for the portions of code listed in the adoption tables. See the OSHPD / DSA adopting-agency language in the code.
- Different official titles in other parts of the Code: The code text uses different titles depending on the code part (e.g., “building official,” “fire code official,” or generically “code official”); the local insert determines the specific title used for the enforcement official for the Mechanical Code. See the examples in § 103.1 and adopting‑agency entries.
- Delegation must follow local procedures: § 103.3 requires deputies and technical officers to be appointed “in accordance with the prescribed procedures of this jurisdiction”; local charter, civil service, or personnel rules can limit delegation.
Common mistakes
- Misreading the agency name: assuming the state named a single statewide enforcing department — the code requires the jurisdiction to insert the actual department name (local or state) at adoption; it is not automatic. See § 103.1.
- Treating the code official as having unilateral authority to waive code provisions: the code permits interpretations and policies but they “shall not have the effect of waiving requirements specifically provided for in this code” (see § 104.2). Don’t conflate interpretation with waiver.
- Overlooking special enforcing agencies: projects under OSHPD, DSA or other state bodies may not be under the local building department — check the adoption matrix and the specific agency entries. Missing this can result in applying the wrong permit or review path.
- Assuming deputies have independent authority without delegation: deputies and inspectors only have the powers delegated by the official; confirm delegation in writing per local procedure. See § 103.3.
Worked example — concrete scenario
Scenario: A mid‑sized city adopts the CMC and must establish the enforcement agency.
- City council passes an ordinance naming the “City Building Department” as the Code Compliance Agency (local insertion to satisfy § 103.1). Action: the name is published in local ordinance and posted with permit application instructions. Reference: § 103.1.
- The city manager (the city’s chief appointing authority) appoints Jane Doe as the building official to lead the agency, per § 103.2. Action: appointment document signed, job description issued. Reference: § 103.2.
- The building official hires two deputy inspectors and delegates inspection authority by written directive consistent with city HR rules, per § 103.3. Action: deputies perform mechanical inspections, exercising delegated authority; the building official retains ultimate authority. Reference: § 103.3.
- A developer asks the building official to waive a prescriptive venting requirement. The official issues an interpretation and requests a technical report to determine compliance, but cannot waive code-mandated requirements; any alternative must be approved under the code’s alternative materials/design provisions and consistent with § 104.2. Reference: § 104.2.
Related provisions
- § 103.1 — Creation of agency (agency name / official title).
- § 103.2 — Appointment (who appoints the official).
- § 103.3 — Deputies (delegation of authority).
- § 104.1 — General duties and enforcement authority of the official.
- § 104.2 — Determination of compliance; interpretations; policies and procedures (limits on waivers).
- CMC Adoption/agency matrix entries (OSHPD/DSA/etc.) — special enforcing agencies and scope of their authority. See the OSHPD / DSA notes (e.g., adoption entries in Chapter 1).
- Local enforcing agency duties and authorities (local building department enforcement notes).
Code references
Grounded in the retrieved California Mechanical Code — click a citation to read the verbatim passage:
CMC § 102.6.2 High relevance — show source text
[A] 102.6.2 Buildings previously occupied. The legal occupancy of any building existing on the date of adoption of this code shall be permitted to continue without change, except as otherwise specifically provided in this code, the California Fire Code or California Existing Building Code, or as is deemed necessary by the building official for the general safety and welfare of the occupants and the public.
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of enforcement agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the building official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The building official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the building official shall have the authority to appoint a deputy building official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the building official.
1-24 2025 CALIFORNIA BUILDING CODE
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ADMINISTRATION
SECTION 104—DUTIES AND POWERS OF BUILDING OFFICIAL
[A] 104.1 General. The building official is hereby authorized and directed to enforce the provisions of this code.
[A] 104.2 Determination of compliance. The building official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of its provisions. Such interpretations, policies and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
[A] 104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the building official.
