CA · County

Alameda County, CA.

Alameda is in CA (IECC zone 3B, design wind 85 mph).

Coverage in progress WUI

Adopted edition

CRC 2022

Local amendments override state floor.

Design wind speed

85 mph

ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.

Climate zone (IECC)

3B

Drives R-value, fenestration U-factor, and air-leakage envelope rules.

Special zones

HVHZ
WBDR
WUI
FEMA SFHA possible

Permit office

Alameda County — acgov.org

www.acgov.org/pwa/building

Common amendments + overlays

What's specific to this county.

§01 WUI overlay — fire-resistant exterior + defensible space requirements.
§02 County has local amendments to the state floor — consult the building department.

City directory

2 cities indexed in Alameda County.

Each city page lists the local amendments (if any), parent county, and the local permit office.

Working in Alameda County?

Pull an address-level code packet for any property in Alameda County. SkyCanvass resolves the parcel, looks up the adopted edition + the Alameda County-specific amendments listed above, and emits a cited packet ready for permit submittal.

See the California state overview for the broader context, or browse the state directory.

Pull a Alameda County code packet.

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Export this county's code packet. See CA overview