Plumber License Guide for Every State in 2022

Within the U.S., there are variations on what’s required to attain a plumber license. This includes differences in cost and who issues the license in each state.

Some states allow transferring a license from specific other states, this is called reciprocity. Others require licensed plumbers from other states to start fresh and apply for a unique license for that state.

This complete guide will provide:

An overview of every U.S. state’s requirements for quick reference
A link to each state’s issuing body for a plumber license
Notice of testing requirements to receive a plumber license
Any costs required when applying in each state

Plumber License Requirements by State

State	Issuing Body	Exam Required	Reciprocity Agreement	Costs
Alabama	Alabama Plumbers & Gas Fitters Examining Board	Yes	No	Certificate Fee: $75-$175 Application Fee: $35-$50 Exam Fee: $110-$160
Alaska	Regulation Of Mechanical Administrators	Yes	N/A	Application Fee: $150 License Fee: $200
Arizona	Arizona Registrar of Contractors	Yes	N/A	Application Fee: $100-$200 License Fee: $270-$580
Arkansas	Arkansas Department of Health – Plumbing & Natural Gas	Yes	N/A	Application Fee: $0-$150 License Fee: $25-$200
California	Contractors State License Board	Yes	Yes	Application Fee: $450 License Fee: $200-$350
Colorado	Colorado Division of Professions and Occupations, Plumbing Board	Yes	N/A	Online Portal
Connecticut	Department of Consumer Protection	Yes	N/A	License Fee: $90-$150
Delaware	Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners	Yes	Yes	License Fee: $153
Florida	Department of Business and Professional Regulation	Yes	N/A	Application Fee: $145-$245
Georgia	State Construction Industry Licensing Board, Division of Master and Journeyman Plumbers	Yes	No	Application Fee: $30-$50
Hawaii	Professional Vocational Licensing – Board of Electricians and Plumbers	Yes	Yes	Application Fee: $40
Idaho	Division of Building Safety	Yes	Yes	Application Fee: $22.50
Illinois	Illinois Department of Public Health	Yes	Yes	Application Fee: $175-$225
Indiana	Indiana Plumbing Commission	Yes	Yes	Application Fee: $30-$50 License Fee: $15-$100
Iowa	Iowa Plumbing and Mechanical Systems Board	Yes	Yes	Application Fee: $25 License Fee: $25-$125
Kansas	No Statewide Plumbing Licensing*	N/A	N/A	N/A
Kentucky	Department of Housing Buildings and Construction	Yes	N/A	Journeyman License: $60 Master License: $250
Louisiana	State Plumbing Board of Louisiana	Yes	Yes	Exam Fee: $135 Application Fee: $75
Maine	Office of Professional and Occupational Regulation	Yes	N/A	License Fee: $200 Criminal Background Check Fee: $21
Maryland	Maryland Board of Plumbing	Yes	Yes	Application Fee: $15-$70
Massachusetts	The Board of Registration of Plumbers and Gas Fitters	Yes	N/A	Exam Fee: $31 License Fee: $52
Michigan	Department of Licensing and Regulatory Affairs	Yes	N/A	License Fee: $40
Minnesota	Department of Labor and Industry	Yes	Yes	Application Fee: $50
Mississippi	Mississippi State Board of Contractors	Yes	Yes	Application Fees: $50-$400
Missouri	No Statewide Plumbing Licensing*	N/A	N/A	N/A
Montana	Montana Board of Plumbers	Yes	Yes	Application Cost: $270
Nebraska	No Statewide Plumbing Licensing*	N/A	N/A	N/A
Nevada	Nevada Board of Plumbing Examiners	Yes	N/A	Application Fee: $125
New Hampshire	Mechanical Safety and Licensing Board	Yes	N/A	Application Fee: $90-$310
New Jersey	State Board of Examiners of Master Plumbers	Yes	Yes	Application Fee: $100
New Mexico	Mechanical Plumbing Bureau	Yes	N/A	N/A
New York	No Statewide Plumbing Licensing*	N/A	N/A	N/A
North Carolina	State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors	Yes	N/A	License Fee: $150
North Dakota	North Dakota State Plumbing Board	Yes	Yes	License Fee: $150-$250
Ohio	Ohio Construction Industry Licensing Board	Yes	N/A	Application Fee: $50
Oklahoma	Construction Industries Board	Yes	Yes	Application Fee: $75-$330
Oregon	Building Codes Division	Yes	Yes	Application Fee: $100
Pennsylvania	No Statewide Plumbing Licensing*	N/A	N/A	N/A
Rhode Island	Division of Professional Regulation	Yes	N/A	Application Fee: $72-$240
South Carolina	Contractor’s Licensing Board	Yes	Yes	Application Fee: $175-$350
South Dakota	South Dakota Plumbing Commission	Yes	Yes	Application Fees: $205-$375
Tennessee	Department of Commerce and Insurance	Yes	N/A	Application Fee: $75
Texas	Texas State Board of Plumbing Examiners	Yes	N/A	License Fee: $40
Utah	Division of Occupational and Professional Licensing	Yes	Yes	Application Fee: $116
Vermont	Department of Public Safety, Division of Fire Safety	Yes	N/A	Application Fee: $50-$120
Virginia	Department of Professional and Occupational Regulation	Yes	Yes	Application Fee: $130
Washington	Washington State Department of Labor and Industries	Yes	Yes	Exam Fee: $189.90 Certification Fee: $156.70-$228
West Virginia	Division of Labor	Yes	Yes	Application Fee: $75
Wisconsin	Department of Safety and Professional Services	Yes	N/A	License Fee: $138.75-$180
Wyoming	No Statewide Plumbing Licensing*	N/A	N/A	N/A

For the states without statewide electrical licensing, you’ll still need a license. The issuer would be a regional or local office within that state where you intend to operate.

Also, if you’re looking to fill out your team with licensed plumbers, download our FREE Plumbing Hiring Guide for all of the best recruiting tips!

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