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Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD

Section 503

California Existing Building Code (Title 24, Part 10) · 2022 edition · updated 2026-09-10 · California

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

503.1 General. Alterations to any building or structure shall

comply with the requirements of the California Building Code or California Residential Code, as applicable, for new construction. Alterations shall be such that the existing building or structure is not less complying with the provisions of the California Building Code or California Residential Code,

PRESCRIPTIVE COMPLIANCE METHOD

2. The Group E building was constructed before the adoption of the 2016 California Building Stan- dards Code.

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▸Contents — California Existing Building Code (Title 24, Part 10)
California Existing Building Code (Title 24, Part 10)
  1. Chapter 2 — DEFINITIONS
  2. Appendix A — GUIDELINES FOR
  3. Appendix B — SUPPLEMENTARY
  4. Appendix C — GUIDELINES FOR THE WIND
  5. Appendix D — BOARD OF
  6. Chapter 1 — SCOPE AND ADMINISTRATION
  7. Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
  8. Chapter 4 — REPAIRS
  9. ▸Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
    Overview
    1. Section 501
    2. Section 503
    3. Section 502
    4. Section 504
    5. Section 505
    6. Section 506
    7. Section 507
    8. Section 501A
    9. Section 502A
    10. Section 503A
    11. Section 504A
    12. Section 505A
    13. Section 506A
    14. Section 507A
  10. Chapter 6 — CLASSIFICATION OF WORK
  11. Chapter 7 — ALTERATIONS—LEVEL 1
  12. Chapter 8 — ALTERATIONS—LEVEL 2
  13. Chapter 9 — ALTERATIONS—LEVEL 3
  14. Chapter 10 — CHANGE OF OCCUPANCY
  15. Chapter 11 — ADDITIONS
  16. Chapter 12 — HISTORIC BUILDINGS
  17. Chapter 13 — PERFORMANCE COMPLIANCE METHODS
  18. Chapter 14 — RELOCATED OR MOVED BUILDINGS
  19. Chapter 15 — CONSTRUCTION SAFEGUARDS
  20. Chapter 16 — REFERENCED STANDARDS

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