Zoning Restrictions: Castro Valley vs Livermore
How do zoning restrictions rules compare between Castro Valley, CA and Livermore, CA?
Castro Valley and Livermore have similar restriction levels.
Castro Valley, CA
Alameda County
Unincorporated Alameda County allows home occupations in residential zones as accessory uses, subject to the county zoning ordinance limits on scale, appearance, and off-site impacts under Title 17.
View full Castro Valley rules →Livermore, CA
Alameda County
Livermore home occupations require a home occupation permit and business license. Must be clearly incidental to residential use with no external impacts.
View full Livermore rules →Key Facts Comparison
| Fact | Castro Valley | Livermore |
|---|---|---|
| Governing code | Alameda County General Ordinance Code Title 17 (Zoning) | - |
| Allowed zones | Residential zones as accessory use | - |
| Character test | Must remain incidental to residence | - |
| Exterior changes | No visible alteration permitted | - |
| Jurisdiction | Unincorporated areas only | - |
| Permit | - | Home Occupation + business license |
| Employees | - | Residents only on-site |
| Signs | - | Prohibited |
| Prohibited | - | Auto repair, kennels |
| Cottage Food | - | AB 1616/1240 separate |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Does this apply inside incorporated cities?
No. Each city (Oakland, Hayward, Fremont, etc.) has its own zoning code. County rules apply only to unincorporated Alameda County.
Can I run a business from a detached garage or ADU?
Only if the accessory structure is permitted and the use complies with all home occupation standards in Title 17.
Livermore FAQ
Do I need a permit to work from home as a consultant in Livermore?
Yes, a home occupation permit and business license are required even for online/consulting businesses with no customer traffic.
Can my Livermore home business have employees come to my house?
No. Only residents of the dwelling may work on-site. Employees must work remotely or at another location.
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