Adopted edition
IRC 2018
City has its own adoption — separate from county.
SD · City
Spearfish, SD.
Spearfish, SD — building code: IRC 2018.
Design wind speed
90 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft.
Climate zone (IECC)
5A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Spearfish Building Department
www.spearfish.govZIP coverage
2 ZIP codes inside Spearfish.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
57783 57799
Working in Spearfish?
Pull an address-level code packet for any parcel in Spearfish. SkyCanvass resolves the address, looks up the Spearfish-specific amendments and the Lawrence County county and South Dakota state floor, then emits a cited packet ready for permit submittal.
See the Lawrence County county overview, or the South Dakota state directory .
Pull a Spearfish 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.