Do I need a permit
in Troy?

Troy, MI at a glance

Code adopted

MRC 2015

IRC-based

Frost depth

42 in

Statewide

Snow load

25–40 psf

Great Lakes add

Review time

2–6 wk

Detroit 3–6 wk

Run the check for your Troy address

60 seconds. Any Troy address. Pick your project to start:

Deck Fence Kitchen remodel Bathroom remodel Roof Solar Windows Search all 175 →

Project guides for Troy

Each guide covers the specific permit requirements, fees, and filing procedures for this project in Troy, MI.

Bathroom remodel in Troy

Plumbing moves, new circuits, and fixture work that trigger permits.

Size and height thresholds, footings, ledger attachment, and guardrail rules.

Electrical work in Troy

Panel upgrades, new circuits, service changes, and GFCI/AFCI requirements.

Height limits, setbacks, pool barrier rules, and HOA overlays.

Equipment replacement, refrigerant rules, and new installation permits.

Kitchen remodel in Troy

Full remodel combined permits: structural, plumbing, electrical, mechanical.

Roof replacement in Troy

Tear-off vs overlay, permitted materials, and wind-zone requirements.

Room addition in Troy

Plan review, foundation engineering, framing inspections, and energy code.

Solar panels in Troy

Structural roof review, electrical interconnection, and utility approval.

Window replacement in Troy

Like-for-like exemptions, egress requirements, and energy code.

Michigan context

Troy permit rules are shaped by state-level codes and local amendments. See the Michigan state guide for code-adoption facts, frost depth, snow load, and other cities we cover in Michigan.