Adopted edition
IRC 2021 (Alabama amendments)
Local amendments override state floor.
AL · County
St. Clair County, AL.
St. Clair County is in AL (IECC zone 2A, design wind 100 mph).
Design wind speed
100 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.
Climate zone (IECC)
2A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
St. Clair County County Building Department
Common amendments + overlays
What's specific to this county.
- §01 County has local amendments to the state floor — consult the building department.
Working in St. Clair County?
Pull an address-level code packet for any property in St. Clair County. SkyCanvass resolves the parcel, looks up the adopted edition + the St. Clair County-specific amendments listed above, and emits a cited packet ready for permit submittal.
See the Alabama state overview for the broader context, or browse the state directory.
Pull a St. Clair 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.