306 [DSA-Ss]—voluntary Measures — 2025 California Green Building Standards Code
California Green Building Standards Code (Title 24, Part 11) · 2025 edition · updated 2026-09-25 · California
Cite as: 2025 California Green Building Standards Code (Title 24, Part 11) § 306 · Effective January 1, 2026 · Official source: Building Standards Commission
306.1 Purpose.¶
For public schools and community colleges, voluntary measures further encourage building practices that improve public health, safety and general welfare by promoting the use of building concepts which minimize the building’s impact on the environment and promote a more sustainable design.
306.1.1 Appendix A5, Divisions A5.1 through A5.5, outline means of achieving enhanced sustainable design and construction by incorporating voluntary measures that exceed the mandatory measures.
306.1.2 Chapter 5 Nonresidential Mandatory Measures that are not adopted as mandatory measures by DSA-SS are voluntary measures recommended and encouraged for the design, construction, verification and maintenance of non-energy systems.
Note: The building commissioning requirements for energy efficiency specified in the California Energy Code are required.
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CALIFORNIA GREEN BUILDING STANDARDS CODE – MATRIX ADOPTION TABLE
CHAPTER 4 – RESIDENTIAL MANDATORY MEASURES
(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 | 1 | 1R | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Adopt entire CA chapter | X | |||||||||||||||||||||
| Adopt entire chapter as amended (amended sections listed below) |
||||||||||||||||||||||
| Adopt only those sections that are listed below |
X | |||||||||||||||||||||
| Chapter/ |
||||||||||||||||||||||
| Division 4.2 | † | X | ||||||||||||||||||||
The state agency does not adopt sections identified by the following symbol: †.
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