Michigan Plumbing License: Requirements & Renewal

What Michigan requires to license a plumber: the board, the license classes, the hours, the exam, and what it takes to keep the card current.

This page is a research summary written for working plumbers, not legal advice. Licensing rules change, and boards update fees, hour requirements and continuing-education rules without much notice. Always confirm anything you are about to act on with Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes — State Plumbing Board before you apply, test or bid. We were unable to verify parts of this page against a primary source, so treat every figure here as a starting point for your own call to the board.

The essentials

License classes in Michigan

Michigan issues the following classes. Getting the class right matters — several states have residential-only or limited-scope licenses that will not cover commercial or multifamily work:

Experience and training

Journey: at least 6,000 hours of documented experience gained over not less than three years as a registered apprentice plumber. Master: 4,000 hours as a licensed journey plumber over not less than two years immediately preceding application.

One thing worth knowing regardless of state: the hours only count if they were logged properly at the time. Several boards require you to register as an apprentice before the clock starts, and hours worked while unregistered are simply gone. If you are early in the trade, get the registration paperwork right now rather than reconstructing it four years later.

The exam

State-administered through LARA's Bureau of Construction Codes (journey plumber examination includes a practical component)

Renewal and continuing education

Apprentice registrations and journey plumber licenses renew annually by April 30; master plumber licenses renew every three years by April 30 (renewal opens 90 days before expiration). No fixed annual CE hours — licensees must complete a code update course within one year of a new code adoption

Letting a license lapse is more expensive than it looks. Some states allow a short grace period with a penalty fee; others treat a lapsed license as forfeited and make you retest from scratch. Put the renewal date in your calendar with a 90-day warning, not a 7-day one.

Insurance and bonding

We could not verify a published state bond or insurance minimum for Michigan. That does not mean you should work uninsured — local permit offices, general contractors and property managers routinely require a certificate regardless of what the state demands.

Separately from whatever the state requires: Pipe Well requires every plumber on the network to carry current general liability insurance and to upload the certificate before the first appointment is sent.

Working across state lines

We could not confirm any published reciprocity agreement for Michigan. That does not always mean there is none — several states evaluate out-of-state licenses case by case, or let you sit for the exam on the strength of a license held elsewhere. If you are relocating, call the board and ask specifically about endorsement or credential review rather than assuming you start over.

What plumbers actually get wrong here

Anyone performing plumbing work must register as an apprentice with LARA within 30 days of employment, and any hours worked while that registration is lapsed or expired do NOT count toward the 6,000 hours for journey licensure — this is the single most common way Michigan applicants lose credit. A business cannot hold a plumbing contractor license unless a qualifying individual holds a LARA master plumber license.

Once you are licensed: getting the work

A license gets you legal. It does not get you a full schedule. The usual next step is buying leads — $40 to $85 for a contact that three or four other shops bought at the same moment, which at a realistic 10–20% close rate works out to somewhere between $300 and $1,000 for every job you actually book, plus the unpaid hours spent chasing the ones that go nowhere.

Pipe Well works the other way round. We book appointments, not leads, and we handle everything up to the moment you knock on the door: the advertising, the phone call, qualifying the job, getting the address and access details, and agreeing a date and time window with the homeowner. What reaches your phone is a scheduled appointment — name, address, time window and what is wrong. You reply YES and it is yours.

What it costs

Nothing to join. No subscription, no per-lead charge. You do the job, you set your own price, and you collect payment from the customer directly. Then Pipe Well is paid 50% of the job after your documented materials come off the top:

(amount collected − documented materials) × 50%

CollectedMaterialsNetPipe WellYou keep
$400$40$360$180$220
$1,200$520$680$340$860
$2,800$800$2,000$1,000$1,800
$8,500$3,200$5,300$2,650$5,850

Due within 48 hours of the customer paying you. If they never pay, you owe nothing. And look honestly at that last row — on a big repipe our share is a large number. If your book is already full of $8,500 jobs you are better off filling that capacity yourself. We are worth most to a shop with open capacity it cannot currently fill.

Apply free → Run your own numbers

Questions plumbers ask about licensing in Michigan

Do you need a license to do plumbing work in Michigan?

Yes. Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes — State Plumbing Board is the licensing authority for Michigan. Anyone performing plumbing work must register as an apprentice with LARA within 30 days of employment, and any hours worked while that registration is lapsed or expired do NOT count toward the 6,000 hours for journey licensure — this is the single most common way Michigan applicants lose credit. A business cannot hold a plumbing contractor license unless a qualifying individual holds a LARA master plumber license.

Who issues the plumbing license in Michigan?

Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes — State Plumbing Board. The official site is https://www.michigan.gov/lara/bureau-list/bcc.

What license classes exist in Michigan?

Plumbing Apprentice — registration (not a license), must be renewed annually. Journey Plumber — licensed to perform plumbing work. Master Plumber — qualifies a plumbing business and supervises journeys and apprentices. Plumbing Contractor — business license that requires a qualifying master plumber.

How many hours of experience do you need for a Michigan plumbing license?

Journey: at least 6,000 hours of documented experience gained over not less than three years as a registered apprentice plumber. Master: 4,000 hours as a licensed journey plumber over not less than two years immediately preceding application.

Who administers the Michigan plumbing exam?

State-administered through LARA's Bureau of Construction Codes (journey plumber examination includes a practical component)

How often does a Michigan plumbing license renew?

Apprentice registrations and journey plumber licenses renew annually by April 30; master plumber licenses renew every three years by April 30 (renewal opens 90 days before expiration). No fixed annual CE hours — licensees must complete a code update course within one year of a new code adoption

Can I get booked plumbing appointments in Michigan once I am licensed?

Yes. Pipe Well Plumbing books customer appointments in Michigan and texts them to licensed plumbers whose service radius covers the address. Joining is free — no subscription and no per-lead fee. Pipe Well is paid 50% of the job after your documented material costs are deducted, and only after the customer has paid you.

Booked appointments in Michigan

Set your ZIP and a service radius of at least 30 miles and we will match appointments inside it. Free to join.

Join Free → Plumbing jobs in Michigan

Plumbing license requirements in other states

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming

Compiled from Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes — State Plumbing Board published materials, last reviewed July 2026. Where a figure could not be verified against a primary source we have said so rather than estimate it. Spotted something out of date? Email info@pipewellplumbing.com and we will correct it.