Plumber License Requirements by State
Install and repair water supply lines, drainage, and fixtures. Compare plumber license requirements across all 50 states below.
National Licensing Overview
44 out of 50 states require a state-level license for plumbers. In the remaining 6 states, licensing is either handled at the local level or not required at all. This is one of the most widely regulated contractor trades in the United States.
Average license fee across states that require licensing: $139. Average exam fee: $109. Actual costs vary significantly by state.
Alabama
Alabama
$270
Total Cost
4 yrs
Experience
Yes
Exam
Alaska
Alaska
$415
Total Cost
4 yrs
Experience
Yes
Exam
Arizona
Arizona
$315
Total Cost
4 yrs
Experience
Yes
Exam
Arkansas
Arkansas
$265
Total Cost
4 yrs
Experience
Yes
Exam
California
California
$460
Total Cost
4 yrs
Experience
Yes
Exam
Colorado
Colorado
$365
Total Cost
4 yrs
Experience
Yes
Exam
Connecticut
Connecticut
$395
Total Cost
4 yrs
Experience
Yes
Exam
Delaware
Delaware
$345
Total Cost
4 yrs
Experience
Yes
Exam
Florida
Florida
$330
Total Cost
4 yrs
Experience
Yes
Exam
Georgia
Georgia
$295
Total Cost
4 yrs
Experience
Yes
Exam
Hawaii
Hawaii
$495
Total Cost
4 yrs
Experience
Yes
Exam
Idaho
Idaho
$290
Total Cost
4 yrs
Experience
Yes
Exam
Illinois
Illinois
$345
Total Cost
4 yrs
Experience
Yes
Exam
Indiana
Indiana
$285
Total Cost
4 yrs
Experience
Yes
Exam
Iowa
Iowa
$285
Total Cost
4 yrs
Experience
Yes
Exam
Kansas
Kansas
$0
Total Cost
0 yrs
Experience
No
Exam
Kentucky
Kentucky
$270
Total Cost
4 yrs
Experience
Yes
Exam
Louisiana
Louisiana
$285
Total Cost
4 yrs
Experience
Yes
Exam
Maine
Maine
$335
Total Cost
4 yrs
Experience
Yes
Exam
Maryland
Maryland
$375
Total Cost
4 yrs
Experience
Yes
Exam
Massachusetts
Massachusetts
$430
Total Cost
4 yrs
Experience
Yes
Exam
Michigan
Michigan
$295
Total Cost
4 yrs
Experience
Yes
Exam
Minnesota
Minnesota
$330
Total Cost
4 yrs
Experience
Yes
Exam
Mississippi
Mississippi
$255
Total Cost
4 yrs
Experience
Yes
Exam
Missouri
Missouri
$0
Total Cost
0 yrs
Experience
No
Exam
Montana
Montana
$305
Total Cost
4 yrs
Experience
Yes
Exam
Nebraska
Nebraska
$0
Total Cost
0 yrs
Experience
No
Exam
Nevada
Nevada
$345
Total Cost
4 yrs
Experience
Yes
Exam
New Hampshire
New Hampshire
$365
Total Cost
4 yrs
Experience
Yes
Exam
New Jersey
New Jersey
$415
Total Cost
4 yrs
Experience
Yes
Exam
New Mexico
New Mexico
$290
Total Cost
4 yrs
Experience
Yes
Exam
New York
New York
$0
Total Cost
0 yrs
Experience
No
Exam
North Carolina
North Carolina
$305
Total Cost
4 yrs
Experience
Yes
Exam
North Dakota
North Dakota
$295
Total Cost
4 yrs
Experience
Yes
Exam
Ohio
Ohio
$290
Total Cost
4 yrs
Experience
Yes
Exam
Oklahoma
Oklahoma
$270
Total Cost
4 yrs
Experience
Yes
Exam
Oregon
Oregon
$365
Total Cost
4 yrs
Experience
Yes
Exam
Pennsylvania
Pennsylvania
$0
Total Cost
0 yrs
Experience
No
Exam
Rhode Island
Rhode Island
$355
Total Cost
4 yrs
Experience
Yes
Exam
South Carolina
South Carolina
$290
Total Cost
4 yrs
Experience
Yes
Exam
South Dakota
South Dakota
$285
Total Cost
4 yrs
Experience
Yes
Exam
Tennessee
Tennessee
$285
Total Cost
4 yrs
Experience
Yes
Exam
Texas
Texas
$305
Total Cost
4 yrs
Experience
Yes
Exam
Utah
Utah
$315
Total Cost
4 yrs
Experience
Yes
Exam
Vermont
Vermont
$345
Total Cost
4 yrs
Experience
Yes
Exam
Virginia
Virginia
$345
Total Cost
4 yrs
Experience
Yes
Exam
Washington
Washington
$375
Total Cost
4 yrs
Experience
Yes
Exam
West Virginia
West Virginia
$265
Total Cost
4 yrs
Experience
Yes
Exam
Wisconsin
Wisconsin
$295
Total Cost
4 yrs
Experience
Yes
Exam
Wyoming
Wyoming
$0
Total Cost
0 yrs
Experience
No
Exam