Renovation Permits: Mountain View vs San Jose
How do renovation 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
Renovation work involving structural changes, electrical, plumbing, or mechanical modifications requires a building permit in Santa Clara County. Cosmetic work does not. ADU conversions follow streamlined state permitting requirements.
View full Mountain View rules →San Jose, CA
Santa Clara County
San Jose requires building permits for renovations involving structural changes, electrical, plumbing, or mechanical work. Cosmetic work (painting, flooring, cabinets) is exempt. Permit fees are typically 6-9% of total construction cost. Review times average 10-40+ weeks.
View full San Jose rules →Key Facts Comparison
| Fact | Mountain View | San Jose |
|---|---|---|
| Permit Required | Structural, electrical, plumbing, HVAC | - |
| No Permit | Paint, flooring, cabinets | - |
| ADU | Streamlined state process | - |
| Review Time | 2-4 weeks typical | 10-40+ weeks |
| Structural Changes | - | Permit required |
| Cosmetic Only | - | No permit needed |
| Permit Fees | - | 6-9% of construction cost |
Highlighted rows indicate differences between cities.
Mountain View FAQ
What renovations require a permit in Santa Clara County?
Structural changes, electrical, plumbing, HVAC, window/door modifications, and additions all require permits. Painting, flooring, and cabinets do not.
Do I need a permit to build an ADU?
Yes, but California law streamlines ADU permitting. Counties must process ADU applications within 60 days. Many ADU types have reduced fees.
San Jose FAQ
Do I need a permit for a bathroom remodel in San Jose?
Yes, in most cases. Bathroom remodels typically involve plumbing and electrical changes that require permits. Cosmetic-only changes (new vanity, tile) may be exempt.
How much do renovation permits cost in San Jose?
Permit fees in San Jose are typically 6-9% of the total construction cost, including plan review fees and inspection fees.
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