Plumbing Contractor Permit Requirements in Detroit, MI

Complete permit and license guide for starting a plumbing contractor in Detroit, Wayne County, Michigan.

$700 -- $2200 6–10 weeks to obtain all licenses and permits 6 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Detroit / Wayne County Requirements

2 requirements
1

City of Detroit Business License

All businesses operating in Detroit must register with the City of Detroit Department of Licenses and Inspections. Plumbing contractors must also register as a licensed contractor with the city to pull plumbing permits.

$125–$250/year1–3 weeks
Official government source
2

Detroit — Contractor Registration for Permits

Plumbing contractors must register with the Buildings, Safety Engineering and Environmental Department (BSEED) to obtain plumbing permits. The state-licensed Master Plumber must be on file. Michigan state license is required.

No additional fee beyond state license verification1–2 weeks
Official government source

Michigan State Requirements

3 requirements
1

Michigan Master Plumber License

Required to contract for plumbing work in Michigan. Issued by the Michigan Bureau of Construction Codes. Applicants must pass a state examination, have 4 years of plumbing experience (including journeyman experience), and carry $100,000 liability insurance. License renewed every 3 years.

$175 (3-year license fee) + exam fees4–8 weeks
Official government source
2

Michigan Plumbing Contractor Bond/Insurance

Plumbing contractors in Michigan must carry at least $100,000 in general liability insurance. Workers' compensation is required if you have employees.

$600–$1,500/year1–5 days
Official government source
3

Michigan Business Entity Registration (if applicable)

LLCs and corporations must register with the Michigan Department of Licensing and Regulatory Affairs (LARA).

$50 (LLC filing fee)5–10 business days
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC/corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

Official Sources

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