Shed, fence, pool and carport permits in Troy, MI
How Troy takes applications: on the town's own application form, sent by email to the building department.
Ready-to-send application, $49.99: we fill out Troy's application with you and send it back ready to email to the town, with what to attach.
What Troy says:
- Shed: Detached accessory buildings (garages and sheds) have construction requirements and inspections; no size exemption stated in city standards (MI code exempts <=200 sf detached accessory). Needed: Residential Building Permit Application, site drawing/aerial with dimensions, construction plans or kit brochures
- Fence: Fences <7 ft need land use permit (managed by building dept); residential max 6 ft. Needed: Fence permit application with material/height + site drawing/aerial image with fence lengths and setbacks; hold-harmless agreement if no surveyor
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Prefer to file it yourself? The $24.99 Filing Kit gives you the answer for your address, what Troy needs from you and step-by-step instructions. Check my Troy address →
How Troy takes applications: on the town's own application form, sent by email to the building department.
Ready-to-send application, $49.99: we fill out Troy's application with you and send it back ready to email to the town, with what to attach.
What Troy says:
- Shed: Detached accessory buildings (garages and sheds) have construction requirements and inspections; no size exemption stated in city standards (MI code exempts <=200 sf detached accessory). Needed: Residential Building Permit Application, site drawing/aerial with dimensions, construction plans or kit brochures
- Fence: Fences <7 ft need land use permit (managed by building dept); residential max 6 ft. Needed: Fence permit application with material/height + site drawing/aerial image with fence lengths and setbacks; hold-harmless agreement if no surveyor
Prefer to file it yourself? The $24.99 Filing Kit gives you the answer for your address, what Troy needs from you and step-by-step instructions. Check my Troy address →
Troy Building Department contact
City of Troy Building Department
Monday–Friday, 8 AM–5 PM
For the phone number and current details, see the city's official website.
Michigan context for Troy permits
Michigan adopted the 2015 International Building Code (IBC) with state amendments. The Michigan Building Code applies statewide and is enforced by city and county building departments, making it consistent across the state — a permit in Troy follows the same baseline code as one in Lansing or Grand Rapids. Michigan added state-specific amendments for radon prevention (rough grading must slope away from foundations, and sub-slab depressurization is often required), energy efficiency (insulation R-values are stricter than the base IBC), and mechanical ventilation (particularly in bedrooms and kitchens). Owner-builders are allowed to pull permits for owner-occupied homes in Michigan, but they must live in the home as their primary residence during and after construction — if you're flipping a house or building a rental, you must hire a licensed contractor. All electrical work must be done by a licensed electrician or a homeowner with an electrical license; Michigan does not allow owner-builders to do their own electrical in any circumstance. Plumbing and HVAC can be done by the owner-builder (for single-family homes they occupy), but the work must pass inspection and meet the Michigan Mechanical Code and Michigan Plumbing Code — these track the IPC/IMC but with state tweaks. If you hire a contractor, ask for their Michigan construction license (Builders Trust Account #, not just a business license) and liability insurance before they start. Troy's Building Department can verify a contractor's license status if you're unsure.
Common questions
Do I need a permit for a small deck in Troy?
Yes, if the deck is over 30 inches high or over 200 square feet. Troy treats any elevated platform as a deck and requires a permit. Footings must go 42 inches deep (below Troy's frost line). A 10×12 deck on grade (no footings) that's less than 200 square feet might be exempt — call the Building Department to confirm your specific deck size and height.
How deep do my deck footings need to be in Troy?
42 inches minimum. Troy's frost depth is 42 inches, meaning soil below that line is stable year-round. Any footing that bottoms out above 42 inches will heave during freeze-thaw cycles (October through April), causing the deck to shift and eventually fail. The Building Department inspector will check footing depth before you cover it — bring a tape measure and be ready to dig deeper if needed.
Can I pull an electrical permit myself as a homeowner in Troy?
No. Michigan law requires all electrical work to be done by a licensed electrician — even if you're the owner-builder of a single-family home. The electrician files the subpermit and signs off on the work. You can hire the electrician for just the permit filing if you're doing the rough-in yourself (though that's uncommon), but the license must be on the subpermit application.
How long does it take to get a permit in Troy?
Over-the-counter permits (fence, simple shed, water heater replacement) take 1–2 visits to the Building Department. Plan review for larger projects (decks, additions, electrical/HVAC upgrades) typically takes 2–4 weeks. Complex projects (room additions, pool installations) may take 4–6 weeks if the reviewer asks for revisions. Plan for the slower timeline and you'll be pleasantly surprised if it's faster.
What is Troy's frost depth and why does it matter?
Troy sits at 42 inches of frost depth, deeper than the IBC minimum of 36 inches. Any footing, foundation, or buried structure (deck post, pool barrier footing, fence post) must extend below 42 inches to avoid frost heave. In spring, soil above the frost line thaws and expands; footings that don't go deep enough will shift, crack, and eventually fail. Always ask your Building Department to confirm the exact frost depth for your specific lot location — soil type varies in Troy (sandy in the north, glacial till in the south), and some areas may be slightly different.
Do I need a permit for a small shed in Troy?
It depends on size, footings, and utilities. A freestanding shed under 120 square feet on a concrete pad with no electrical or plumbing may be exempt in Troy — but verify with the Building Department before you order materials. Any shed with a permanent foundation, electrical service, or plumbing (including drainage from a roof) requires a permit. Bring a photo or sketch of what you're planning and ask.
What happens if I skip a permit in Troy?
The city can fine you, order you to remove the work, and require costly remediation. Unpermitted work voids your homeowner's insurance (major problem if something fails and causes damage), complicates a future sale (a buyer's home inspector will flag it, and the lender may refuse to finance), and can trigger property tax reassessment. If the city discovers unpermitted work, you'll have to hire a contractor to bring it up to code retroactively — this costs 30–50% more than getting a permit upfront. Pull the permit.
How much does a permit cost in Troy?
Permit fees are typically 1.5% to 2% of project valuation, plus inspection fees. A $20,000 deck project costs $300–$400 in permits; a $50,000 addition runs $750–$1,000. Some jurisdictions cap flat fees at lower dollar amounts; Troy's fee structure varies by project type. Call the Building Department with your project scope and estimated cost to get an exact quote.
Do I need a licensed contractor to pull a permit in Troy?
For most residential projects, no — owner-builders of owner-occupied homes can pull their own permit. However, all electrical work must be done by a licensed electrician (who files the subpermit), and if you hire anyone to do framing, HVAC, or plumbing, they must be licensed and insured. Ask any contractor for their Michigan construction license number and liability insurance certificate before they start work.
What's Troy's online permit portal, and how do I use it?
Troy maintains an online permit portal for tracking applications and scheduling inspections. Visit troy.org or contact the Building Department directly for current portal access and login instructions. As of this writing, the portal allows you to check application status and book inspection appointments, but initial permit filing may still require an in-person visit or paper submission — confirm current submission methods with the department.
Ready to pull a permit in Troy?
Start with a 10-minute call to the Troy Building Department. Have your project scope, lot size, and estimated budget ready. Tell them what you're planning — a deck, an addition, a new fence — and they'll tell you exactly what forms you need, whether you need to hire a licensed pro, and how much the permit costs. Most questions get answered on the phone. If they ask for plans, get a rough sketch on paper (or use Google Maps with distances marked in) and bring it with you in person. File the permit before you start work. The cost is worth it.
More Michigan towns
Towns near Troy in the alphabet where we file your permit for you: Berkley, Brighton, Cooper Charter Township, Detroit, Gladstone, Hartford, Holland, Ishpeming.