Michigan Plumber License Requirements

Official classification: Plumbing Contractor License (requires qualifying Master Plumber) · Issued by the Michigan LARA — Bureau of Construction Codes, Plumbing Division.

🔧 PlumberMI ✔ Verified 2026-06-22

In Michigan, plumbers must hold the Plumbing Contractor License (requires qualifying Master Plumber), issued by the Michigan LARA — Bureau of Construction Codes, Plumbing Division, and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed plumber in Michigan

Follow these steps to earn your Plumbing Contractor License (requires qualifying Master Plumber). Every figure is verified against the Michigan LARA — Bureau of Construction Codes, Plumbing Division; full detail for each step is further down the page.

  1. Build the required experience. Journey Plumber: 6,000 hours (3 years) as registered apprentice. Master Plumber: 4,000 hours (at least 2 years) as a licensed Journey Plumber. Minimum age 18 for all levels.
  2. Pass the Journey Plumber Examination and Master Plumber Examination and Plumbing Contractor Examination exams. Providers, passing scores and fees are in the Exams section below.
  3. Line up insurance. You'll need liability insurance (No specific liability-insurance minimum is set by LARA's Skilled Trades rules; general liability is commonly required by clients and municipalities.), and workers' compensation coverage.
  4. Clear the background check. Criminal background check required; $25 fee included in application; Michigan State Police criminal history review
  5. Submit your application and fees. Apply through the Michigan LARA — Bureau of Construction Codes, Plumbing Division — Apprentice registration: $15; Journey Plumber: $40; Master Plumber: $300; Plumbing Contractor: $300 (plus $10 regulatory assessment and $25 background check fee) application fee, plus a Included in application fee license fee. Processing time: Not publicly disclosed by LARA BCC; applications reviewed in order of receipt.
  6. Keep the license active. Renew journey Plumber: annually by April 30; Master Plumber & Plumbing Contractor: every 3 years by April 30, completing Journey and Master Plumbers must complete an approved 5-hour code update course within one year of each new Michigan Plumbing Code adoption; Master Plumbers and Contractors: 6 hours per 3-year cycle under some sources — verify current requirement at LARA.

Michigan plumber license lookup

To confirm a plumber is properly licensed in Michigan — or to check the status of your own license — search the issuing agency's official license database. The record shows whether the license is active and in good standing.

Verify a license now: Search the official aca-prod.accela.com database →

License types

Requirements at a glance

Experience requiredJourney Plumber: 6,000 hours (3 years) as registered apprentice. Master Plumber: 4,000 hours (at least 2 years) as a licensed Journey Plumber. Minimum age 18 for all levels.
Application feeApprentice registration: $15; Journey Plumber: $40; Master Plumber: $300; Plumbing Contractor: $300 (plus $10 regulatory assessment and $25 background check fee)
License feeIncluded in application fee
Renewal feeJourney Plumber: $40/year (annually by April 30); Master Plumber & Plumbing Contractor: $300 every 3 years (by April 30; late fee: $100)
Renewal periodJourney Plumber: annually by April 30; Master Plumber & Plumbing Contractor: every 3 years by April 30
Continuing educationJourney and Master Plumbers must complete an approved 5-hour code update course within one year of each new Michigan Plumbing Code adoption; Master Plumbers and Contractors: 6 hours per 3-year cycle under some sources — verify current requirement at LARA
Bond requiredNo state-level bond required; municipal bonding may apply — check local jurisdiction
Liability insuranceNo specific liability-insurance minimum is set by LARA's Skilled Trades rules; general liability is commonly required by clients and municipalities.
Property damage
Workers' compRequired under Michigan Workers' Disability Compensation Act if employer has 3+ employees at any time, or 1+ full-time employee (35+ hrs/week) for 13+ weeks
Background checkCriminal background check required; $25 fee included in application; Michigan State Police criminal history review
Credit requirementNone
ReciprocityNone
Processing timeNot publicly disclosed by LARA BCC; applications reviewed in order of receipt

Exams

Journey Plumber ExaminationProvider: PSI (on behalf of LARA BCC) · Passing: 70% · Fee: $100 (paid to PSI)
Master Plumber ExaminationProvider: PSI (on behalf of LARA BCC) · Passing: 70% · Fee: $100 (paid to PSI)
Plumbing Contractor ExaminationProvider: PSI (on behalf of LARA BCC) · Passing: 70% · Fee: $100 (paid to PSI)
Preparing for the Plumber exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Exams are open-book; approved reference materials including Michigan Plumbing Code may be used. Journey licenses expire April 30 annually; Master/Contractor expire April 30 on a triennial cycle.

Frequently asked questions

How much does a Michigan plumber license cost?

Application: Apprentice registration: $15; Journey Plumber: $40; Master Plumber: $300; Plumbing Contractor: $300 (plus $10 regulatory assessment and $25 background check fee). License: Included in application fee. Renewal: Journey Plumber: $40/year (annually by April 30); Master Plumber & Plumbing Contractor: $300 every 3 years (by April 30; late fee: $100).

How do I look up a plumber license in Michigan?

Search the official license database at aca-prod.accela.com. The record shows whether the license is active and in good standing.

Do plumbers in Michigan need a surety bond?

