Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
Section 302 — GENERAL PROVISIONS
2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-07-29 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
302.1 Dangerous conditions. ¶
The code official shall have the authority to require the elimination of conditions deemed dangerous.
302.1.1 Dangerous conditions. [BSC] Regardless of the extent of structural or nonstructural damage, the code official shall have the authority to require the elimination of conditions deemed dangerous.
302.2 Additional codes. ¶
Alterations, repairs, additions and changes of occupancy to, or relocation of, existing buildings and structures shall comply with the provisions for alterations, repairs, additions and changes of occupancy or relocation, respectively, in this code and the California Energy Code, California Fire Code, California Mechanical Code, California Plumbing Code, California Residential Code and California Electrical Code . Where provisions of the other codes conflict with provisions of this code, the provisions of this code shall take precedence.
302.2.1 Additional codes in health care. In existing Group I-2 occupancies, ambulatory health care facilities, outpatient clinics and hyperbaric facilities, alterations, repairs, additions and changes of occupancy to, or relocation of, existing buildings and structures shall also comply with NFPA 99.
302.3 Existing materials. ¶
Materials already in use in a building in compliance with requirements or approvals in effect at the time of their erection or installation shall be permitted to remain in use unless determined by the code official to be unsafe.
302.4 New and replacement materials. ¶
Except as otherwise required or permitted by this code, materials permitted by the applicable code for new construction shall be used. Like materials shall be permitted for repairs and alterations, provided that unsafe conditions are not created. Hazardous materials shall not be used where the code for new construction would not permit their use in buildings of similar occupancy, purpose and location. [HCD 1] Local ordinances or regulations shall permit the replacement, retention and extension of original materials, and the use of original methods of construction, for any building or accessory structure, provided such building or structure complied with the building code provisions in effect at the time of original construction and the building or accessory structure does not become or continue to be a substandard building. For additional information, see Health and Safety Code Sections 17912, 17920.3, 17922(d), 17922.3, 17958.8 and 17958.9.
Exception: No replacement residential garage door shall be installed to connect the replacement door to an existing residential automatic garage door opener that does not have a battery backup function designed to keep the garage door operational without interruption during an electrical outage. See Health and Safety Code Section 19892.
[BS] 302.4.1 New structural members and connections. New structural members and connections shall comply with the detailing provisions of the California Building Code for new buildings of similar structure, purpose and location.
Exception: Where alternative design criteria are specifically permitted.
302.5 Occupancy and use. ¶
Where determining the appropriate application of the referenced sections of this code, the occupancy and use of a building shall be determined in accordance with Chapter 3 of the California Building Code .
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Ask AI about this code▸ Contents — 2025 California Existing Building Code (Title 24, Part 10)
- Chapter 1 — ADMINISTRATION
- Chapter 2 — DEFINITIONS
-
▸ Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
Overview- Section 301 — ADMINISTRATION
- Section 302 — GENERAL PROVISIONS
- Section 303 — STORM SHELTERS
- Section 304 — STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIG…
- Section 305 — IN-SITU LOAD TESTS
- Section 306 — ACCESSIBILITY FOR EXISTING BUILDINGS
- Section 307 — SMOKE ALARMS
- Section 308 — CARBON MONOXIDE DETECTION
- Section 309 — ADDITIONS AND REPLACEMENTS OF EXTERIOR WALL COVE…
- Section 310 — [OSHPD 1R, 2 AND 5]—SERVICES/SYSTEMS AND UTILITIES
- Section 311 — [OSHPD 1R, 2 AND 5]—MEANS OF EGRESS
- Section 312 — [OSHPD 1R]—HOSPITAL SPC AND FREESTANDING BUILDIN…
- Section 313 — [SFM]—EXISTING GROUP R-1 AND GROUP R-2 OCCUPANCIES
- Section 314 — [SFM]—EXISTING HIGH-RISE BUILDINGS
- Section 315 — [SFM]—EXISTING GROUP I OCCUPANCIES
- Section 316 — [SFM]—EXISTING GROUP L OCCUPANCIES
- Section 317 — [BSC, DSA-SS & DSA-SS/CC]—EARTHQUAKE EVALUATION …
- Section 318 — [BSC, DSA-SS & DSA-SS/CC]—DEFINITIONS
- Section 319 — [BSC, DSA-SS & DSA-SS/CC]—SEISMIC CRITERIA SELEC…
- Section 320 — [BSC, DSA-SS & DSA-SS/CC]—METHOD A
- Section 321 — [BSC, DSA-SS & DSA-SS/CC]—METHOD B
- Section 322 — [BSC, DSA-SS & DSA-SS/CC]—PEER REVIEW REQUIREMENTS
- Section 323 — [DSA-SS, DSA-SS/CC]—ADDITIONAL REQUIREMENTS FOR …
- Chapter 3A — PROVISIONS FOR ALL COMPLIANCE METHODS
- Chapter 4 — REPAIRS
- Chapter 4A — REPAIRS
- Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
- Chapter 5A — PRESCRIPTIVE COMPLIANCE METHOD
- Chapter 6 — CLASSIFICATION OF WORK
- Chapter 7 — ALTERATIONS—LEVEL 1
- Chapter 8 — ALTERATIONS—LEVEL 2
- Chapter 9 — ALTERATIONS—LEVEL 3
- Chapter 10 — CHANGE OF OCCUPANCY
- Chapter 11 — ADDITIONS
- Chapter 12 — HISTORIC BUILDINGS
- Chapter 13 — PERFORMANCE COMPLIANCE METHODS
- Chapter 14 — RELOCATED OR MOVED BUILDINGS
- Chapter 15 — CONSTRUCTION SAFEGUARDS
- Chapter 16 — REFERENCED STANDARDS
- Appendix A — GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING B…
- Appendix B — SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXIS…
- Appendix C — GUIDELINES FOR THE WIND RETROFIT OF EXISTING BUIL…
- Appendix D — BOARD OF APPEALS
- Appendix E — TEMPORARY EMERGENCY USES
- Appendix A — GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS A…