Plumbing contractors in
Green Bay, Wisconsin.
A public directory of plumbing contractor businesses serving greater Green Bay. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
Plumbing jobs in Green Bay
0 open jobs in Green Bay.
The controlled job pilot is not open yet.
Common Job Costs
Licensing Requirements
Licensing Requirements
Wisconsin requires Master Plumber license through DSPS. Must complete 4-year apprenticeship or equivalent experience, pass state exam, and maintain continuing education. Journeyman license available after apprenticeship completion. License renewal every 2 years with 4 hours continuing education.
Permit Requirements
Green Bay requires permits for new installations, water heater replacements, and major repairs. Permit fees range $50-150. Submit applications through City of Green Bay Building Inspection Department.
Inspection Schedule
Rough-in inspection before covering work, final inspection upon completion. Schedule 24-48 hours in advance through Green Bay Building Department.
Insurance Minimums
General liability minimum $300,000 recommended, workers compensation required for employees, bonding requirements vary by project scope
Compliance research unavailable
Source status: unavailable · 7/22/2026
Detailed instructions are withheld because the source is not available for verification.
Local market snapshot
Source: DoorBase, aggregated public ZIP-level data. Updated 8/17/2026.
How to Get Licensed
Complete apprenticeship
Complete 4-year apprenticeship program through Wisconsin Department of Workforce Development or equivalent 8,000 hours experience plus classroom training
Apply for examination
Submit application to Wisconsin Department of Safety and Professional Services (DSPS) with proof of apprenticeship completion and required documentation
Pass state examination
Pass Wisconsin plumber examination covering codes, regulations, and trade knowledge. Exam administered by approved testing centers
Submit license application
Complete master plumber license application with DSPS, pay required fees, and provide proof of insurance and bonding if required
Maintain continuing education
Complete 4 hours continuing education every 2 years for license renewal, submit renewal application and fees to DSPS
About This Market
Green Bay's plumber market serves 105,000 residents across older neighborhoods and new developments. With 1922 licensed establishments statewide, competition is moderate. Winter freeze-ups drive emergency calls, while summer brings bathroom remodels and new construction. Costs run 10-15% below Milwaukee rates but above rural Wisconsin due to material transport and local wage standards. The Fox River area sees steady commercial work from paper mills and manufacturing. Market stays busy year-round with strong residential base and industrial accounts. Getting licensed in Wisconsin means serious commitment - four-year apprenticeship plus state exam isn't a shortcut game. Green Bay Building Department runs tight ship on permits, especially for gas line work. Winter emergency calls pay premium rates, but you'll earn every dollar crawling under frozen houses. Local supply houses know the contractors, so build relationships early. Competition's fair but established players have the commercial accounts locked up. Focus on residential service and small commercial to build your book.
- Licensed establishments in WisconsinUS Census Bureau Economic Census
- Licensing requirements and feesWisconsin Department of Safety and Professional Services
- Permit requirementsCity of Green Bay Building Inspection Department
- Cost estimatesMarket analysis and contractor surveys
- Population dataUS Census Bureau
Frequently Asked Questions
What does a plumber license cost in Wisconsin?
Wisconsin plumber license application costs $75 plus examination fees of approximately $100-150. Renewal every two years costs $55 according to Wisconsin DSPS.
How long does it take to become a licensed plumber in Green Bay?
Minimum 4 years including apprenticeship program completion, then pass state examination. Wisconsin DSPS requires 8,000 hours on-the-job training plus classroom instruction.
Do I need permits for water heater replacement in Green Bay?
Yes, Green Bay requires permits for water heater installation and replacement. Permit fees start at $50 according to Green Bay Building Inspection Department.
What insurance do plumbers need in Wisconsin?
Wisconsin contractors need general liability insurance, workers compensation for employees, and many jobs require bonding. Minimums vary by project scope and client requirements.
When is plumbing busiest in Green Bay?
November through March sees highest demand due to frozen pipes, heating issues, and winter weather damage. Emergency calls increase significantly during sub-zero periods.
Plumbing contractors in Green Bay
No contractors listed yet.
Run your plumbing business on The Forge.
Apply to be listed on The Board for free. Manage leads, quotes, jobs, and follow-ups in one place, built for independent operators and growing crews.