Chapter 8 — ROOF-CEILING CONSTRUCTION
R807 Attic Access — 2025 California Residential Code
California Residential Code (Title 24, Part 2.5) · 2025 edition · updated 2026-09-26 · 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 Residential Code (Title 24, Part 2.5) § R807 · Effective January 1, 2026 · Official source: Building Standards Commission
R807.1 Attic access.¶
Buildings with attics shall have an access opening to attic areas that have a vertical height of 30 inches (762 mm) or greater over an area of not less than 30 square feet (2.8 m [2] ). The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.
The rough-framed opening shall be not less than 22 inches by 30 inches (559 mm by 762 mm) and shall be located in a hallway or other location with ready access. Where located in a wall, the opening shall be not less than 22 inches wide by 30 inches high (559 mm wide by 762 mm high). Where the access is located in a ceiling, unobstructed headroom in the attic space above the access shall be not less than 30 inches (762 mm) along one side or more measured vertically from the bottom of ceiling framing members. See the California Mechanical Code for access requirements where mechanical equipment is located in attics.
8-46 2025 CALIFORNIA RESIDENTIAL CODE
CALIFORNIA RESIDENTIAL CODE – MATRIX ADOPTION TABLE
CHAPTER 9 – ROOF ASSEMBLIES
(Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting agency | BSC | BSC- CG |
SFM | HCD | DSA | OSHPD | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopting agency | BSC | BSC- CG |
SFM | 1 | 2 | 1/AC | AC | SS | SS/CC | 1 | 1R | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Adopt entire chapter | |||||||||||||||||||||||
| Adopt entire chapter as amended (amended sections listed below) |
X | ||||||||||||||||||||||
| Adopt only those sections that are listed below |
X | ||||||||||||||||||||||
| Chapter / Section | |||||||||||||||||||||||
| R901.1 | X | ||||||||||||||||||||||
| R902.1 - R902.4 | X | ||||||||||||||||||||||
| R903.4.1 | X | ||||||||||||||||||||||
| R904.1 - R904.4 | X | ||||||||||||||||||||||
| R905.15 | X | ||||||||||||||||||||||
| R905.16 | X | ||||||||||||||||||||||
| R907.1 | X | ||||||||||||||||||||||
| R907.2 – R907.5 | X | ||||||||||||||||||||||
| R909 | X |
The state agency does not adopt sections identified with the following symbol: †
9-2 2025 CALIFORNIA RESIDENTIAL CODE
Explained in plain English
Guides that cite this section.
Get a plain-English answer with a citation back to this text.
Ask AI about this code