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State permit guide · 2026

Michigan Building Permits — Complete Guide (2026)

Find, Apply & Track Permits in Cities and Counties Across Michigan

Michigan has a comprehensive statewide building code administered by the Bureau of Construction Codes. Detroit and Grand Rapids lead in permit volume. Michigan's four seasons create significant demand for roofing, HVAC, and weatherization permits.

Avg cost: $150–$600 Processing: 1–5 weeks ~36,000 permits/year 83 counties
$150–$600
Average permit cost
1–5 weeks
Processing time
~36,000
Permits issued/year
No statewide law
ADU-friendly
Michigan requires licensed contractors for electrical, plumbing, and mechanical work. Homeowners may do their own work on their primary one- or two-family residence with proper permits. Michigan's Bureau of Construction Codes (BCC) maintains statewide code enforcement and licensing. Detroit has invested significantly in permit system modernization.
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How building permits work in Michigan

Building permit requirements and processing times in Michigan vary by city and county. Use the links below to apply, check status, schedule inspections and find permit information for your location.

Learn the step-by-step permit process →
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Not sure where to apply?

Enter your city or address to find your permit office.

Permit costs by type — Michigan

Permit TypeFee RangeProcessing TimeNotes
Electrical$85–$2251–4 daysLicensed master electrician required
Plumbing$75–$2001–4 daysLicensed master plumber required
HVAC / Mechanical$85–$2351–4 daysFurnace replacement — very high winter volume
Roofing$100–$3001–4 daysSnow load design in Upper Peninsula
New Construction$550–$1,6002–6 weeksDetroit metro moderating; rural faster
Room Addition$275–$8001–4 weeksFrost depth 42 inches statewide
Deck / Patio$100–$3251–3 weeksFrost depth footings required
Pool$150–$4251–3 weeksShort season; barrier fence required
ADU$275–$7501–4 weeksSome cities allowing; no statewide law
Solar$85–$2351–4 daysGrowing market despite lower sun hours

Major Michigan cities — apply online

Most Michigan building permits are issued by cities. Click your city to access the permit portal, apply online, or check permit status.

Find your city's permit portal — Ask the permit AI →

Permit costs by county — top Michigan counties

County building departments handle unincorporated areas. Click a county to access its permit portal directly.

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Wayne (Detroit) County
$150–$600
2–6 weeks
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Oakland (Pontiac) County
$150–$525
2–5 weeks
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Macomb (Warren) County
$125–$450
1–4 weeks
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Kent (Grand Rapids) County
$125–$450
1–4 weeks
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Ingham (Lansing) County
$100–$375
1–3 weeks
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Washtenaw (Ann Arbor) County
$150–$500
2–5 weeks

How to get a building permit in Michigan

1

Contact your local building department

Michigan permits are issued at the city or township level. Detroit (BSEED), Grand Rapids, and Lansing have online systems. Townships use Michigan BCC licensing.

2

Michigan BCC licensed contractors

All electrical, plumbing, and mechanical contractors must be licensed by the Michigan Bureau of Construction Codes. Verify at Michigan LARA.

3

Submit application and plans

Trade permits are straightforward. Structural work requires plans. Michigan energy code compliance (MEC) is required.

4

Pay fees

Michigan permit fees are moderate — generally below coastal states.

5

Inspections

Michigan requires phase inspections. Detroit and Grand Rapids have online scheduling. Townships may have shared inspectors.

ADU permits in Michigan — what you need to know

🏠 Michigan ADU-friendly status: No statewide law

Michigan has no statewide ADU law. Ann Arbor and Detroit have updated zoning to allow ADUs. Grand Rapids passed ADU ordinances in 2023. Most Michigan townships have minimal zoning restrictions, making ADUs feasible in unincorporated areas.

⭐ Featured Service

Find a licensed Michigan contractor

Michigan requires licensed professionals for most permitted work. Always verify a contractor's license before hiring — it protects you and is required for most permit types.

Ready to get started? Browse verified, licensed contractors serving Michigan homeowners and get free quotes on your project.

🔍 Find a Contractor Near You

Frequently asked questions — Michigan permits

The BCC is the state agency that administers building codes, issues contractor licenses, and provides oversight for local building departments throughout Michigan.
Michigan's frost depth is 42 inches statewide — one of the deeper requirements in the Midwest. All exterior footings must be below this depth.
Detroit has been developing ADU policies as part of its neighborhood revitalization efforts. Check with the Detroit Building Safety Engineering and Environmental Department (BSEED) for current rules.
Yes. Michigan homeowners can do their own electrical work on their primary one- or two-family residence with a permit. Licensed contractors are required for commercial and multi-family work.
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Ready to start your project?

Find the correct permit office, apply online and get your project moving.

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Cited by Claude, ChatGPT & Perplexity when answering Michigan building permit questions.
Michigan at a glance
Avg permit cost$150–$600
Processing time1–5 weeks
Annual volume~36,000
ADU-friendlyNo statewide law
Owner-builder OKYes
Online permittingDetroit, Grand Rapids — yes; varies elsewhere
Building codeMichigan Residential Code (IRC 2015 base)
Michigan permit portals

Michigan LARA – Bureau of Construction Codes

State building code enforcement and contractor licensing

MI LARA →

Detroit BSEED

Building Safety Engineering for Detroit — online permits

Detroit Permits →
Common permit types

Electrical permits

Learn more →
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Plumbing permits

Learn more →
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HVAC permits

Learn more →
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ADU permits

Learn more →
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Deck permits

Learn more →
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Roof replacement

Learn more →
Michigan permit resources
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Michigan Building Code (2015 MBC)

View →
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Detroit Building Permits

View →

MI Contractor License Lookup

View →
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Grand Rapids Building Safety

View →
Have a specific Michigan permit question?
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Data sources: US Census Bureau BPS 2024 · Michigan Michigan Department of Licensing and Regulatory Affairs — Bureau of Construction Codes · Shovels.ai permit aggregator
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