Adopted edition
CRC 2022
Local amendments override state floor.
CA · County
Sonoma County, CA.
Sonoma is a coastal CA jurisdiction — design wind 115 mph.
Design wind speed
115 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
Sonoma County — permitsonoma.org
permitsonoma.orgCommon amendments + overlays
What's specific to this county.
- §01 Coastal flood-zone overlays (FEMA AE/VE).
- §02 WUI overlay — fire-resistant exterior + defensible space requirements.
- §03 County has local amendments to the state floor — consult the building department.
City directory
1 city indexed in Sonoma County.
Each city page lists the local amendments (if any), parent county, and the local permit office.
Working in Sonoma County?
Pull an address-level code packet for any property in Sonoma County. SkyCanvass resolves the parcel, looks up the adopted edition + the Sonoma 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 Sonoma County code packet.
Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.