Barndominiums are widely accepted across most counties.
No statewide building code. If a local jurisdiction adopts any building code ordinance, it must use the 2015 IBC. Many rural areas have no code enforcement.
Primary Code
IBC / IRC (locally adopted)
Code Version
2015 IBC where adopted
Adoption Level
Local Only
Statewide Enforcement
No
Many rural counties have no permit requirements.
Residential
Not Required
Commercial
Required
Agricultural
Not Required
Agricultural buildings generally exempt where codes exist.
Varies.
High wind exposure on the open plains. Moderate to heavy snow loads. Tornado risk.
Wind Load
105–130 mph
high zone
Snow Load
25–50 psf
Seismic
A–B
Category
Flood
FEMA Regulated
Energy Code
None statewide
Version
N/A
No statewide energy code.
License Type
No state license required
South Dakota does not require a state contractor license.
Front
25–30 ft
Side
5–10 ft
Rear
15–20 ft
Set by local zoning where applicable.
Frost depth 42-48 inches.
Minimal permitting.
Generally no permits needed in rural areas.
Excellent state. Minimal restrictions.
Minimal requirements.
Code compliance in cities.
HOAs very uncommon outside Sioux Falls and Rapid City.
Flood zones along the Missouri River.
Verify the information above directly from these official sources. Regulations change — always confirm with your local building department before starting construction.
Disclaimer: This guide is for informational purposes only and does not constitute legal or professional advice. Building codes, permit requirements, and zoning regulations change frequently. Always verify current requirements with your local building department, planning office, or a licensed professional before starting construction. Homestead Steel Structures & Design is not a legal authority on building codes or zoning regulations. Last updated February 2026.
