Adopted edition
IRC 2021 (Alabama amendments)
City has its own adoption — separate from county.
AL · City
Huntsville, AL.
Huntsville, AL — building code: IRC 2021 (Alabama amendments).
Design wind speed
100 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft.
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
Huntsville Building Department
ZIP coverage
24 ZIP codes inside Huntsville.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
358013580235803358043580535806358073580835809358103581135812358133581435815358163582435893358943589535896358973589835899
Working in Huntsville?
Pull an address-levelcode packetfor any parcel in Huntsville. SkyCanvass resolves the address, looks up the Huntsville-specific amendments and the Madison County county and Alabama state floor, then emits a cited packet ready for permit submittal.
See theMadison County countyoverview, or theAlabama state directory.
Pull a Huntsville 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.