[A] 104.2.2 Technical assistance. To determine compliance with this code, the building official is authorized to determine compliance with this code, to require the owner or owner’s authorized agent to provide a technical opinion and report.
[A] 104.2.2.1 Cost. A technical opinion and report shall be provided without charge to the jurisdiction.
[A] 104.2.2.2 Preparer qualifications. The technical opinion and report shall be prepared by a qualified engineer, specialist, laboratory or specialty organization acceptable to the building official. The building official is authorized to require design submittals to be prepared by, and bear the stamp of, a registered design professional.
CMC § 101.7 High relevance — show source text
101.7 Maintenance. [BSC, DSA-SS, DSA-SS/CC, HCD 1, HCD 2] Buildings and structures, and parts thereof, shall be maintained in a safe and sanitary condition. Devices or safeguards which are required by this code shall be maintained in conformance with the code edition under which installed. The owner or the owner’s designated agent shall be responsible for the maintenance of buildings and structures. The requirements of this chapter shall not provide the basis for removal or abrogation of fire protection and safety systems and devices in existing structures.
[BSC, HCD 1, HCD 2] To determine compliance with this subsection, the building official shall have the authority to require a building or structure to be re-inspected.
2025 CALIFORNIA EXISTING BUILDING CODE 1-21
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
ADMINISTRATION
SECTION 102—APPLICABILITY
[A] 102.1 General. Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable. Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive shall govern.
[A] 102.2 Other laws. The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law.
[A] 102.3 Application of references. References to chapter or section numbers or to provisions not specifically identified by number shall be construed to refer to such chapter, section or provision of this code.
[A] 102.4 Referenced codes and standards. The codes and standards referenced in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference and as further regulated in Sections 102.4.1 and 102.4.2.
Exception: Where enforcement of a code provision would violate the conditions of the listing of the equipment or appliance, the conditions of the listing shall govern.
[A] 102.4.1 Conflicts. Where conflicts occur between provisions of this code and referenced codes and standards, the provisions of this code shall apply.
[A] 102.4.2 Conflicting provisions. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this code, the provisions of this code, as applicable, shall take precedence over the provisions in the referenced code or standard.
[A] 102.5 Partial invalidity. In the event that any part or provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created, and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The code official shall be appointed by the chief appointing authority of the jurisdiction.
CMC § 102.4 High relevance — show source text
[A] 102.4 Referenced codes and standards. The codes and standards referenced in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference and as further regulated in Sections 102.4.1 and 102.4.2.
Exception: Where enforcement of a code provision would violate the conditions of the listing of the equipment or appliance, the conditions of the listing shall govern.
[A] 102.4.1 Conflicts. Where conflicts occur between provisions of this code and referenced codes and standards, the provisions of this code shall apply.
[A] 102.4.2 Conflicting provisions. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this code, the provisions of this code, as applicable, shall take precedence over the provisions in the referenced code or standard.
[A] 102.5 Partial invalidity. In the event that any part or provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created, and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The code official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the code official shall have the authority to appoint a deputy code official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the code official.
SECTION 104—DUTIES AND POWERS OF CODE OFFICIAL
[A] 104.1 General. The code official is hereby authorized and directed to enforce the provisions of this code.
[A] 104.2 Determination of compliance. The code official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of this code’s provisions. Such interpretations, policies, and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
[A] 104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the code official.
[A] 104.2.2 Technical assistance. To determine compliance with this code, the code official is authorized to require the owner or owner’s authorized agent to provide a technical opinion and report.
[A] 104.2.2.1 Cost. A technical opinion and report shall be provided without charge to the jurisdiction.
