Pool Permits: Mountain View vs San Jose
How do pool permits rules compare between Mountain View, CA and San Jose, CA?
Mountain View and San Jose have similar restriction levels.
Mountain View, CA
Santa Clara County
Mountain View requires building, plumbing, and electrical permits to construct or install any in-ground or above-ground swimming pool deeper than 18 inches under the California Building Code.
View full Mountain View rules →San Jose, CA
Santa Clara County
In unincorporated Santa Clara County, a building permit from the Department of Planning and Development is required to construct a residential pool or spa. The County Code includes a dedicated swimming pool division (Division B18), and pools are also regulated as accessory uses under the Zoning Ordinance.
View full San Jose rules →Key Facts Comparison
| Fact | Mountain View | San Jose |
|---|---|---|
| Permit threshold | Deeper than 18 inches | - |
| Permits needed | Building, plumbing, electrical | - |
| Barrier law | H&S 115920 applies | - |
| Inspections | Rough-in and final | - |
| Unpermitted work | Stop-work order possible | - |
| Permit | - | County building permit (Planning & Development) |
| County pool code | - | Ordinance Code Division B18, Swimming Pools |
| Pool/spa setback | - | 5 ft from property line (Zoning Ord. 4.20.J) |
| Safety features attach | - | At building-permit issuance (HSC 115922) |
| Public pools | - | Permitted by Dept. of Environmental Health |
Highlighted rows indicate differences between cities.
Mountain View FAQ
Do I need a Mountain View permit for a small inflatable pool?
Portable pools under 18 inches deep typically do not require a permit, but deeper inflatables and any permanent installation do.
What if I already built a pool without a permit?
Contact the Building Division to pursue retroactive permitting. Expect inspections and possible corrective work.
San Jose FAQ
Do I need a permit to build a pool in unincorporated Santa Clara County?
Yes. A building permit from the County Department of Planning and Development is required to construct a residential pool or spa. The County Ordinance Code includes Division B18 (Swimming Pools), and pools must also meet the Zoning Ordinance's five-foot setback rule (Section 4.20.J).
Who regulates public versus private pools in the County?
Private residential pools are permitted by the Department of Planning and Development under the County's building code. Public pools and spas are permitted, plan-checked, and inspected separately by the County Department of Environmental Health.
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