306 Accessibility for Existing Buildings — 2025 California Existing Building Code

California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-10-19 · California

CBSC: official editions, supplements and errata

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

Cite as: 2025 California Existing Building Code (Title 24, Part 10) § 306 · Effective January 1, 2026 · Official source: Building Standards Commission

[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.

Explained in plain English

Guides that cite this section.

What accessibility upgrades are required for alterations to existing buildings?

Get a plain-English answer with a citation back to this text.

Ask AI about this code

Export this section

▸Contents — California Existing Building Code (Title 24, Part 10)

California Existing Building Code (Title 24, Part 10)

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.