CMC § 1-4 High relevance — show source text
1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-4
1.12 Board of Forestry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
DIVISION II SCOPE AND ADMINISTRATION . . . . . . . . . . . . . 1-15
PART 1—GENERAL PROVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
101 Scope and General Requirements. . . . . . . . . . . . . . 1-15
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
PART 2—ADMINISTRATION AND ENFORCEMENT . . . . . . . . . . . 1-17
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . 1-17
104 Duties and Powers of the Code Official . . . . . . . . . 1-17
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
106 Construction Documents . . . . . . . . . . . . . . . . . . . . . 1-20
107 Temporary Uses, Equipment and Systems . . . . . . 1-21
108 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
109 Inspection and Enforcement . . . . . . . . . . . . . . . . . . 1-22
110 Certificate of Completion . . . . . . . . . . . . . . . . . . . . . 1-24
111 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
112 Means of Appeals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
113 Stop Work Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
201 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
202 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
CHAPTER 3 WILDLAND-URBAN INTERFACE AREAS . . . . 3-3
CMC § 1-5 High relevance — show source text
1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . . . . 1-5
DIVISION II— SCOPE AND ADMINISTRATION . . . . . . . . . . . . .1-13
Part 1—General Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
101 Scope and General Requirements . . . . . . . . . . . . . . . 1-13 102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Part 2—Administration and Enforcement . . . . . . . . . . . . . . . . . 1-14
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . . 1-14 104 Duties and Powers of the Fire Code Official . . . . . . . 1-14
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
106 Construction Documents . . . . . . . . . . . . . . . . . . . . . . . 1-26
107 Temporary Structures, Uses, Equipment and Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
108 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
109 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
110 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
111 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
112 Means of Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28 113 Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
114 Stop Work Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29 115 Unsafe Structures or Equipment. . . . . . . . . . . . . . . . . 1-29
CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
CMC § 1-12 High relevance — show source text
1.9 Division of the State Architect . . . . . . . . . . . . . . . . . . . . 1-12
1.10 Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-15
1.12 State Librarian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
1.13 Department of Water Resources . . . . . . . . . . . . . . . . . . 1-20
1.14 California State Lands Commission . . . . . . . . . . . . . . . 1-20
DIVISION II – SCOPE AND ADMINISTRATION . . . . . . . . . . . . . . . . . 1-21
PART 1—SCOPE AND APPLICATION. . . . . . . . . . . . . . . . . . . . . . . 1-21
101 Scope and General Requirements. . . . . . . . . . . . . . . 1-21
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
PART 2—ADMINISTRATION AND ENFORCEMENT . . . . . . . . . . . 1-22
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-22
104 Duties and Powers of Code Official. . . . . . . . . . . . . . 1-22
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
106 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-26
107 Temporary Uses, Equipment and Systems. . . . . . . 1-28
108 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
109 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
110 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-30
111 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
112 Means of Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
CMC § 8.10 Medium relevance — show source text
1.8.10 Other Building Regulations . . . . . . . . . . . . . . . . . . . . . . 1-13
1.9 Division of the State Architect . . . . . . . . . . . . . . . . . . . . 1-13
1.10 Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-17
1.12 State Librarian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
1.13 Reserved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
1.14 California State Lands Commission . . . . . . . . . . . . . . . 1-22
DIVISION II – SCOPE AND ADMINISTRATION . . . . . . . . . . . . 1-23
Part 1—Scope and Application. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
101 Scope and General Requirements. . . . . . . . . . . . . . . 1-23
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
Part 2—Administration and Enforcement . . . . . . . . . . . . . . . . . 1-24
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-24
104 Duties and Powers of Building Official. . . . . . . . . . . 1-25
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
106 Floor and Roof Design Loads . . . . . . . . . . . . . . . . . . . 1-29
107 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-29
108 Temporary Structures, Equipment and Systems . . . . . . . . . . . . . . . . . . . . . 1-31
109 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
110 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
111 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-33
CMC § 1-22 Medium relevance — show source text
PART 2—ADMINISTRATION AND ENFORCEMENT . . . . . . . . . . . 1-22
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-22
104 Duties and Powers of Code Official. . . . . . . . . . . . . . 1-22
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
106 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-26
107 Temporary Uses, Equipment and Systems. . . . . . . 1-28
108 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
109 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
110 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-30
111 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
112 Means of Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
113 Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
114 Stop Work Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
115 Unsafe Structures and Equipment . . . . . . . . . . . . . . 1-31
116 Emergency Measures . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32
117 Demolition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32
CHAPTER 2 DEFINITIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
201 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
202 General Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
CHAPTER 3 PROVISIONS FOR ALL COMPLIANCE
METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
301 Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
CMC § 1.9.2.2.1 Medium relevance — show source text
– Enforcing Agency Division of the State Architect – Structural Safety/Community Colleges (DSA-SS/CC). The Division of the State Architect has been delegated the authority by the Department of General Services to review and approve the design and oversee and observe the construction of community colleges electing to use the alternative building standards as provided in this section.
