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Riverside, CA Building Safety: Green Building Code (2026)

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

Key Facts

Code Edition
2025 CALGreen, Part 11 of Title 24
Governing Section
RMC § 16.07.020
Applies To
Every newly constructed building or structure
Excluded Appendices
A4, A5, and A6.1 not adopted
Enforcing Office
City Building Official
Penalty
Misdemeanor or infraction, RMC § 16.04.520

Summary

Every newly constructed building in Riverside must comply with the 2025 California Green Building Standards Code, adopted wholesale under RMC § 16.07.020. The Building Official enforces this Part 11 of Title 24 code covering planning, design, operation, use, and occupancy, with a certified copy on file for public inspection. Only Appendices A4, A5, and A6.1 are excluded from local adoption.

The California Green Building Standards Code, 2025 Edition, Part 11 of Title 24 of the California Code of Regulations, including any related errata, and any amendments thereto by the State of California in the 2025 Edition of Title 24 of the California Code of Regulations, which regulates the planning, design, operation, use and occupancy of every newly constructed building or structure is adopted and by this reference is made a part of this Code with the force and effect as though set out herein in full, with the exception of those parts expressly excepted and deleted or as amended by this chapter... The chapters, sections, paragraphs and parts of the California Green Building Standards Code which are excepted, deleted and not adopted are: 1. Appendix A4, A5 and A6.1.

Source: Riverside Municipal CodeView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 33).

Full Breakdown

04. 020 adopts, by reference, the California Green Building Standards Code, 2025 Edition, Part 11 of Title 24 of the California Code of Regulations, 'including any related errata, and any amendments thereto by the State of California,' giving the state text 'the force and effect as though set out herein in full' except where the City has expressly deleted or amended a provision. The code applies to 'every newly constructed building or structure' and governs planning, design, operation, use, and occupancy. A certified true copy of the adopted code, with the City's amendments, is kept on file and open to public inspection in the office of the Building Official, per the same section.

1 of the state CALGreen code are 'excepted, deleted and not adopted' in Riverside, so those optional appendix measures do not apply locally even though the rest of the 2025 edition does. The chapter has been amended repeatedly to keep pace with triennial state code cycles, most recently by Ordinance 7748 in 2025, tracking back through Ordinances 7612 (2022), 7492 (2019), 7357 (2016), 7237 (2013), and 7103 (2010), which first adopted the chapter. 04, and the Building Official has authority to require compliance before issuing permits for covered new-construction projects.

Violations & Fines

Riverside makes it 'unlawful for any person to erect, construct, enlarge, alter, repair, move, use, occupy or maintain any building, structure, equipment, or portion thereof' in violation of any adopted code, including the green code (RMC § 16.04.510). A violation is a misdemeanor, though the City Attorney may instead charge it as an infraction, and the Building Official and Code Enforcement Manager can issue notices to appear under Penal Code § 836.5 (RMC § 16.04.520).

Frequently Asked Questions

Does Riverside require CALGreen compliance for remodels, or only new construction?
RMC § 16.07.020 states the adopted 2025 California Green Building Standards Code 'regulates the planning, design, operation, use and occupancy of every newly constructed building or structure.' The section is written around new construction; specific alteration and addition thresholds come from the state CALGreen code itself and are enforced by the Riverside Building Official during plan check.
Are any parts of CALGreen not enforced in Riverside?
Yes. RMC § 16.07.030 expressly deletes Appendices A4, A5, and A6.1 of the California Green Building Standards Code from local adoption, so projects in Riverside are not required to meet those specific appendix measures even though the rest of the 2025 edition applies citywide.
What happens if a project doesn't meet CALGreen requirements?
Under RMC § 16.04.510, it is unlawful to construct or alter a building in violation of any adopted code, including the green code. RMC § 16.04.520 makes a violation a misdemeanor, chargeable at the City Attorney's discretion as an infraction, with the Building Official authorized to issue notices to appear.

Sources & Official References

Other rules in Riverside

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