Chapter 8 — ALTERATIONS—LEVEL 2
809 Energy Conservation — 2025 California Existing Building Code
California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-09-25 · 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) § 809 · Effective January 1, 2026 · Official source: Building Standards Commission
809.1 Minimum requirements.¶
Level 2 alterations to existing buildings or structures shall comply with applicable provisions of the California Energy Code (Part 6, Title 24, C.C.R).
8-10 2025 CALIFORNIA EXISTING BUILDING CODE
CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE
CHAPTER 9 – ALTERATIONS—LEVEL 3
(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 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Adopt Entire Chapter | X | X | ||||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) |
X | |||||||||||||||||||||||
| Adopt only those sections that are listed below |
||||||||||||||||||||||||
| Chapter / Section | ||||||||||||||||||||||||
| 901.2 Exception | † | † | ||||||||||||||||||||||
| 902.1_Reserved_ | X | |||||||||||||||||||||||
| 902.2 – 902.2.1 | X | |||||||||||||||||||||||
| 902.2 – 902.3 | † | † | ||||||||||||||||||||||
| 903.4 | † | † | ||||||||||||||||||||||
| 904.1 | X | |||||||||||||||||||||||
| 904.2 | X | |||||||||||||||||||||||
| 904.2.1 | X | |||||||||||||||||||||||
| 908 | † | † |
The state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.
9-2 2025 CALIFORNIA EXISTING BUILDING CODE
Get a plain-English answer with a citation back to this text.
Ask AI about this code