Beekeeping: Castro Valley vs Hayward
How do beekeeping rules compare between Castro Valley, CA and Hayward, CA?
Castro Valley and Hayward have similar restriction levels.
Castro Valley, CA
Alameda County
Beekeeping is permitted in most Alameda County zones with setback and hive-count limits. Keepers must register with the County Agricultural Commissioner under CA Food and Agricultural Code 29040.
View full Castro Valley rules →Hayward, CA
Alameda County
Residential beekeeping is allowed in Hayward with hive setbacks of 10 to 20 feet and flyway barriers. Beekeepers must register with the Alameda County Ag Commissioner.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| Residential max | 2 hives small lot | - |
| Side/rear setback | 5 feet | - |
| Flyway barrier | 6 ft if within 25 ft | - |
| Registration | Ag Commissioner required | - |
| Water source | On-site required | - |
| Allowed | - | Yes, residential zones |
| Hive Setback | - | 10 to 20 ft typical |
| Flyway Barrier | - | 6 ft if within 25 ft of PL |
| State Registration | - | Alameda County Ag Commissioner |
| Max Hives (Small Lot) | - | 2 typical |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I need a permit to keep bees?
No permit, but annual registration with the County Agricultural Commissioner is required under state law. Zoning compliance is also required.
Can neighbors object to my hives?
Yes. If bees create a documented nuisance (swarms, stings, water on neighbor property), code enforcement or the Ag Commissioner can require relocation or reduction.
Hayward FAQ
Do I need a city permit for beehives?
No city permit is typically required, but hives must meet setback and barrier rules and be registered with Alameda County.
What if my neighbor is allergic?
Flyway barriers directing bees upward can reduce contact; mediation or code enforcement may address documented safety concerns.
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