12 2025 CALIFORNIA MECHANICAL CODE
), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.
DIVISION I CALIFORNIA ADMINISTRATION
Authority Cited – Education Code Section 81053.
– References Education Code Sections 81052, 81053, and 81130 through 81147.
1.9.2.2.1 Adopting Agency Identification. The provi- sions of this code applicable to buildings identified in this Subsection 1.9.2.2 will be identified in the Matrix Adoption Tables under the acronym DSA-SS/CC.
1.10.0 Department of Health Care Access and Informa- tion/Office of Statewide Hospital Planning and Develop-
ment.
1.10.1 OSHPD 1 and OSHPD 1R. Specific scope of appli- cation of the agency responsible for enforcement, enforce- ment agency, specific authority to adopt and enforce such provisions of this code, unless otherwise stated.
OSHPD 1 and OSHPD 1R
Application – [OSHPD 1] General acute-care hospital buildings. [OSHPD 1R] Non-conforming hospital SPC or freestanding buildings that have been removed from acute care service.
Enforcing Agency – Health Care Access and Informa- tion/Office of Statewide Hospital Planning and Devel- opment (OSHPD). The office shall enforce the Division of the State Architect access compliance regulations and the regulations of the Office of the State Fire Marshal for the above stated facility types.
1.10.1.1 Applicable Administrative Standards:
(1) Title 24, Part 1, California Code of Regulations: Chapters 6 and 7.
(2) Title 24, Part 2, California Code of Regulations: Sections 1.1.0 and 1.10.0, Chapter 1, Division I, and as indicated in the adoption matrix for Chapter 1, Division II.
1.10.1.2 Applicable Building Standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.
– Authority Cited Health and Safety Code Sections 127010, 127015, 1275, and 129850.
– References Health and Safety Code Sections 19958, 127010, 127015, 129680, 1275, and 129675 through 130070.
CMC § 1-24 Medium relevance — show source text
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
Part 2—Administration and Enforcement . . . . . . . . . . . . . . . . . 1-24
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-24
104 Duties and Powers of Building Official. . . . . . . . . . . 1-25
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
106 Floor and Roof Design Loads . . . . . . . . . . . . . . . . . . . 1-29
107 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-29
108 Temporary Structures, Equipment and Systems . . . . . . . . . . . . . . . . . . . . . 1-31
109 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
110 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
111 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-33
112 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
113 Means of Appeals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
114 Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
115 Stop Work Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
CHAPTER 2 DEFINITIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
201 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
202 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
CHAPTER 3 OCCUPANCY CLASSIFICATION AND USE . . . . .3-1
301 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
302 Occupancy Classification and Use Designation . . . . 3-3
CMC § 1.10.1.1 Medium relevance — show source text
OSHPD 1 and OSHPD 1R
Application – [OSHPD 1] General acute-care hospital buildings. [OSHPD 1R] Non-conforming hospital SPC or freestanding buildings that have been removed from acute care service.
