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Chapter 1 — ADMINISTRATION

Section R109 — INSPECTIONS

2025 California Residential Code (Title 24, Part 2.5) · 2025 edition · updated 2026-07-29 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

R109.1 Types of inspections.

For on-site construction, from time to time the building official, upon notification from the permit holder or his agent, shall make or cause to be made any necessary inspections and shall either approve that portion of the construction as completed or shall notify the permit holder or his or her agent wherein the same fails to comply with this code. The enforcing

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

DIVISION II SCOPE AND ADMINISTRATION

agency upon notification of the permit holder or their agent shall within a reasonable time make the inspections set forth in Sections R109.1.1, R109.1.1.1, R109.1.3, R109.1.4, R109.1.4.1, R109.1.4.2, R109.1.5, R109.1.5.1, R109.1.5.2, R109.1.5.3, R109.1.6, R109.1.6.1 and

R109.1.6.2.

Note: Reinforcing steel or structural framework of any part of any building or structure shall not be covered or concealed without first obtaining the approval of the enforcing agency.

R109.1.1 Foundation inspection. Inspection of the foundation and footings shall be made after poles or piers are set or trenches or basement areas are excavated and any required forms erected and any required reinforcing steel is in place and supported prior to the placing of concrete. The foundation or footings inspection shall include excavations for thickened slabs intended for the support of bearing walls, partitions, structural supports, or equipment and special requirements for wood foundations. Mate- rials for the foundation shall be on the job site except where concrete is ready-mixed in accordance with ASTM C94. Under this circumstance, concrete is not required to be at the job site.

R109.1.1.1 Concrete slab and under-floor inspection. Concrete slab and under-floor inspections shall be made after in-slab or under-floor reinforcing steel and building service equipment, conduits, piping or other ancillary building trade products or equip- ment are installed, but before any concrete is placed or floor sheathing is installed, including the subfloor.

R109.1.2 Plumbing, mechanical, gas and electrical systems inspection. Rough inspection of plumbing, mechanical, gas and electrical systems shall be made prior to covering or concealment, before fixtures or appliances are set or installed, and prior to framing inspection.

Exception: Backfilling of ground-source heat pump loop systems tested in accordance with the California Mechanical Code prior to inspection shall be permitted.

R109.1.3 Floodplain inspections. For construction in flood hazard areas as established by Table R301.2, upon placement of the lowest floor, including basement, and prior to further vertical construction, the building official shall require submission of documentation, prepared and sealed by a registered design professional, of the elevation of the lowest floor, including basement, required in Section R306.

oodplain inspections.** For construction in flood hazard areas as established by Table R301.2, upon placement of the lowest floor, including basement, and prior to further vertical construction, the building official shall require submission of documentation, prepared and sealed by a registered design professional, of the elevation of the lowest floor, including basement, required in Section R306.

R109.1.4 Frame and masonry inspection. Inspection of framing and masonry construction shall be made after the roof, masonry, framing, firestopping, draftstopping and bracing are in place and after chimneys and vents to be concealed are completed and the rough electrical, plumbing, heating, wires, pipes and ducts are approved.

R109.1.4.1 Moisture content verification. Moisture content of framing members shall be verified in accordance with the Califor- nia Green Building Standards Code, Chapter 4, Division 4.5.

R109.1.4.2 Lath and gypsum board inspection. Lath and gypsum board inspections shall be made after lathing and gypsum board, interior and exterior, is in place, but before any plastering is applied or gypsum board joints and fasteners are taped and finished.

R109.1.5 Other inspections. In addition to inspections in Sections R109.1.1 through R109.1.4.2, the building official shall have the authority to make or require any other inspections to ascertain compliance with this code and other laws enforced by the building official.

R109.1.5.1 Fire-resistance-rated construction inspection. Where fire-resistance-rated construction is required between dwelling units or due to location on property, the building official shall require an inspection of such construction after lathing or gypsum panel products are in place, but before any plaster is applied, or before panel joints and fasteners are taped and finished. Protection of joints and penetrations in fire-resistance-rated assemblies shall not be concealed from view until inspected and approved.

R109.1.5.2 Special inspections. For special inspections, see California Building Code, Chapter 17.

R109.1.5.3 Weather-exposed balcony and walking surface waterproofing. Where balconies or other elevated walking surfaces are exposed to water from direct or blowing rain, snow or irrigation, and the structural framing is protected by an impervious moisture barrier, all elements of the impervious moisture barrier system shall not be concealed until inspected and approved.

Exception: Where special inspections are provided in accordance with California Building Code Section 1705.1.1, Item 3.

R109.1.6 Final inspection. Final inspection shall be made after the permitted work is complete and prior to occupancy.

R109.1.6.1 Elevation documentation. If located in a flood hazard area, the documentation of elevations required in Section R306.1.10 shall be submitted to the building official prior to the final inspection.

R109.1.6.2 Operation and maintenance manual. At the time of final inspection, a manual, compact disc, web-based reference or other media acceptable to the enforcing agency shall be placed in the building in accordance with the California Green Building Standards Code, Chapter 4, Division 4.4.

R109.2 Inspection agencies.

The building official is authorized to accept reports of approved agencies, provided such agencies satisfy the requirements as to qualifications and reliability.

R109.3 Inspection requests.

It shall be the duty of the permit holder or their agent to notify the building official that such work is ready for inspection. It shall be the duty of the person requesting any inspections required by this code to provide access to and means for inspection of such work.

