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Chapter 10 — CHANGE OF OCCUPANCY

Section 1010 — OTHER REQUIREMENTS

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.

1010.1 Light and ventilation.

Light and ventilation shall comply with the requirements of the California Building Code for the new

occupancy.

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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
  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
    Overview
    1. Section 1001 — GENERAL
    2. Section 1002 — SPECIAL USE AND OCCUPANCY
    3. Section 1003 — BUILDING ELEMENTS AND MATERIALS
    4. Section 1004 — FIRE PROTECTION
    5. Section 1005 — MEANS OF EGRESS
    6. Section 1006 — STRUCTURAL
    7. Section 1007 — ELECTRICAL
    8. Section 1008 — MECHANICAL
    9. Section 1009 — PLUMBING
    10. Section 1010 — OTHER REQUIREMENTS
    11. Section 1011 — CHANGE OF OCCUPANCY CLASSIFICATION
  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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