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Placer County, CA Building Safety: Green Building Code (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Code adopted
2025 CALGreen Code, Title 24 Part 11
Citation
Placer County Code § 15.04.660
Geographic scope
Unincorporated Placer County only
Enforced by
Building services division / chief building official
Adoption authority
Gov. Code § 50022.2; H&S Code § 18941.5
Appeal deadline
30 days to building board of appeals
Adopting ordinance
Ord. 6345-B, effective Nov. 18, 2025

Summary

Placer County adopts the 2025 CALGreen Code, Title 24 Part 11 of the California Code of Regulations, by reference for every new building permit issued in the unincorporated county under Placer County Code § 15.04.660. The building services division enforces it as part of the full Title 24 package administered under Article 15.04, from valley-floor subdivisions to Tahoe Basin cabins.

City-specific rules exist: Roseville has its own green building code rules that differ from Placer County's county-level regulations. If you live in Roseville, check the city-specific page instead.

§ 15.04.020. Purpose and authority. The purpose of this article is to adopt by reference the 2025 Edition of the California Building Standards Code, Title 24 of the California Code of Regulations, subject to the definitions, clarifications, and the amendments set forth in this article... The ordinance codified in this article is adopted under the authority of Government Code Section 50022.2 and Health and Safety Code Section 18941.5. ... § 15.04.660. CALGreen Code adopted. The California Green Building Standards Code, 2025 Edition (California Code of Regulations Title 24, Part 11), is hereby adopted.

Full Breakdown

010 limits the article, and CALGreen with it, to 'all the unincorporated areas within Placer County' and to 'all new construction, alterations, repairs, relocations, or reconstruction of any building or structure'; Roseville, Rocklin and Lincoln are incorporated cities that adopt Title 24 on their own and are not covered by this chapter. 5, adopting Title 24 'subject to the definitions, clarifications, and the amendments set forth in this article,' meaning the county took the 2025 state edition as printed rather than writing a separate local tier system.

660' when transporting C&D debris. CALGreen mandatory measures (water efficiency, waste diversion, energy design) are checked by the chief building official at plan check and inspection under the same permitting structure as the rest of Title 24; there is no separate CALGreen-only permit or fee schedule.

Violations & Fines

A violation of any adopted Title 24 provision, including CALGreen, is a misdemeanor under Placer County Code § 15.04.140, though a first offense may be cited as an infraction under § 1.24.010. Each day a violation continues is a separate offense, punishable by up to six months in county jail, a fine up to the maximum state law allows, or both. Willful violations also carry a civil penalty up to $500 per day under § 1.24.010(C), capped at $100,000 per violation and $250,000 total; uncorrected violations may be recorded against the property.

Frequently Asked Questions

Does Placer County have its own version of CALGreen?
No. Placer County Code § 15.04.660 adopts the 2025 CALGreen Code, Title 24 Part 11, exactly as the state wrote it, with no added local tiers. The county did add administrative amendments to the surrounding Title 24 package under Article 15.04, covering permits, fees and appeals, but the green building standards themselves are the state's mandatory measures.
Do Roseville, Rocklin or Lincoln follow this county CALGreen adoption?
No. Section 15.04.010 limits Article 15.04, and CALGreen with it, to the unincorporated areas of Placer County. Roseville, Rocklin and Lincoln are incorporated cities with their own building departments and their own CALGreen adoption ordinances, so a homeowner inside city limits must check that city's code instead.
Does CALGreen require EV-ready parking on new Placer County projects?
Yes, indirectly. The county zoning code defines a 'clean air/vanpool/electric vehicle-dedicated space' by pointing to CALGreen Sections A5.106.5.1.1 and A5.106.5.1.2 of Title 24, Part 11, so nonresidential and multifamily projects sized to trigger those CALGreen tables must provide the designated spaces the state code specifies, enforced at plan check.
What happens if a project fails a CALGreen inspection item?
The chief building official can withhold approval or a certificate of occupancy until the item is corrected. Beyond that, § 15.04.140 makes noncompliance a misdemeanor (infraction on a first offense), each day a separate violation, and the county may record a notice of violation against the property if the owner does not correct it after written notice.

Sources & Official References

Other rules in Placer County

All Placer County rules

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