Fencing Requirements: Castro Valley vs San Leandro
How do fencing requirements rules compare between Castro Valley, CA and San Leandro, CA?
Castro Valley and San Leandro have similar restriction levels.
Castro Valley, CA
Alameda County
Unincorporated Alameda County enforces the California Swimming Pool Safety Act (Health & Safety Code §§115920-115929). Pools deeper than 18 inches require an enclosure at least 60 inches high, with gates that self-close and self-latch at 60+ inches above grade. New or remodeled pools must have at least two of seven approved drowning prevention features.
View full Castro Valley rules →San Leandro, CA
Alameda County
Pool barriers in San Leandro must be at least 60 inches (5 feet) tall with self-closing, self-latching gates per California Health and Safety Code 115923.
View full San Leandro rules →Key Facts Comparison
| Fact | Castro Valley | San Leandro |
|---|---|---|
| Barrier Height | 60 inches minimum (HSC §115923) | - |
| Bottom Clearance | Max 2 inches above ground | - |
| Gap Rule | No openings passing a 4-inch sphere | - |
| Latch Height | 60+ inches above ground | 54 inches min |
| Required Features | 2 of 7 per HSC §115922 | - |
| Local Adoption | Alameda County Code Ch. 15.08 (CBC §3109) | - |
| Height | - | 60 inches (5 feet) min |
| Gate | - | Self-closing, self-latching |
| Gap | - | 2 inches max from grade |
| Code | - | HSC 115923 |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I need a permit to install a pool fence in unincorporated Alameda County?
Yes. Pool construction, remodels, and barrier installations require a building permit through Alameda County Building Inspection. Inspectors verify the 60-inch barrier and the two required drowning prevention features under HSC §115922 before final approval.
Does state law override Alameda County's pool fence rules?
Yes. The California Swimming Pool Safety Act (HSC §§115920-115929) and California Building Code §3109 apply countywide. Alameda County adopts the CBC under Chapter 15.08 and does not relax the 60-inch minimum or the two-feature requirement.
San Leandro FAQ
Can I use my home exterior wall as part of the pool barrier?
Yes, but doors leading to the pool must have alarms or self-closing hardware to meet HSC 115922 safety feature requirements.
Do temporary pools need a fence?
Any pool capable of holding water over 18 inches deep generally requires full barrier compliance under state law.
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