Barndominiums are widely accepted across most counties.
The MS State Codes Council does not mandate statewide adoption. It provides a list of approved code versions that local jurisdictions may choose from. Home rule means each jurisdiction decides independently.
Primary Code
IBC / IRC (locally adopted)
Code Version
2021 IBC is the base code; local adoption varies
Adoption Level
Local Only
Statewide Enforcement
No
Many rural counties have very minimal permitting requirements. Cities like Jackson, Gulfport, and Hattiesburg have standard processes.
Residential
Required
Commercial
Required
Agricultural
Not Required
Agricultural buildings are generally exempt from permits in most Mississippi jurisdictions. Rural counties are very permissive.
Small structures typically exempt where codes are enforced.
Gulf Coast counties require high wind load ratings up to 150 mph. Inland areas have moderate wind. Minimal snow loads.
Wind Load
105–150 mph
high zone
Snow Load
0–5 psf
Seismic
A–B
Category
Flood
FEMA Regulated
Energy Code
IECC (locally adopted)
Version
Varies
No statewide energy code mandate.
License Type
State Board of Contractors license
Project Threshold
$50,000
Mississippi requires contractor licensing for projects over $50,000 through the State Board of Contractors.
Front
25–30 ft
Side
5–10 ft
Rear
10–20 ft
Varies by jurisdiction. Rural areas typically more generous.
Coastal areas may require elevated foundations due to flood zones. Clay soils common in some regions.
Minimal permitting in rural areas.
Agricultural exemptions widely available.
Well-accepted statewide, especially in rural areas. Very build-friendly.
Minimal requirements in rural areas.
Full code compliance in cities with adopted codes.
HOAs relatively uncommon outside of Jackson and Gulf Coast suburbs. Most rural land unrestricted.
Extensive flood zones along the Mississippi River, Gulf Coast, and tributaries.
Key counties with specific permit information for Mississippi.
Full code enforcement in Jackson city. County enforcement varies.
Typical fees: $250 – $2,000
Coastal wind load requirements. Full enforcement.
Typical fees: $300 – $2,500
Memphis suburbs. Active code enforcement.
Typical fees: $300 – $2,000
Jackson suburbs. Moderate enforcement.
Typical fees: $200 – $1,500
Ag Exemption AvailableRural county. Minimal enforcement.
Typical fees: $0 – $500
Ag Exemption AvailableVerify 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.
