Beekeeping: Castro Valley vs Fremont
How do beekeeping rules compare between Castro Valley, CA and Fremont, CA?
Castro Valley and Fremont 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 →Fremont, CA
Alameda County
Fremont permits residential beekeeping with hive setback and water source requirements, aligned with California Food and Agricultural Code.
View full Fremont rules →Key Facts Comparison
| Fact | Castro Valley | Fremont |
|---|---|---|
| Residential max | 2 hives small lot | - |
| Side/rear setback | 5 feet | - |
| Flyway barrier | 6 ft if within 25 ft | - |
| Registration | Ag Commissioner required | County annually |
| Water source | On-site required | - |
| Standard Setback | - | 20 feet |
| With Barrier | - | 5 feet |
| Density | - | 2 hives per 5,000 sq ft |
| Water Source | - | Required |
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.
Fremont FAQ
Do I need a permit for backyard hives?
No city permit is required in Fremont, but you must register hives annually with the Alameda County Agricultural Commissioner.
What is a flyway barrier?
A 6-foot-tall fence, hedge, or building near the hive that forces bees to fly up and over, reducing conflicts at the property line.
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