Fire Regulations in Castro Valley, CA (2026)

2 verified fire regulations for Castro Valley, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Brush Clearance

Castro Valley's hillside neighborhoods fall in Cal Fire's Very High Fire Hazard Severity Zone. Alameda County Code Chapter 6.04 adopts the California Fire Code and Public Resources Code §4291 - 100 feet of defensible space around any structure is mandatory.

Castro Valley Defensible Space (Alameda County Fire Code)

Heavy Restrictions

Full ordinance details →Official source ↗

Smoke Detectors

California Health & Safety Code §§13113.7 and 13260 require working smoke alarms in every bedroom, outside each sleeping area, and on each floor of a Castro Valley dwelling, plus CO alarms in any home with fuel appliances or an attached garage.

Castro Valley Smoke & CO Alarm Requirements

Heavy Restrictions

Full ordinance details →Official source ↗

Looking for Alameda County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Castro Valley city rules.

Fire Regulations in Alameda County →