Enforcing Agency – Health Care Access and Informa- tion/Office of Statewide Hospital Planning and Devel- opment (OSHPD). The office shall enforce the Division of the State Architect access compliance regulations and the regulations of the Office of the State Fire Marshal for the above stated facility types.
1.10.1.1 Applicable Administrative Standards:
(1) Title 24, Part 1, California Code of Regulations: Chapters 6 and 7.
(2) Title 24, Part 2, California Code of Regulations: Sections 1.1.0 and 1.10.0, Chapter 1, Division I, and as indicated in the adoption matrix for Chapter 1, Division II.
1.10.1.2 Applicable Building Standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.
– Authority Cited Health and Safety Code Sections 127010, 127015, 1275, and 129850.
– References Health and Safety Code Sections 19958, 127010, 127015, 129680, 1275, and 129675 through 130070.
1.10.1.3 Adopting Agency Identification. The provisions of this code applicable to buildings identified in this Subsection 1.10.1 will be identified in the Matrix Adop- tion Tables under the acronym OSHPD 1, and OSHPD 1R.
1.10.2 OSHPD 2. Specific scope of application of the agency responsible for enforcement, enforcement agency, specific authority to adopt and enforce such provisions of this code, unless otherwise stated.
OSHPD 2
– Application Skilled nursing facilities and intermediate care facility buildings.
Enforcing Agency – Health Care Access and Informa- tion/Office of Statewide Hospital Planning and Devel-
opment (OSHPD). The office shall also enforce the Divi- sion of the State Architect access compliance regulations and the regulations of the Office of the State Fire Marshal for the above stated facility type.
1.10.2.1 Applicable Administrative Standards:
(1) Title 24, Part 1, California Code of Regulations: Chapter 7.
(2) Title 24, Part 2, California Code of Regulations: Sections 1.1.0 and 1.10.0, Chapter 1, Division I, and as indicated in the adoption matrix for Chapter 1, Division II.
1.10.2.2 Applicable Building Standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10, and 11.
CMC § 1-3 Medium relevance — show source text
Appendix G Voluntary Home-Hardening Recommendations.
Appendix G is an informational appendix that provides discussion of some elements of the proposed self-defense mechanisms and their role in enhancing the protection of exposed structures in the wildland-urban interface. The items provided in this appendix provide owners with suggestions for increasing the survivability of their structure. These items are not mandatory but can be considered by owners to increase the safety of structures.
Appendix H Referenced California Documents.
Appendix H contains portions of California statutes and regulations located in other documents. They are reprinted in Appendix H to aid the user in understanding the requirements applicable to wildland-urban interface areas and to provide a background for the provi- sions. Much of the text in the CWUIC is based on the requirements found in these other documents.
Appendix I Board of Appeals.
Appendix I contains the provisions for appeal and the establishment of a board of appeals. The provisions include the application for an appeal, the makeup of the board of appeals and the conduct of the appeal process.
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CONTENTS
CHAPTER 1 ADMINISTRATION. . . . . . . . . . . . . . . . . . . . . . .1-3
DIVISION I CALIFORNIA ADMINISTRATION
1.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-4
1.12 Board of Forestry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
DIVISION II SCOPE AND ADMINISTRATION . . . . . . . . . . . . . 1-15
PART 1—GENERAL PROVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
101 Scope and General Requirements. . . . . . . . . . . . . . 1-15
102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
PART 2—ADMINISTRATION AND ENFORCEMENT . . . . . . . . . . . 1-17
103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . 1-17
104 Duties and Powers of the Code Official . . . . . . . . . 1-17
105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
106 Construction Documents . . . . . . . . . . . . . . . . . . . . . 1-20
107 Temporary Uses, Equipment and Systems . . . . . . 1-21
CMC § 102.4.2 High relevance — show source text
[A] 102.4.2 Provisions in referenced codes and standards. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this code or the California Codes specified in Section 101.4, the provisions of this code or the California Codes specified in Section 101.4, as applicable, shall take precedence over the provisions in the referenced code or standard.
102.4.3 Code references. [OSHPD 1, 1R, 2, 3, 4, 5 & 6, DSA-SS & DSA-SS/CC] All reference to International Codes or other similar codes in referenced standards shall be replaced by equivalent provisions in the California Building Standards Codes.
102.4.4 Reference in standards. [OSHPD 1, 1R, 2, 3, 4, 5 & 6, DSA-SS & DSA-SS/CC] All references listed in reference standards shall be replaced by referenced standards listed in Chapter 35 of this code, where applicable, and shall include all amendments to the reference standards in this code.
[A] 102.5 Partial invalidity. In the event that any part or provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
[A] 102.6 Existing structures. The legal occupancy of any structure existing on the date of adoption of this code shall be permitted to continue without change, except as otherwise specifically provided in this code, the California Existing Building Code or the Cali- fornia Fire Code .
[A] 102.6.1 Buildings not previously occupied. A building or portion of a building that has not been previously occupied or used for its intended purpose in accordance with the laws in existence at the time of its completion shall comply with the provisions of this code or the California Residential Code, as applicable, for new construction or with any current permit for such occupancy.
[A] 102.6.2 Buildings previously occupied. The legal occupancy of any building existing on the date of adoption of this code shall be permitted to continue without change, except as otherwise specifically provided in this code, the California Fire Code or California Existing Building Code, or as is deemed necessary by the building official for the general safety and welfare of the occupants and the public.
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of enforcement agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the building official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The building official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the building official shall have the authority to appoint a deputy building official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the building official.
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ADMINISTRATION
CMC § 102.7 High relevance — show source text
[A] 102.7 Partial invalidity. In the event that any part or provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
[A] 102.8 Existing conditions. The legal occupancy or use of any structure or condition existing on the date of adoption of this code shall be permitted to continue without change, except as is specifically covered in this code or the California Fire Code, California Building Code, California Existing Building Code or the California Residential Code, or as is deemed necessary by the code official for the general safety and welfare of the occupants and the public.
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ADMINISTRATION
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The code official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the code official shall have the authority to appoint a deputy code official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the code official.
SECTION 104—DUTIES AND POWERS OF THE CODE OFFICIAL
[A] 104.1 Powers and duties of the code official. The code official is hereby authorized to enforce the provisions of this code.
[A] 104.2 Determination of compliance. The code official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of its provisions. Such interpretations, policies and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
[A] 104.2.1 Technical assistance. To determine compliance with this code, the code official is authorized to require the owner, the owner’s authorized agent or the person in possession or control of the building or premises to provide a technical opinion and report.
[A] 104.2.1.1 Costs. A technical opinion and report shall be provided without charge to the jurisdiction.
[A] 104.2.1.2 Preparer qualifications. The technical opinion and report shall be prepared by a qualified engineer, specialist, laboratory or fire safety specialty organization acceptable to the code official. The code official is authorized to require design submittals to be prepared by, and bear the stamp of, a registered design professional.
[A] 104.2.1.3 Content. The technical opinion and report shall analyze the properties of the design, operation or use of the building or premises, the facilities and appurtenances situated thereon and fuel management to identify and propose necessary recommendations.
CMC § 2.1 High relevance — show source text
R102.7 Wildland-Urban Interface. The provisions of Part 7, California Wildland-Urban Interface Code shall apply to buildings and struc- tures built in the wildland-urban interface (WUI).
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION R103—CODE COMPLIANCE AGENCY
R103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the building official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
R103.2 Appointment. The building official shall be appointed by the chief appointing authority of the jurisdiction.
R103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the building official shall have the authority to appoint a deputy building official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the building official.
SECTION R104—DUTIES AND POWERS OF THE BUILDING OFFICIAL
R104.1 General. The building official is hereby authorized and directed to enforce the provisions of this code.
