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Dublin, CA Building Safety: Plumbing Permits (2026)

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

Key Facts

Adopted code
2025 CPC / 2024 UPC
Repair exemption
Clearing leaks w/o replacing pipes
Well/septic approval
Health Officer sign-off required
Permit processing fee
40% of total permit fee
Permit expiration
1 yr under $1M, 2 yrs over

Summary

Dublin Municipal Code Section 7.40.030 adopts the 2025 California Plumbing Code and 2024 Uniform Plumbing Code, and Chapter 7.28 requires a Building Official permit before nearly any plumbing installation, alteration or repair in the city of Dublin, Alameda County.

The 2025 California Plumbing Code, Part 5, Title 24 of the California Code of Regulations, a portion of the California Building Standards Code, as defined in the California Health and Safety Code Section 18901 et seq. (hereinafter referred to as the "state code"), and any rules and regulations promulgated pursuant thereto including the Uniform Plumbing Code, 2024 Edition, including Appendix Chapters A, B, D, H, and I, as published by the International Association of Plumbing and Mechanical Officials, and as referenced in and adopted pursuant to California Health and Safety Code Sections 17922 and 18935 (hereinafter referred to as the "UPC"), are hereby adopted and incorporated by reference herein.

View official code

Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 2-26, passed March 3, 2026).

Full Breakdown

030(A) adopts the 2025 California Plumbing Code, Part 5 of Title 24 of the California Code of Regulations, together with the Uniform Plumbing Code, 2024 Edition, including Appendix Chapters A, B, D, H and I, as published by the International Association of Plumbing and Mechanical Officials, referenced pursuant to California Health and Safety Code Sections 17922 and 18935. Copies are on file with the Building Official at 100 Civic Plaza. 310(A). That list exempts only clearing a stoppage or repairing a leak in pipes, valves, fittings or fixtures when the repair does not involve replacing or rearranging them; replacing or rearranging piping needs a permit.

300(C) requires a separate permit or approval from the Health Officer, and any required Zone 7 Water Agency approvals, before the Building Official issues a building permit. 470). 460(C).

Violations & Fines

Plumbing work done without the required Chapter 7.28 permit violates Dublin Municipal Code Section 7.28.230, is prosecuted under Section 1.04.030, and is a public nuisance abatable under Chapter 7.52 (Section 7.28.270). Section 7.28.460(C) also imposes an automatic penalty fee for work started before permit issuance: the permit fee again for a first violation within two years, double for a second, and ten times the fee for a third or later violation.

Frequently Asked Questions

Do I need a permit to fix a leaking pipe in Dublin, CA?
No, if the repair only clears a stoppage or fixes a leak without replacing or rearranging pipes, valves, fittings or fixtures, Section 7.28.310(A)(23) exempts it from the Chapter 7.28 permit requirement. Replacing or rearranging any of those components, however, requires a permit from the Building Official first.
What plumbing code applies in Dublin, California?
Dublin Municipal Code Section 7.40.030 adopts the 2025 California Plumbing Code, Part 5 of Title 24, along with the 2024 Uniform Plumbing Code and its Appendix Chapters A, B, D, H and I, as published by the International Association of Plumbing and Mechanical Officials. Copies are on file with the Building Official.
Do private wells or septic systems need extra approval in Dublin?
Yes. Section 7.28.300(C) requires a separate permit or approval from the Health Officer for private water supply and private sewage disposal systems, plus any required Zone 7 Water Agency approvals, before the Building Official will issue the building permit.
What is the penalty for unpermitted plumbing work in Dublin?
Section 7.28.460(C) adds a penalty fee on top of the normal permit fee when work starts before the permit issues: the full fee again for a first violation within two years, double for a second, and ten times the fee for a third or subsequent violation.

Sources & Official References

Other rules in Dublin

All Dublin rules

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