Livestock: Castro Valley vs Hayward
How do livestock rules compare between Castro Valley, CA and Hayward, CA?
Castro Valley has fewer restrictions than Hayward.
Castro Valley, CA
Alameda County
Cattle, horses, goats, sheep, and swine are permitted on Alameda County Agricultural (A) and Rural Agricultural (RA) zoned parcels with minimum acreage requirements. Livestock are generally prohibited on R-1 lots.
View full Castro Valley rules →Hayward, CA
Alameda County
Livestock are prohibited in standard Hayward residential zones. Legacy large-lot and Agricultural (A) parcels in the foothills may keep limited livestock with setback and sanitation rules.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| Required zoning | A, AR, or RA | - |
| Horse minimum | 20,000 sf + 10,000 | - |
| Swine setback | 100 ft from dwelling | - |
| Right to Farm | Civil Code 3482.5 | - |
| Feedlot | Extra permits | - |
| Residential Zones | - | Prohibited |
| A Zoning | - | Permitted with conditions |
| Horse Lot Size | - | 20,000+ sq ft typical |
| Stable Setback | - | 40 to 75 ft from dwellings |
| Pot-Belly Pigs | - | Generally prohibited |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can I keep a single pet goat in my R-1 backyard?
Generally no. Goats require agricultural zoning. Some miniature goat exceptions exist under conditional use permits with neighbor consent.
Does Right to Farm block all complaints?
No. It protects compliant farms that existed before the complainant moved in. Violations of law or new operations are not protected.
Hayward FAQ
Can I keep a miniature horse or pony?
No, in residential zones; all equines require agricultural or legacy large-lot zoning regardless of size.
Are pot-bellied pigs allowed as pets?
Hayward does not specifically exempt pot-bellied pigs; they are treated as livestock and generally prohibited in residential zones.
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