R104.2 Determination of compliance. The building official shall have the authority to render interpretations of this code and to adopt policies and procedures in order to clarify the application of this code’s provisions. Such interpretations, policies and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
R104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the building official.
R104.2.2 Alternative materials, design and methods of construction and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved.
R104.2.2.1 Approval authority. An alternative material, design or method of construction shall be approved where the building official finds that the proposed alternative is satisfactory and complies with Sections R104.2.2 through R104.2.2.6.2, as applicable.
R104.2.2.2 Application and disposition. Where required, a request to use an alternative material, design or method of construction shall be submitted in writing to the building official for approval. Where the alternative material, design or method of construction is not approved, the building official shall respond in writing, stating the reasons the alternative was not approved.
R104.2.2.3 Compliance with code intent. An alternative material, design or method of construction shall comply with the intent of the provisions of this code.
R104.2.2.4 Equivalency criteria. An alternative material, design or method of construction shall, for the purpose intended, be not less than the equivalent of that prescribed in this code with respect to all the following, as applicable:
- Quality.
- Strength.
CMC § 102.2 High relevance — show source text
[A] 102.2 Other laws. The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law.
[A] 102.3 Application of references. References to chapter or section numbers, or to provisions not specifically identified by number, shall be construed to refer to such chapter, section or provision of this code.
[A] 102.4 Referenced codes and standards. The codes and standards referenced in this code shall be those that are listed in Chapter 7 and such codes and standards shall be considered as part of the requirements of this code to the prescribed extent of each such reference and as further regulated in Sections 102.4.1 and 102.4.2.
[A] 102.4.1 Conflicts. Where conflicts occur between provisions of this code and the referenced standards, the provisions of this code shall govern.
[A] 102.4.2 Provisions in referenced codes and standards. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this code, the provisions of this code, as applicable, shall take precedence over the provisions in the referenced standard.
[A] 102.5 Subjects not regulated by this code. Where applicable standards or requirements are not set forth in this code, or are contained within other laws, codes, regulations, ordinances or policies adopted by the jurisdiction, compliance with applicable standards of other nationally recognized safety standards, as approved, shall be deemed as prima facie evidence of compliance with the intent of this code. Nothing herein shall derogate from the authority of the code official to determine compliance with codes or standards for those activities or installations within the code official’s jurisdiction or responsibility.
[A] 102.6 Matters not provided for. Requirements that are essential for the public safety of an existing or proposed activity, building or structure, or for the safety of the occupants thereof, which are not specifically provided for by this code, shall be determined by the code official consistent with the necessity to establish the minimum requirements to safeguard the public health, safety and general welfare.
[A] 102.7 Partial invalidity. In the event that any part or provision of this code is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
[A] 102.8 Existing conditions. The legal occupancy or use of any structure or condition existing on the date of adoption of this code shall be permitted to continue without change, except as is specifically covered in this code or the California Fire Code, California Building Code, California Existing Building Code or the California Residential Code, or as is deemed necessary by the code official for the general safety and welfare of the occupants and the public.
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ADMINISTRATION
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The code official shall be appointed by the chief appointing authority of the jurisdiction.
CMC § 103.1 Medium relevance — show source text
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the fire code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The fire code official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the fire code official shall have the authority to appoint a deputy fire code official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the fire code official.
SECTION 104—DUTIES AND POWERS OF THE FIRE CODE OFFICIAL
[A] 104.1 General. The fire code official is hereby authorized to enforce the provisions of this code.
[A] 104.2 Determination of compliance. The fire code official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of its provisions. Such interpretations, policies and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
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DIVISION II—SCOPE AND ADMINISTRATION
[A] 104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the fire code official.
[A] 104.2.2 Technical assistance. To determine compliance with this code, the fire code official is authorized to require the owner or owner’s authorized agent to provide a technical opinion and report.
