Plumbing Permits: Martinez vs Oakley
How do plumbing permits rules compare between Martinez, CA and Oakley, CA?
Martinez and Oakley have similar restriction levels.
Martinez, CA
Contra Costa County
Plumbing permits are required in unincorporated Contra Costa County for new installations, alterations, water heater replacements, and sewer lateral work under the California Plumbing Code adopted in Title 7 of the County Ordinance Code. Permits are issued by the DCD Building Inspection Division.
View full Martinez rules →Oakley, CA
Contra Costa County
Plumbing permits are required in unincorporated Contra Costa County for new installations, alterations, water heater replacements, and sewer lateral work under the California Plumbing Code adopted in Title 7 of the County Ordinance Code. Permits are issued by the DCD Building Inspection Division.
View full Oakley rules →Key Facts Comparison
| Fact | Martinez | Oakley |
|---|---|---|
| Governing code | 2022 CPC + Ord. Code Title 7 Div. 72 | 2022 CPC + Ord. Code Title 7 Div. 72 |
| Water heater | Permit required for all replacements; seismic strapping mandatory | Permit required for all replacements; seismic strapping mandatory |
| Sewer lateral | District compliance (CCCSD, WCWD) required at property transfer | District compliance (CCCSD, WCWD) required at property transfer |
| Contractor license | CSLB C-36 plumbing license | CSLB C-36 plumbing license |
| Exempt work | Like-for-like faucet/fixture swaps | Like-for-like faucet/fixture swaps |
Highlighted rows indicate differences between cities.
Martinez FAQ
Do I need a permit to replace my water heater?
Yes. All water heater replacements in unincorporated CCC require a plumbing permit, seismic strapping per CPC 507.2, and inspection. DIY installation by the homeowner is allowed with owner-builder authorization.
Is a sewer lateral inspection required when I sell my house?
If your property is within CCCSD or another participating sanitary district, yes. The district requires a private sewer lateral compliance certificate at transfer, issued after testing and any necessary repairs.
Oakley FAQ
Do I need a permit to replace my water heater?
Yes. All water heater replacements in unincorporated CCC require a plumbing permit, seismic strapping per CPC 507.2, and inspection. DIY installation by the homeowner is allowed with owner-builder authorization.
Is a sewer lateral inspection required when I sell my house?
If your property is within CCCSD or another participating sanitary district, yes. The district requires a private sewer lateral compliance certificate at transfer, issued after testing and any necessary repairs.
Compare other topics
See how Martinez and Oakley compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool