Petaluma, CA Building Safety: Green Building Code (2026)
Key Facts
- Code adopted
- 2025 California Green Building Standards Code
- Adoption section
- PMC § 17.04.010(K)
- Local deletion
- Appendix A4 & A5, Division .2 Energy Efficiency
- Amending section
- PMC § 17.04.020
- Mandatory CALGreen measures
- Unchanged, still apply citywide
Summary
Petaluma adopts the 2025 California Green Building Standards Code (CALGreen) by reference for every building permit, including its Tier 1 voluntary residential and nonresidential measures, but the city has locally deleted the energy-efficiency divisions of those voluntary tiers.
K. Part 11—2025 California Green Building Standards Code including Appendix A4 at Tier 1 level requirements (Residential Voluntary Measures) and Appendix A5 at Tier 1 level requirements (Nonresidential Voluntary Measures); ... Part 11 of the 2025 California Building Standards Code, California Green Building Standards Code, as adopted in Section 17.04.010, is hereby amended to include the following additions, amendments, and deletions: Green Building Standards Code Appendix A4, Division A4.2, Energy Efficiency, is deleted. Appendix A5, Division A5.2, Energy Efficiency, is deleted.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 2931 NCS, passed July 6, 2026).
Full Breakdown
010(K) adopts "Part 11-2025 California Green Building Standards Code including Appendix A4 at Tier 1 level requirements (Residential Voluntary Measures) and Appendix A5 at Tier 1 level requirements (Nonresidential Voluntary Measures)" as part of the codes the city applies to construction. 09 already cover that ground more stringently. All of the mandatory CALGreen provisions, covering site planning, water efficiency, material conservation and indoor air quality for every new building, remain in force unchanged; only the specific voluntary Tier 1 energy-efficiency divisions were removed. Builders seeking CALGreen Tier 1 or Tier 2 voluntary compliance points in Petaluma should confirm with the building division which voluntary measures still count locally, since the energy-efficiency division of the standard statewide checklist does not apply here.
Violations & Fines
Because the Green Building Standards Code is folded into the codes adopted under Chapter 17.04, noncompliance with its mandatory provisions is enforced the same as any other building-code violation: a stop-work order with an investigation fee of one to five times the permit fee, and a misdemeanor penalty of up to $1,000 and/or six months in jail per Section 17.04.030, with each day a separate offense.
Frequently Asked Questions
Does Petaluma follow the state's Green Building Code?
What did Petaluma change in the state Green Building Code?
Why would Petaluma remove the CALGreen energy-efficiency voluntary tier?
Sources & Official References
Other rules in Petaluma
California rules heatmap·Compare Petaluma to another location·View the California building safety overview
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