Skip to main content
CityRuleLookup
🏊 Swimming Pools & Spas/Safety Rules

Safety Rules: Castro Valley vs Hayward

How do safety rules rules compare between Castro Valley, CA and Hayward, CA?

Castro Valley and Hayward have similar restriction levels.

Castro Valley, CA

Alameda County

Heavy Restrictions

Unincorporated Alameda County applies California's Swimming Pool Safety Act (HSC 115920-115929) through Title 15 Chapter 15.08, which adopts the California Building and Residential Codes (2022 CRC Appendix AX). New or remodeled residential pools must have at least two of seven approved drowning-prevention features; any isolation barrier must be at least 60 inches tall.

View full Castro Valley rules β†’

Hayward, CA

Alameda County

Heavy Restrictions

Hayward pool owners must maintain safety barriers, anti-entrapment drain covers, proper chemical balance, and comply with the California Pool Safety Act for drowning prevention.

View full Hayward rules β†’

Key Facts Comparison

FactCastro ValleyHayward
State AuthorityCal. Health & Safety Code 115920-115929-
County AdoptionTitle 15 Chapter 15.08 (CBC/CRC + Appendix AX)-
Required FeaturesAt least 2 of 7 approved (HSC 115922)-
Min Barrier Height60 inches (HSC 115923)-
Gate Latch Heightβ‰₯60 inches above ground-
Ground Clearance≀2 inches under barrier-
Gap RuleNo 4-inch sphere passage-
InspectorAlameda County Public Works Building Inspection-
Drain covers-ANSI APSP-16 compliant
Chlorine level-1 to 3 ppm
pH range-7.2 to 7.8
Sale disclosure-Two safety features
Commercial rules-Certified operator

Highlighted rows indicate differences between cities.

Castro Valley FAQ

What pool safety law applies in unincorporated Alameda County?

California Health and Safety Code Sections 115920-115929 (the Swimming Pool Safety Act) apply directly, and Title 15 Chapter 15.08 of the Alameda County Code adopts the California Building Code and California Residential Code (including Appendix AX of the 2022 CRC) that implement those state requirements at the county building-permit level.

What are the fence requirements for a new residential pool?

Health and Safety Code Section 115923 sets the barrier standard: at least 60 inches tall, no more than 2 inches of clearance under the bottom, no openings that a 4-inch sphere can pass through, no surface that gives a young child a foothold, and a gate that opens away from the pool with a self-closing self-latching device whose latch is at least 60 inches above the ground.

Do I need a permit to add a pool in unincorporated Alameda County?

Yes. The Alameda County Public Works Agency Building Inspection Division issues building permits for new and remodeled residential pools and spas under Title 15. The inspector verifies that the pool has at least two of the seven drowning prevention features required by Health and Safety Code Section 115922 before final approval, as required by Section 115924.

Hayward FAQ

Do I need to disclose my Hayward pool when selling?

Yes. State law requires sellers to disclose which of the seven pool safety features are present.

Are Hayward residential pools health-inspected?

Private residential pools are not routinely inspected, but public and commercial pools are.

Compare other topics

See how Castro Valley and Hayward compare on other ordinance categories.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool