Some counties welcome barndominiums, but metro and suburban areas may restrict them.
State code adopted but enforcement is handled at the municipal level. Not all towns have adopted the code for residential construction.
Primary Code
VT Fire and Building Safety Code
Code Version
2018 IBC / 2018 IRC with VT amendments
Adoption Level
Statewide + Local Amendments
Statewide Enforcement
No
Act 250 state land-use law applies to larger projects and subdivisions.
Residential
Required
Commercial
Required
Agricultural
Not Required
Size threshold: structures under 200 sq ft may be exempt.
Agricultural buildings on farms may be exempt from building permits in some towns.
Small structures may be exempt.
Heavy snow loads throughout. Higher in mountains. Moderate wind.
Wind Load
100–120 mph
moderate zone
Snow Load
40–80 psf
Seismic
A–B
Category
Flood
FEMA Regulated
Energy Code
VT Residential and Commercial Energy Codes
Version
2020 VT Energy Code
Vermont has its own energy code that is among the strictest in the country.
License Type
No state license required
Vermont does not require a state contractor license.
Front
25–40 ft
Side
10–20 ft
Rear
15–25 ft
Varies by municipality.
Frost depth 48-60 inches. Full basements standard.
Popular in rural areas.
Agricultural exemptions may apply.
Limited acceptance. Snow loads and energy code requirements are challenges.
Snow load design critical.
Full code compliance where enforced.
HOAs uncommon in most of Vermont.
Riverine flood zones. Vermont experienced severe flooding in recent years.
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.