No state-level bond required; municipal bonding may apply — check local jurisdiction

What experience is required for a Michigan plumber license?

Journey Plumber: 6,000 hours (3 years) as registered apprentice. Master Plumber: 4,000 hours (at least 2 years) as a licensed Journey Plumber. Minimum age 18 for all levels.

Is insurance required for plumbers in Michigan?

Liability: No specific liability-insurance minimum is set by LARA's Skilled Trades rules; general liability is commonly required by clients and municipalities. Workers' compensation: Required under Michigan Workers' Disability Compensation Act if employer has 3+ employees at any time, or 1+ full-time employee (35+ hrs/week) for 13+ weeks

How often must a Michigan plumber license be renewed?

Journey Plumber: annually by April 30; Master Plumber & Plumbing Contractor: every 3 years by April 30. Continuing education: Journey and Master Plumbers must complete an approved 5-hour code update course within one year of each new Michigan Plumbing Code adoption; Master Plumbers and Contractors: 6 hours per 3-year cycle under some sources — verify current requirement at LARA

Fees and rules change frequently (often annually). This page was last verified on 2026-06-22 — always confirm current requirements directly with the Michigan LARA — Bureau of Construction Codes, Plumbing Division before applying. This is not legal advice.

Official sources

michigan.gov/lara/bureau-list/bcc/sections/licensing-section/exam-lic/plumbing-examination-licensing-registration-application-information
michigan.gov/lara/bureau-list/bcc/sections/plumbing-unit
servicetitan.com/licensing/plumbing/michigan
uslicenses.com/michigan-plumbing-license
nextinsurance.com/blog/michigan-plumber-license-and-insurance-requirements
blog.service.works/business-topics/plumbing-license-michigan-how-to-become-a-plumbing-contractor-in-mi

Other Michigan contractor licenses

⚡ Electrician
Electrical Contractor License (requires qualifying Master Electrician)
❄️ HVAC
Mechanical Contractor License — HVAC Equipment Classification
🏗️ General Contractor
Residential Builder License
🏠 Roofer
Maintenance & Alteration Contractor License — Roofing Classification

Plumber licensing in other states

Alabama
Master Plumber / Journeyman Plumber Certification
Alaska
Certificate of Fitness - Plumbing
Arizona
CR-37 / C-37 / R-37R Plumbing
Arkansas
Journeyman / Master Plumber License
California
C-36 Plumbing Contractor
Colorado
Plumber License
Connecticut
Unlimited Plumbing Contractor (P-1) / Unlimited Plumbing Journeyperson (P-2)
Delaware
Master Plumber
Florida
Certified / Registered Plumbing Contractor (CILB)
Georgia
Master Plumber License (Restricted or Non-Restricted)
Hawaii
Journey Worker Plumber (PJ) / Master Plumber (PM) — individual licenses; C-37 Plumbing Contractor classification
Idaho
Plumber License
Illinois
Plumber License
Indiana
Journeyman Plumber, Plumbing Contractor
Iowa
Plumber License (Journey and Master Levels)
Kentucky
Plumber License
Louisiana
LSLBC Plumbing classification (company) + State Plumbing Board of Louisiana Journeyman/Master Plumber (individual)
Maine
Plumber
Maryland
Master Plumber/Gas Fitter / Journey Plumber/Gas Fitter License
Massachusetts
Plumber License (Journeyman / Master)
Minnesota
Plumbing Contractor License (with Master Plumber as Responsible Licensed Individual)
Mississippi
Commercial Plumbing Contractor (Mechanical Work – Plumbing specialty) / Residential Plumbing Contractor
Missouri
No statewide plumber license — journeyman and master licenses are issued by cities/counties (RSMo Ch. 341)
Montana
Plumber
Nebraska
No statewide license — Omaha Master Plumber License
Nevada
C-1 Plumbing and Heating Contractor
New Hampshire
Journeyman Plumber
New Jersey
Master Plumber License
New Mexico
MM-1 Plumbing Contractor
New York
Master Plumber License
North Carolina
Plumbing Contractor, Class I / Class II (and Restricted Limited Plumbing Contractor)
North Dakota
Plumber License
Ohio
Plumbing Contractor License
Oklahoma
Plumber License
Oregon
Journeyman Plumber (PJ) — issued by BCD; a separate CCB license is required to operate a plumbing contracting business
Pennsylvania
No statewide license — Philadelphia Master Plumber License
Rhode Island
Plumber
South Carolina
Mechanical Contractor - Plumbing (PB) [commercial]; Residential Specialty Contractor - Plumbing [residential]
South Dakota
Plumber
Tennessee
Contractor License, CMC-A (Plumbing and Gas Piping) classification
Texas
Tradesman / Journeyman / Master Plumber (TSBPE)
Utah
P200 General Plumbing Contractor / P201 Residential Plumbing Contractor (contractor license); individual Apprentice, Journeyman, and Master Plumber licenses are separate
Vermont
Plumber
Virginia
Contractor License (Class A/B/C) with Plumbing (PLB) specialty; plus individual Plumber Tradesman license (Journeyman/Master)
Washington
Plumber Certification (Journey Level / Specialty) + Plumbing Contractor License
West Virginia
Plumber
Wisconsin
Plumber License (Journeyman / Master Plumber)