Plumbing Contractors in Green Bay, Wisconsin

Licensed Establishments

1,922

U.S. Census Bureau

Peak Season

November through March during heating season and freeze-related emergencies

Estimate

Avg. Response Time

24-48 hours for quotes, same day for emergency calls

Estimate

Common Job Costs

ServiceCost Range
Drain cleaning$150 – $350
Water heater installation$1,200 – $3,500
Toilet repair/replacement$200 – $800
Faucet installation$180 – $450
Sewer line repair$2,500 – $8,000
Emergency service call$200 – $500

Licensing Requirements

Licensing Requirements

Wisconsin requires Master Plumber License through DSPS. Must complete 4-year apprenticeship or equivalent experience, pass written and practical exams, maintain continuing education. Journeyman license available as intermediate step. Renewal every 2 years with 8 hours continuing education.

Permit Requirements

City of Green Bay requires permits for water heater replacement, new plumbing installations, sewer connections, and major repairs. Permit fees range $50-200 depending on scope.

Inspection Schedule

Rough-in inspection before covering work, final inspection after completion. 24-48 hour notice required for scheduling inspections with Green Bay Building Department.

Insurance Minimums

Wisconsin requires minimum $50,000 general liability insurance. Workers compensation required if employing others. Professional liability coverage recommended for larger projects.

How to Get Licensed

  1. 1

    Complete apprenticeship

    Complete a 4-year plumbing apprenticeship program or demonstrate equivalent work experience under a licensed master plumber

  2. 2

    Apply for examination

    Submit application to Wisconsin DSPS with required fees, transcripts, and proof of apprenticeship completion

  3. 3

    Pass written examination

    Pass the written examination covering plumbing codes, safety regulations, and technical knowledge

  4. 4

    Pass practical examination

    Successfully complete hands-on practical examination demonstrating plumbing installation and repair skills

  5. 5

    Submit license application

    File completed license application with DSPS including exam results, insurance proof, and required fees

  6. 6

    Maintain continuing education

    Complete 8 hours of approved continuing education every 2 years for license renewal

About This Market

Green Bay's plumber market runs steady year-round with 1922 licensed establishments statewide creating decent competition. Winter freeze-ups and older housing stock from the paper mill era drive consistent demand. Emergency calls spike during cold snaps, while new construction and remodels pick up in spring. Costs stay reasonable compared to Milwaukee but labor shortages are pushing rates up. Most work involves service calls, water heater replacements, and dealing with aging cast iron in older neighborhoods near downtown. The market supports both one-person operations and larger shops serving commercial accounts from the port and industrial areas. Wisconsin's licensing requirements are straightforward but the apprenticeship takes commitment. Green Bay building department moves efficiently on permits and inspections if you know the process. Winter emergency work pays premium rates but you'll earn every dollar when it's minus-twenty and pipes are bursting. Establish relationships with property managers and HVAC contractors early - referrals drive this business more than advertising. Keep parts inventory for common repairs because supply runs in winter storms separate the pros from the wannabes.

Data Sources:

Licensed establishments count: U.S. Census BureauLicensing requirements: Wisconsin Department of Safety and Professional ServicesPermit requirements: Green Bay Building DepartmentCost ranges: Local market estimatesInsurance minimums: Wisconsin state regulations

Frequently Asked Questions

What license do I need to work as a plumber in Green Bay, WI?
Wisconsin requires a Master Plumber License through the Department of Safety and Professional Services (DSPS). You must complete a 4-year apprenticeship, pass written and practical exams, and maintain continuing education for renewal every 2 years.
How much does a typical service call cost in Green Bay?
Emergency service calls typically cost $200-500 in Green Bay, with premium rates during winter freeze emergencies. Standard service calls for repairs range $150-450 depending on complexity and parts needed.
Do I need permits for plumbing work in Green Bay?
Yes, Green Bay requires permits for water heater installations, new plumbing, sewer connections, and major repairs. Permits cost $50-200 depending on scope and must be obtained through the City of Green Bay Building Department.
When is peak season for plumbing work in Green Bay?
Peak season runs November through March due to heating system demands and freeze-related emergencies. Winter emergency calls command premium rates but require 24/7 availability during extreme cold periods.
What insurance is required for plumbers in Wisconsin?
Wisconsin mandates minimum $50,000 general liability insurance. Workers compensation insurance is required if you employ others. Professional liability coverage is recommended for larger commercial projects according to state licensing requirements.

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