Montana Fence Permit Requirements

Do You Need a Fence Permit in Montana?

Permit required for fences over 6 feet in most cities. Rural areas often have no permit requirement.

Montana Code Annotated §70-16-211 addresses spite fences. Residential permits are a local matter.

Setback Requirements in Montana

Yellowstone County requires 3 ft side yard setback. Cascade County (Great Falls) allows fences to property line in rear yard.

Corner lot owners in Montana should be especially careful — sight triangle rules often restrict fence height to 3 feet within 30 feet of an intersection, regardless of the standard height rules.

HOA Fence Rules in Montana

Less common outside Bozeman and Billings metro. Montana Condominium Act (§70-23-101) applies.

Always request written HOA approval before applying for a permit. Some HOAs require submission of fence design, material samples, and neighbor notification before approving. Getting permit approval first is not a substitute for HOA approval.

Key Counties in Montana

The most-searched counties for fence permits in Montana include: Yellowstone County (Billings), Gallatin County (Bozeman), Cascade County (Great Falls). Each county or municipality may have different requirements even within the same state.

How to Apply for a Fence Permit in Montana

1. Check your HOA CC&Rs first — get written approval before anything else.
2. Contact your local building department — city or county depending on your address.
3. Gather required documents — site plan showing property lines, fence location, height, and material.
4. Submit the application and fee — online or in person; costs vary by jurisdiction.
5. Wait for approval — typically 3–15 business days.
6. Post the permit — keep it visible at the job site during construction.
7. Schedule inspection — some jurisdictions require post-hole inspection before pouring concrete.