Adopted edition
IRC 2021 (Arkansas amendments)
City has its own adoption — separate from county.
AR · City
Fort Smith, AR.
Fort Smith, AR — building code: IRC 2021 (Arkansas amendments).
Design wind speed
90 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft.
Climate zone (IECC)
3A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Fort Smith Building Department
ZIP coverage
13 ZIP codes inside Fort Smith.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
72901 72902 72903 72904 72905 72906 72908 72913 72914 72916 72917 72918 72919
Working in Fort Smith?
Pull an address-level code packet for any parcel in Fort Smith. SkyCanvass resolves the address, looks up the Fort Smith-specific amendments and the Sebastian County county and Arkansas state floor, then emits a cited packet ready for permit submittal.
See the Sebastian County county overview, or the Arkansas state directory .
Pull a Fort Smith 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.