Title 15 — BUILDING REGULATIONS1
Larkspur Municipal Code Ch. 15.17 California Green Building Standards Code
Larkspur Municipal Code · 2026-09 edition · updated 2026-10-02 · Larkspur
Cite as: Larkspur Municipal Code Chapter 15.17 · Text as of 2026-10-02
15.17.010 California Green Building Standards Code Adopted by Reference.¶
The 2025 Edition of the California Green Building Standards Code, known as the California Code of Regulations, Title 24, Part 11, including Appendix Chapter A4 (Residential Voluntary Measures) at Tier 1 levels for new construction only and excluding Division A4.2 Energy Efficiency, and Appendix Chapter A5 (Nonresidential Voluntary Measures) at Tier 1 levels for new construction only and excluding Division A5.2 Energy Efficiency, one copy of which has been filed for use and examination by the public in City Hall, is adopted by reference and as amended herein. (Ord. 1096 § 13, 2026; Ord. 1089 § 2, 2025)
15.17.020 Amendments to the California Green Building Standards Code.¶
Based upon the findings of the City Council regarding local climatic, topographical, and geological conditions, the 2025 California Green Building Standards Code is amended or modified as follows:
A. Section 202, the definition of “newly constructed (or new construction)” is amended as follows:
Newly Constructed (or New Construction). A newly constructed building (or new construction) shall include additions, alterations or repairs where more than 50% of all existing walls of an existing structure, measured in lineal feet, are demolished or deconstructed or where there are additions exceeding 50% of the existing floor area, or any combination of the two cumulatively exceeding 50%.
(Ord. 1089 § 2, 2025)
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