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Earlier editions: 20222019

Chapter 3 — GREEN BUILDING

305 [OSHPD 1]— CALGreen TIER 1 AND CALGreen TIER 2 — 2025 California Green Building Standards Code

California Green Building Standards Code (Title 24, Part 11) · 2025 edition · updated 2026-09-25 · California

CBSC: official editions, supplements and errata

Cite as: 2025 California Green Building Standards Code (Title 24, Part 11) § 305 · Effective January 1, 2026 · Official source: Building Standards Commission

305.1 CALGreen Tier 1 and CALGreen Tier 2

buildings contain voluntary green building measures necessary to meet the threshold of each level.

305.1.1 CALGreen Tier 1. To achieve CALGreen Tier 1, buildings must comply with the latest edition of “Savings By Design, Healthcare Modeling Procedures” found online at http://www.energysoft.com/main/page_ downloads_ sbd_healthcare.html.

305.1.2 CALGreen Tier 2. To achieve CALGreen Tier 2, buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by a minimum of 15 percent.

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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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