Rohnert Park, CA Building Safety: Plumbing Permits (2026)
Key Facts
- Adopted code
- 2025 CPC, incorporating 2024 UPC
- Underground water lines
- Non-metallic required (PVC, PE, PEX)
- Metal pipe
- Allowed only with approved protection
- Appendices adopted
- A, B, D and I
- Permit intake
- Building Official, § 15.04.030
Summary
Rohnert Park adopts the 2025 California Plumbing Code, based on the 2024 Uniform Plumbing Code, under Section 15.20.010, and requires all underground water service lines to be non-metallic (PVC, polyethylene or PEX) unless the building official approves protected metal. Plumbing permits follow the same intake, fee and appeal process as other building permits.
The 2025 Edition of the California Building Standards Code, known as the California Code of Regulations, Title 24, Part 5, incorporating the "Uniform Plumbing Code," 2024 Edition, published by the International Association of Plumbing and Mechanical Officials, one copy of which has been filed for use and examination by the public in the office of the building official, is adopted by reference, subject to the following additions and amendments to certain sections thereof which shall read and provide as set forth in this chapter. ... All underground service supply lines shall be of non-metallic material consisting of either polyethylene, minimum class 160, Poly Vinyl Chloride (PVC), minimum schedule 40, PEX or PEX-AL-PEX. Metallic materials may be used when suitable protection, approved by the building official, is provided.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 51 Update 2).
Full Breakdown
010 adopts the 2025 California Plumbing Code, Title 24, Part 5, incorporating the 2024 Uniform Plumbing Code published by the International Association of Plumbing and Mechanical Officials, with a copy on file in the building official's office for public review. The city adds two local amendments. 1 both require that all underground water service supply lines be non-metallic, either polyethylene rated minimum Class 160, PVC rated minimum schedule 40, PEX, or PEX-AL-PEX; metallic pipe may still be used if the building official approves suitable corrosion protection.
020 folds four Uniform Plumbing Code appendices into the adopted body of the code: Appendix A, sizing the water supply system; Appendix B, combination waste and vent systems; Appendix D, sizing storm drainage systems; and Appendix I, installation standards, applying them to every structure in the city. 04.
Violations & Fines
Installing plumbing that violates the adopted code, or doing plumbing work without a required permit, is a misdemeanor under Section 15.04.060, carrying a fine up to $1,000 and up to six months in jail unless charged as an infraction at the citing officer's discretion. Every day the violation continues is a separate offense, and completed unpermitted work still owes plan review and inspection fees.
Frequently Asked Questions
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Sources & Official References
Other rules in Rohnert Park
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