Adopted edition
IRC 2021 (Alabama amendments)
City has its own adoption — separate from county.
AL · City
Decatur, AL.
Decatur, 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
Decatur Building Department
ZIP coverage
3 ZIP codes inside Decatur.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
35601 35602 35603
Working in Decatur?
Pull an address-level code packet for any parcel in Decatur. SkyCanvass resolves the address, looks up the Decatur-specific amendments and the Morgan County county and Alabama state floor, then emits a cited packet ready for permit submittal.
See the Morgan County county overview, or the Alabama state directory .
Pull a Decatur 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.