Barndominiums are widely accepted across most counties.
Louisiana is unique in that local jurisdictions are NOT permitted to adopt their own building codes. The Uniform Construction Code Council adopts the state code. All parishes must follow it.
Primary Code
Louisiana State Uniform Construction Code
Code Version
2021 IBC / 2021 IRC with LA amendments
Adoption Level
Statewide
Statewide Enforcement
Yes
All metal buildings require stamped engineered plans including wind load certification. Parishes handle permitting but must follow state code.
Residential
Required
Commercial
Required
Agricultural
Not Required
Agricultural buildings may be exempt from certain code requirements when on agricultural land and used exclusively for farming. Specific exemptions vary by parish.
Limited size exemptions. Structures under 120 sq ft may be exempt in some parishes. Enforcement varies by parish.
Hurricane wind loads are the primary concern, especially along the Gulf Coast. Wind speeds up to 160 mph in coastal parishes. All steel buildings must have wind load certification.
Wind Load
115–160 mph
hurricane zone
Snow Load
0 psf
Seismic
A–B
Category
Flood
FEMA Regulated
Energy Code
IECC
Version
2021 IECC
Enforced statewide as part of the Uniform Construction Code.
License Type
State Licensing Board for Contractors license
Project Threshold
$50,000
Louisiana requires contractor licensing for projects over $50,000. License categories include residential, commercial, and specialty.
Front
25–35 ft
Side
5–15 ft
Rear
15–25 ft
Varies by parish.
Soft soils and high water tables are common. Coastal areas require elevated foundations. Pile foundations may be needed in very soft soil areas.
Full permits required. Wind load certification needed.
Agricultural exemptions available in some parishes.
Well-accepted in rural parishes. Must meet full residential code and wind load requirements.
Full permits and wind certification required.
Full state uniform code compliance required.
HOAs present in Baton Rouge and New Orleans suburbs. Most rural parishes have no HOA restrictions.
Extensive flood zones throughout Louisiana, especially in coastal parishes and along the Mississippi River. Flood elevation requirements are critical. Flood insurance is commonly required.
Key counties with specific permit information for Louisiana.
Full code enforcement. Active building department.
Typical fees: $400 – $3,000
Full enforcement. More inland, lower wind loads.
Typical fees: $300 – $2,500
High wind zone. 150+ mph wind requirements.
Typical fees: $400 – $3,000
Growing area. Standard enforcement. Flood zone considerations.
Typical fees: $250 – $2,000
Ag Exemption AvailableRural parish. More streamlined process.
Typical fees: $200 – $1,500
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.
