Permit or Not · All projects · Put up a ham radio antenna or tower · Michigan

Do I need a permit to put up a ham radio antenna or tower in Michigan?

It depends on the specifics

The radio itself is outside the building code, but the tower or mast holding the antenna is a structure — and the binding limit is almost always zoning height, not the building permit.

How Michigan decides

Code adoption
Statewide adoption
Edition on file
2015 IRC
Local amendments
Permitted
Verified county offices
22 of Michigan’s counties

Michigan adopts a building code statewide, so there is a single baseline every local building department starts from. That makes the typical rule below a better guide here than it is in a home-rule state — but adoption is the floor, not the whole answer: local amendments are still permitted, and a city that has tightened a threshold is not obliged to advertise it.

The edition on file for Michigan is the 2015 IRC. Editions matter less than people expect for the exemption thresholds and more than people expect for how the work has to be built — and a jurisdiction that has not caught up to the state's edition is common rather than remarkable.

On file for Michigan: Statewide.

Adoption data from Code Adoption by State (Code Check), retrieved 2026-08-09, checked for Michigan on 2026-08-09. That source gives the edition and whether adoption binds statewide. It does not give per-project thresholds, and neither do we — the thresholds on this page are the model code's. Code Adoption by State →

What changes the answer

These thresholds come from the model code. Michigan lets its cities and counties amend the code they adopt, and an amended threshold is usually where people get caught.

IRC R105.2 exempts radio transmitting equipment itself but states the code does apply to 'the installations of towers and antennas'. Separately, FCC rule 47 CFR §97.15(b) — the codified PRB-1 ruling — requires state and local antenna regulation to reasonably accommodate amateur service communications and to be the minimum practicable regulation serving the authority's legitimate purpose.

Why it matters

A tower that fails is a falling structure, and the foundation is the part nobody sees. The commoner problem is procedural: towers get built to the building code and then ordered down on zoning grounds, which is a separate approval nobody mentioned.

Confirm the requirement with the Michigan city or county building department that would issue the permit before you start.

Michigan county building departments we have verified

Permits in Michigan are issued by city and county building departments, not by the state. These 22 county permit pages have each been opened and checked, including a check that the page belongs to a county in Michigan — one in ten links in our first pass was a building department in another state entirely, so every entry here names the wording that identified it.

County offices. If your address sits inside a city or town, the city issues the permit and the county page will send you back out again. Checked 2026-08-25. We can resolve a ZIP to a proven county page for 352 Michigan ZIP codes; outside those, the checker falls back to a search rather than a guess.

This is the typical rule, not your answer

Nothing here is a permit decision, and it is not legal or engineering advice. No page can settle this for your address — permitting in Michigan is run by individual city and county building departments, and the one that covers your property is the only one whose answer binds anyone. Put a ZIP in and we will name the office that decides, and show you the county permit page where we have proven one.

More on put up a ham radio antenna or tower

The full put up a ham radio antenna or tower guide covers why the thresholds sit where they do, what catches people, and the narrower versions of this question — extending rather than building, repairing rather than replacing, and the cases that sit right on a limit.

Put up a ham radio antenna or tower in other states