Trade directory · Milwaukee metro · Wisconsin

Plumbing contractors in
Milwaukee, Wisconsin.

A public directory of licensed plumbing contractors serving greater Milwaukee. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
1,922
U.S. Census Bureau
Peak Season
Winter months (November-March) due to frozen pipes and heating system issues
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency services
Operator average
Avg. Hourly Wage
$40/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

MILWAUKEE-WI · LOCAL ESTIMATES
Service
Description
Cost Range
Drain cleaning
Typical range based on local drain cleaning jobs.
$125 – $300
Toilet repair/replacement
Typical range based on local toilet repair/replacement jobs.
$150 – $450
Water heater installation
Typical range based on local water heater installation jobs.
$800 – $2,500
Faucet installation
Typical range based on local faucet installation jobs.
$175 – $400
Sewer line repair
Typical range based on local sewer line repair jobs.
$2,000 – $8,000
Pipe leak repair
Typical range based on local pipe leak repair jobs.
$200 – $800
§ B · Regulatory

Licensing Requirements

WI
§1

Licensing Requirements

Wisconsin requires plumber license through Department of Safety and Professional Services. Journeyman license requires 4-year apprenticeship plus exam. Master license requires additional 4 years experience plus exam. Renewal every 2 years with 24 hours continuing education.

§2

Permit Requirements

Milwaukee requires permits for water heater replacement, new plumbing installations, sewer connections, and bathroom/kitchen remodels. Permits range $45-200 depending on scope.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection upon completion. Water heater installations require inspection within 10 days.

§4

Insurance Minimums

Wisconsin requires $300,000 general liability and $50,000 property damage for licensed plumbers. Workers compensation required if employees.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Complete apprenticeship

Complete 4-year plumbing apprenticeship program registered with Wisconsin Department of Workforce Development, including 8,000 hours on-job training and 576 hours classroom instruction.

01/05
2

Apply for examination

Submit application to Wisconsin DSPS with proof of apprenticeship completion, transcripts, and $75 fee. Applications processed within 2-3 weeks.

02/05
3

Pass journeyman exam

Take and pass Wisconsin journeyman plumber examination covering codes, safety, and trade practices. Exam scheduled through PSI Services.

03/05
4

Obtain insurance

Secure required insurance coverage: minimum $300,000 general liability and $50,000 property damage. Provide certificates to licensing board.

04/05
5

Complete renewal requirements

Renew license every 2 years with $54 fee and 24 hours continuing education. Master license available after 4 additional years experience plus exam.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Milwaukee's plumber market runs steady year-round with 1922 licensed establishments statewide competing for work. Winter drives emergency calls from frozen pipes while summer brings bathroom remodels and new construction. Median wage hits $39.91 hourly, reflecting strong demand in this blue-collar city. Older housing stock means plenty of repair work, but material costs and permit delays can squeeze margins. You need a Wisconsin plumber license through DSPS - that's a 4-year apprenticeship minimum plus passing their exam. Milwaukee permit office moves slow, so factor that into timelines. Winter emergency work pays premium rates, but you'll need 24/7 availability. Keep continuing education current - they check renewals hard. Insurance minimums are $300K general liability. The work's there if you can handle the licensing hoops and winter service calls.

Data Sources
  • Median hourly wage
    Bureau of Labor Statistics Occupational Employment Statistics
  • Licensed establishments count
    U.S. Census Bureau County Business Patterns
  • Licensing requirements
    Wisconsin Department of Safety and Professional Services
  • Insurance requirements
    Wisconsin Administrative Code Chapter SPS 305
  • Permit requirements
    Milwaukee Building Inspection Department
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What does a plumber license cost in Wisconsin?

Wisconsin plumber licensing fees are $75 for initial license and $54 for biennial renewal, according to Wisconsin DSPS. Add exam fees and continuing education costs.

Q/02

How long does Milwaukee permit approval take?

Milwaukee Building Inspection Department typically processes plumbing permits within 3-5 business days for standard work, longer for complex projects requiring plan review.

Q/03

What's the average plumber wage in Milwaukee?

Bureau of Labor Statistics reports median hourly wage of $39.91 for plumbers in Wisconsin, equivalent to $83,013 annually for full-time work.

Q/04

Do I need insurance to work as a plumber in Wisconsin?

Wisconsin requires minimum $300,000 general liability and $50,000 property damage insurance for licensed plumbers, plus workers compensation if you have employees.

Q/05

How often do plumbers need continuing education in Wisconsin?

Wisconsin DSPS requires 24 hours of continuing education every 2 years for plumber license renewal, with specific requirements for code updates and safety training.

§ F · Directory

Plumbing contractors in Milwaukee

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