Signage Rules: Mountain View vs San Jose
How do signage rules 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
Home Occupations in Mountain View may not display exterior business signage. The residence must retain its residential appearance from the street.
View full Mountain View rules →San Jose, CA
Santa Clara County
Santa Clara County prohibits exterior signs, window displays, and any visible indication of a home-based business. Home occupations must preserve the residential appearance of the property.
View full San Jose rules →Key Facts Comparison
| Fact | Mountain View | San Jose |
|---|---|---|
| Exterior sign | Not allowed | - |
| Window sign | Not allowed | - |
| Yard sign | Not allowed | - |
| Appearance | Must look residential | - |
| Penalty | Permit loss and fines | - |
| Exterior Signs | - | Prohibited |
| Window Displays | - | Prohibited |
| Commercial Vehicles | - | Restricted |
| Off-Site Ads | - | Allowed |
| Fines | - | 100-500 dollars per day |
Highlighted rows indicate differences between cities.
Mountain View FAQ
Can I put my logo on my mailbox?
No. Home Occupations may not display any business identification on the exterior of the residence including mailboxes, doors, or windows.
What about a magnetic sign on my work truck?
Magnetic signs are typically allowed while driving, but parked commercial vehicles and display intent on residential streets can draw code enforcement attention.
San Jose FAQ
Can I put a small sign on my house advertising my home business?
No. Santa Clara County home occupation rules prohibit any exterior business signage in residential zones, regardless of size.
Can I park a company van with my logo in the driveway?
Short-term parking is generally fine, but long-term display of commercial vehicles used primarily as advertising may be treated as prohibited signage in residential zones.
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