• Water conditioning
• Exams
• Bonds

• Plumber license and credential types
• Exams
• Apprentice
• Bonds
• Reciprocity
• Backflow prevention certification
• Restricted plumber

Plumbing applications and forms

New: Continuing education requirements for plumbers

Business and contractor license and registration fee table

Individual license, certification and registration fee table

Directory of exam schedules and testing sites

Water and sewer pipe-layer training best practices

Plumbing applications and forms
Plumber license exam application
Plumbing reciprocity application
Water conditioning license exam application
Plumbing license renewal form
Water conditioning license renewal form
Unlicensed plumber registration form
Unlicensed work verification form
2012-2013 plumbing contractor/restricted plumbing contractor license application packet
2012-2013 water conditioning contractor license application packet
2012-2013 pipe laying contractors plumbing bond registration packet
Plumbing registered employer application
Backflow prevention rebuilder/backflow prevention tester registration
Medical gas registration form
Plumbing plan review requirements
Plumbing plan review application
Recreational camping area/manufactured home park service connection plan review application
Plumbing plan review agreement listing
Plumbing inspection fee submittal form
Complaint form
License address change
Exam special accommodations request form
Change of responsible person - plumbing contractor bond

Please Note: The Department of Labor and Industry does not accept cash as payment for licenses, inspections, copy requests and other DLI services. Accepted methods of payment include checks, money orders and electronic payments that can be made through the DLI Web site.