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Earlier editions: 20222019

Appendix A5

A5.104 Site Preservation — 2025 California Green Building Standards Code

California Green Building Standards Code (Title 24, Part 11) · 2025 edition · updated 2026-10-19 · California

CBSC: official editions, supplements and errata

Cite as: 2025 California Green Building Standards Code (Title 24, Part 11) § A5.104 · Effective January 1, 2026 · Official source: Building Standards Commission

A5.104.1 Reduce development footprint and optimize open space. Optimize open space on the project site in accordance with Sections A5.104.1.1, A5.104.1.2 or A5.104.1.3.

A5.104.1.1 Local zoning requirement in place. Exceed the zoning’s open space requirement for vegetated open space on the site by 25 percent.

A5.104.1.2 No local zoning requirement in place. Provide vegetated open space area adjacent to the building equal to the building footprint area.

A5.104.1.3 No open space required in zoning ordinance. Provide vegetated open space equal to 20 percent of the total project site

area.

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▸Contents — California Green Building Standards Code (Title 24, Part 11)
California Green Building Standards Code (Title 24, Part 11)

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