[A] 104.2.2.1 Cost. A technical opinion and report shall be provided without charge to the jurisdiction.
[A] 104.2.2.2 Preparer qualifications. The technical opinion and report shall be prepared by a qualified engineer, specialist, laboratory or fire safety specialty organization acceptable to the fire code official. The fire code official is authorized to require design submittals to be prepared by, and bear the stamp of, a registered design professional.
[A] 104.2.2.3 Content. The technical opinion and report shall analyze the properties of the design, operation or use of the building or premises and the facilities and appurtenances situated thereon to identify and propose necessary recommendations.
CMC § 102.8 Medium relevance — show source text
[A] 102.8 Subjects not regulated by this code. Where applicable standards or requirements are not set forth in this code, or are contained within other laws, codes, regulations, ordinances or bylaws adopted by the jurisdiction, compliance with applicable standards of the National Fire Protection Association or other nationally recognized fire safety standards, as approved, shall be deemed as prima facie evidence of compliance with the intent of this code. Nothing herein shall derogate from the authority of the fire code official to determine compliance with codes or standards for those activities or installations within the fire code official’s jurisdiction or responsibility.
[A] 102.9 Matters not provided for. Requirements that are essential for the public safety of an existing or proposed activity, building or structure, or for the safety of the occupants thereof, that are not specifically provided for by this code, shall be determined by the fire code official.
[A] 102.10 Conflicting provisions. Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable. Where, in a specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive shall govern.
[A] 102.11 Other laws. The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law.
[A] 102.12 Application of references. References to chapter or section numbers, or to provisions not specifically identified by number, shall be construed to refer to such chapter, section or provision of this code.
102.13 Wildland-urban interface. The provisions of the California Wildland-Urban Interface Code shall apply to buildings and struc- tures built in the wildland-urban interface.
PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103—CODE COMPLIANCE AGENCY
[A] 103.1 Creation of agency. The [ INSERT NAME OF DEPARTMENT ] is hereby created and the official in charge thereof shall be known as the fire code official. The function of the agency shall be the implementation, administration and enforcement of the provisions of this code.
[A] 103.2 Appointment. The fire code official shall be appointed by the chief appointing authority of the jurisdiction.
[A] 103.3 Deputies. In accordance with the prescribed procedures of this jurisdiction and with the concurrence of the appointing authority, the fire code official shall have the authority to appoint a deputy fire code official, other related technical officers, inspectors and other employees. Such employees shall have powers as delegated by the fire code official.
SECTION 104—DUTIES AND POWERS OF THE FIRE CODE OFFICIAL
[A] 104.1 General. The fire code official is hereby authorized to enforce the provisions of this code.
[A] 104.2 Determination of compliance. The fire code official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of its provisions. Such interpretations, policies and procedures:
- Shall be in compliance with the intent and purpose of this code.
- Shall not have the effect of waiving requirements specifically provided for in this code.
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DIVISION II—SCOPE AND ADMINISTRATION
Frequently asked questions
Who actually becomes the Code Compliance Agency?
The jurisdiction identifies (in ordinance or administrative adoption) the enforcing department by inserting the department name required by § 103.1; most commonly this is the local building department.
Who appoints the official in charge?
The official is appointed by the local governing chief appointing authority (for example the city manager or county executive) as required by § 103.2.
Can the code official waive a code requirement?
No—while the code official can render interpretations and adopt policies, those interpretations cannot waive requirements specifically provided in the code (see § 104.2).
What if my building is under OSHPD or another state agency?
Special-state agencies (OSHPD, DSA, etc.) may be the enforcing agency for some building categories; check the CMC adoption matrix and the agency-specific entries in Chapter 1 to confirm jurisdiction.
Are deputies allowed to sign permits and perform inspections?
Yes—deputies and inspectors can exercise powers delegated by the official, but their authority must be delegated following the jurisdiction’s prescribed procedures (see § 103.3).
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