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Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 306 — ACCESSIBILITY FOR EXISTING BUILDINGS

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.

[DSA-AC] Public buildings, public accommodations, commercial facilities and public housing regulated by the Division of the State Architect-Access Compliance in Title 24, Part 2, California Building Code, Chapter 1, Section 1.9.1 shall comply with Title 24, Part 2, California Building Code, Chapter 11B.

[HCD 1-AC] Accessibility requirements for covered multifamily dwellings, as defined in Chapter 2 of the California Building Code, are promulgated under HCD authority and are located in Chapter 11A of the California Building Code.

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▸ Contents — 2025 California Existing Building Code (Title 24, Part 10)
2025 California Existing Building Code (Title 24, Part 10)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. ▸ Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
    Overview
    1. Section 301 — ADMINISTRATION
    2. Section 302 — GENERAL PROVISIONS
    3. Section 303 — STORM SHELTERS
    4. Section 304 — STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIG…
    5. Section 305 — IN-SITU LOAD TESTS
    6. Section 306 — ACCESSIBILITY FOR EXISTING BUILDINGS
    7. Section 307 — SMOKE ALARMS
    8. Section 308 — CARBON MONOXIDE DETECTION
    9. Section 309 — ADDITIONS AND REPLACEMENTS OF EXTERIOR WALL COVE…
    10. Section 310 — [OSHPD 1R, 2 AND 5]—SERVICES/SYSTEMS AND UTILITIES
    11. Section 311 — [OSHPD 1R, 2 AND 5]—MEANS OF EGRESS
    12. Section 312 — [OSHPD 1R]—HOSPITAL SPC AND FREESTANDING BUILDIN…
    13. Section 313 — [SFM]—EXISTING GROUP R-1 AND GROUP R-2 OCCUPANCIES
    14. Section 314 — [SFM]—EXISTING HIGH-RISE BUILDINGS
    15. Section 315 — [SFM]—EXISTING GROUP I OCCUPANCIES
    16. Section 316 — [SFM]—EXISTING GROUP L OCCUPANCIES
    17. Section 317 — [BSC, DSA-SS & DSA-SS/CC]—EARTHQUAKE EVALUATION …
    18. Section 318 — [BSC, DSA-SS & DSA-SS/CC]—DEFINITIONS
    19. Section 319 — [BSC, DSA-SS & DSA-SS/CC]—SEISMIC CRITERIA SELEC…
    20. Section 320 — [BSC, DSA-SS & DSA-SS/CC]—METHOD A
    21. Section 321 — [BSC, DSA-SS & DSA-SS/CC]—METHOD B
    22. Section 322 — [BSC, DSA-SS & DSA-SS/CC]—PEER REVIEW REQUIREMENTS
    23. Section 323 — [DSA-SS, DSA-SS/CC]—ADDITIONAL REQUIREMENTS FOR …
  4. Chapter 3A — PROVISIONS FOR ALL COMPLIANCE METHODS
  5. Chapter 4 — REPAIRS
  6. Chapter 4A — REPAIRS
  7. Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
  8. Chapter 5A — PRESCRIPTIVE COMPLIANCE METHOD
  9. Chapter 6 — CLASSIFICATION OF WORK
  10. Chapter 7 — ALTERATIONS—LEVEL 1
  11. Chapter 8 — ALTERATIONS—LEVEL 2
  12. Chapter 9 — ALTERATIONS—LEVEL 3
  13. Chapter 10 — CHANGE OF OCCUPANCY
  14. Chapter 11 — ADDITIONS
  15. Chapter 12 — HISTORIC BUILDINGS
  16. Chapter 13 — PERFORMANCE COMPLIANCE METHODS
  17. Chapter 14 — RELOCATED OR MOVED BUILDINGS
  18. Chapter 15 — CONSTRUCTION SAFEGUARDS
  19. Chapter 16 — REFERENCED STANDARDS
  20. Appendix A — GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING B…
  21. Appendix B — SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXIS…
  22. Appendix C — GUIDELINES FOR THE WIND RETROFIT OF EXISTING BUIL…
  23. Appendix D — BOARD OF APPEALS
  24. Appendix E — TEMPORARY EMERGENCY USES
  25. Appendix A — GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS A…

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