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Riverside, CA Building Safety: Plumbing Permits (2026)

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

Key Facts

Code Adopted
2025 California Plumbing Code, Title 24 Part 5
Adoption Section
RMC § 16.12.020
Deleted Sections
CPC §§104.3.3-107, Table 104.5 (§16.12.030)
Enforcing Office
City Building Official
Penalty
Misdemeanor or infraction, § 16.04.520

Summary

Riverside adopts the 2025 California Plumbing Code by reference under RMC § 16.12.020, covering 'the design, construction, installation, quality of materials, location, operation, equipment and maintenance of plumbing systems.' The Building Official keeps a certified copy on file, and RMC § 16.12.030 deletes several Chapter 1, Division II administrative sections including 104.3.3, 104.4.3-104.4.4, 104.5, 106, and 107.

The California Plumbing Code, 2025 Edition, Part 5 of Title 24 of the California Code of Regulations, including appendices and any related errata, and any amendments thereto by the State of California promulgated by the International Association of Plumbing and Mechanical Officials, which regulates the design, construction, installation, quality of materials, location, operation, equipment and maintenance of plumbing systems, is adopted and by this reference is made a part of this Code with the same force and effect as though set out in this chapter in full, with the exception of those parts expressly excepted, deleted or as amended by this chapter. One copy of the California Plumbing Code, which has been certified as a true copy is on file and open to public inspection in the office of the Building Official.

View 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

010). ' The adoption carries the same force and effect as if set out in the chapter in full, except where the City has deleted or amended a section. A certified true copy of the code is kept on file and open to public inspection in the office of the Building Official. 04 instead of the state's default administrative chapter. 04 alongside the substantive plumbing standards in the adopted 2025 Plumbing Code.

Violations & Fines

RMC § 16.04.510 makes it unlawful to install, alter, or maintain plumbing work 'contrary to or in violation of' the adopted plumbing code. RMC § 16.04.520 classifies a violation as a misdemeanor, chargeable as an infraction at the City Attorney's discretion, with the Building Official and Code Enforcement Manager empowered to issue notices to appear under Penal Code § 836.5, and each day a violation continues counts as a separate offense.

Frequently Asked Questions

What plumbing code applies in Riverside?
RMC § 16.12.020 adopts the California Plumbing Code, 2025 Edition, Part 5 of Title 24 of the California Code of Regulations, which regulates 'the design, construction, installation, quality of materials, location, operation, equipment and maintenance of plumbing systems' throughout the City, subject to local deletions in § 16.12.030.
Does Riverside use the state Plumbing Code's own permit and appeal procedures?
No. RMC § 16.12.030 deletes Chapter 1, Division II Sections 104.3.3, 104.4.3, 104.4.4, 104.5, 106, 107, and Table 104.5 of the state Plumbing Code from local adoption, so permit, fee, and appeal procedures instead follow Riverside's own administrative rules in Chapter 16.04.
Where is the certified copy of Riverside's plumbing code amendments kept?
RMC § 16.12.020 states that a certified true copy of the California Plumbing Code, with the City's amendments, 'is on file and open to public inspection in the office of the Building Official,' letting contractors and homeowners review the exact adopted text.

Sources & Official References

Other rules in Riverside

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