Plumber License Requirements by State
Complete 2026 Guide to Licensing in All 50 States
Why Licensing Matters
Hiring a licensed plumber protects you legally and financially. Licensed plumbers have passed exams, carry insurance, and can be held accountable by state licensing boards if problems arise. Unlicensed work may void warranties, violate building codes, and leave you liable for damages.
Select Your State
Northeast
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Southeast
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Midwest
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Southwest
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
West
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
Michigan Homeowners Also Ask
What is the difference between a Master Plumber and a Journeyman Plumber in Michigan?⌄
A Michigan Journeyman Plumber has completed a 6,000-hour apprenticeship and passed a state exam — they can perform most residential plumbing under supervision. A Master Plumber has an additional 4,000 hours (2+ years) of journeyman experience, passed a second exam, and can pull permits and supervise others. Plumbing contractors must employ a licensed Master Plumber to operate legally in Michigan.
State Licensing Overview
| State | Statewide License | Exam Required | Apprenticeship | Licensing Board |
|---|---|---|---|---|
| Alabama | Yes | Yes | 8,000 hours | Visit |
| Alaska | Yes | Yes | 8,000 hours | Visit |
| Arizona | Yes | Yes | 4,000 hours | Visit |
| Arkansas | Yes | Yes | 8,000 hours | Visit |
| California | Yes | Yes | 4,800 hours | Visit |
| Colorado | Yes | Yes | 7,200 hours | Visit |
| Connecticut | Yes | Yes | 8,000 hours | Visit |
| Delaware | Yes | Yes | 8,000 hours | Visit |
| Florida | Yes | Yes | 4,000 hours | Visit |
| Georgia | Yes | Yes | 8,000 hours | Visit |
| Hawaii | Yes | Yes | 8,000 hours | Visit |
| Idaho | Yes | Yes | 8,000 hours | Visit |
| Illinois | Yes | Yes | 10,000 hours | Visit |
| Indiana | Local | No | 0 hours | Visit |
| Iowa | Yes | Yes | 8,000 hours | Visit |
| Kansas | Local | No | 0 hours | Visit |
| Kentucky | Yes | Yes | 8,000 hours | Visit |
| Louisiana | Yes | Yes | 8,000 hours | Visit |
| Maine | Yes | Yes | 6,000 hours | Visit |
| Maryland | Yes | Yes | 7,500 hours | Visit |
| Massachusetts | Yes | Yes | 9,600 hours | Visit |
| Michigan | Yes | Yes | 6,000 hours | Visit |
| Minnesota | Yes | Yes | 8,000 hours | Visit |
| Mississippi | Yes | Yes | 0 hours | Visit |
| Missouri | Local | No | 0 hours | Visit |
| Montana | Yes | Yes | 8,000 hours | Visit |
| Nebraska | Yes | Yes | 8,000 hours | Visit |
| Nevada | Yes | Yes | 4,000 hours | Visit |
| New Hampshire | Yes | Yes | 8,000 hours | Visit |
| New Jersey | Yes | Yes | 10,000 hours | Visit |
| New Mexico | Yes | Yes | 6,000 hours | Visit |
| New York | Local | Yes | 10,000 hours | Visit |
| North Carolina | Yes | Yes | 0 hours | Visit |
| North Dakota | Yes | Yes | 8,000 hours | Visit |
| Ohio | Local | Yes | 0 hours | Visit |
| Oklahoma | Yes | Yes | 8,000 hours | Visit |
| Oregon | Yes | Yes | 8,000 hours | Visit |
| Pennsylvania | Local | No | 0 hours | Visit |
| Rhode Island | Yes | Yes | 8,000 hours | Visit |
| South Carolina | Yes | Yes | 0 hours | Visit |
| South Dakota | Yes | Yes | 8,000 hours | Visit |
| Tennessee | Yes | Yes | 0 hours | Visit |
| Texas | Yes | Yes | 8,000 hours | Visit |
| Utah | Yes | Yes | 8,000 hours | Visit |
| Vermont | Yes | Yes | 6,000 hours | Visit |
| Virginia | Yes | Yes | 8,000 hours | Visit |
| Washington | Yes | Yes | 8,000 hours | Visit |
| West Virginia | Yes | Yes | 8,000 hours | Visit |
| Wisconsin | Yes | Yes | 10,000 hours | Visit |
| Wyoming | Local | No | 0 hours | Visit |
Common License Types
Apprentice Plumber
Entry-level plumber working under supervision of a journeyman or master plumber. Must complete required hours (typically 4-5 years) before advancing.
Journeyman Plumber
Licensed to perform plumbing work independently. Has completed apprenticeship and passed state exam. Can work on residential and commercial projects.
Master Plumber
Highest level of plumber licensing. Can supervise other plumbers, pull permits, and run a plumbing business. Requires additional experience beyond journeyman level.
Plumbing Contractor
Business license for operating a plumbing company. May require master plumber license, proof of insurance, bonding, and passing a business exam.
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