R109.4 Approval required.

Work shall not be done beyond the point indicated in each successive inspection without first obtaining the approval of the building official. The building official, upon notification, shall make the requested inspections and shall either indicate the portion of the construction that is satisfactory as completed, or shall notify the permit holder or an agent of the permit

1-24 2025 CALIFORNIA RESIDENTIAL CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

DIVISION II SCOPE AND ADMINISTRATION

holder wherein the same fails to comply with this code. Any portions that do not comply shall be corrected and such portion shall not be covered or concealed until authorized by the building official.

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▸ Contents — 2025 California Residential Code (Title 24, Part 2.5)
2025 California Residential Code (Title 24, Part 2.5)
  1. ▸ Chapter 1 — ADMINISTRATION
    Overview
    1. Section 1.1 — GENERAL
    2. Section 1.2 — RESERVED
    3. Section 1.3 — RESERVED
    4. Section 1.4 — RESERVED
    5. Section 1.5 — RESERVED
    6. Section 1.6 — RESERVED
    7. Section 1.7 — RESERVED
    8. Section 1.8 — DEPARTMENT OF HOUSING AND COMMUNITY DEVELOPMENT …
    9. Section 1.8.2 — AUTHORITY AND ABBREVIATIONS
    10. Section 1.8.3 — LOCAL ENFORCING AGENCY
    11. Section 1.8.4 — PERMITS, FEES, APPLICATIONS AND INSPECTIONS
    12. Section 1.8.5 — RIGHT OF ENTRY FOR ENFORCEMENT
    13. Section 1.8.6 — LOCAL MODIFICATION BY ORDINANCE OR REGULATION
    14. Section 1.8.7 — ALTERNATE MATERIALS, DESIGNS, TESTS AND METHOD…
    15. Section 1.8.8 — APPEALS BOARD
    16. Section 1.8.9 — UNSAFE BUILDINGS OR STRUCTURES
    17. Section 1.8.10 — OTHER BUILDING REGULATIONS
    18. Section 1.9 — RESERVED
    19. Section 1.10 — RESERVED
    20. Section 1.11 — OFFICE OF THE STATE FIRE MARSHAL
    21. Section 1.12 — RESERVED
    22. Section 1.13 — RESERVED
    23. Section 1.14 — RESERVED
    24. Section R101 — SCOPE AND GENERAL REQUIREMENTS
    25. Section R102 — APPLICABILITY
    26. Section R103 — CODE COMPLIANCE AGENCY
    27. Section R104 — DUTIES AND POWERS OF THE BUILDING OFFICIAL
    28. Section R105 — PERMITS
    29. Section R106 — CONSTRUCTION DOCUMENTS
    30. Section R107 — TEMPORARY STRUCTURES AND USES
    31. Section R108 — FEES
    32. Section R109 — INSPECTIONS
    33. Section R110 — CERTIFICATE OF OCCUPANCY
    34. Section R111 — SERVICE UTILITIES
    35. Section R112 — MEANS OF APPEALS
    36. Section R113 — VIOLATIONS
    37. Section R114 — STOP WORK ORDER
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — BUILDING PLANNING
  4. Chapter 4 — FOUNDATIONS
  5. Chapter 5 — FLOORS
  6. Chapter 6 — WALL CONSTRUCTION
  7. Chapter 7 — WALL COVERING
  8. Chapter 8 — ROOF-CEILING CONSTRUCTION
  9. Chapter 9 — ROOF ASSEMBLIES
  10. Chapter 10 — CHIMNEYS AND FIREPLACES
  11. Chapter 44 — REFERENCED STANDARDS
  12. Appendix AA — BOARD OF APPEALS
  13. Appendix AB — PERMIT FEES
  14. Appendix AC — RESERVED
  15. Appendix BA — RESERVED
  16. Appendix BB — TINY HOUSES
  17. Appendix BC — RESERVED
  18. Appendix BD — RESERVED
  19. Appendix BE — RADON CONTROL METHODS
  20. Appendix BF — PATIO COVERS
  21. Appendix BG — SOUND TRANSMISSION
  22. Appendix BH — AUTOMATIC VEHICULAR GATES
  23. Appendix BI — LIGHT STRAW-CLAY CONSTRUCTION
  24. Appendix BJ — STRAWBALE CONSTRUCTION
  25. Appendix BK — COB CONSTRUCTION (MONOLITHIC ADOBE)
  26. Appendix BL — HEMP-LIME (HEMPCRETE) CONSTRUCTION
  27. Appendix BM — 3D-PRINTED BUILDING CONSTRUCTION
  28. Appendix BN — EXTENDED PLATE WALL CONSTRUCTION
  29. Appendix BO — EXISTING BUILDINGS AND STRUCTURES
  30. Appendix CA — RESERVED
  31. Appendix CB — RESERVED
  32. Appendix CC — RESERVED
  33. Appendix CD — RESERVED
  34. Appendix CE — RESERVED
  35. Appendix CF — RESERVED
  36. Appendix CG — NONSEWERED SANITATION SYSTEMS
  37. Appendix CH — PRIVATE SEWAGE DISPOSAL
  38. Appendix CI — SWIMMING POOL SAFETY ACT
  39. Appendix CJ — EMERGENCY HOUSING
  40. Appendix CK — AREAS PROTECTED BY THE FACILITIES OF THE CENTRAL…

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