Plumbing Permits: Brentwood vs Concord
How do plumbing permits rules compare between Brentwood, CA and Concord, CA?
Brentwood and Concord have similar restriction levels.
Brentwood, CA
Contra Costa County
Brentwood requires plumbing permits for water heater replacements, repipes, sewer lateral work, gas line modifications, and most fixture relocations under the 2022 California Plumbing Code as adopted by the city. Like-for-like fixture swaps (faucets, toilets at the same location) generally do not require a permit, but water heaters always do.
View full Brentwood rules →Concord, CA
Contra Costa County
Concord has adopted the 2022 California Plumbing Code in CMC Title 18. Permits are required for water heater replacements, repipes, sewer laterals, backflow devices, and fixture additions. The City participates in the Central Contra Costa Sanitary District (Central San) for sewer lateral standards.
View full Concord rules →Key Facts Comparison
| Fact | Brentwood | Concord |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Concord FAQ
Do I need a permit to replace my water heater in Concord?
Yes. Even a like-for-like replacement requires a plumbing permit so the Building Division can verify seismic strapping, T&P relief, venting, and combustion air.
Who handles sewer lateral issues in Concord?
Central Contra Costa Sanitary District (Central San) regulates private sewer laterals. Concord issues the plumbing permit, but Central San sets lateral specifications.
Can a homeowner do their own plumbing in Concord?
Yes, owner-occupants of a single-family home may pull an owner-builder permit and perform their own work, subject to all required inspections.
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