Trade directory · St Paul metro · Minnesota

Plumbing contractors in
St Paul, Minnesota.

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

Licensed Establishments
1,844
U.S. Census Bureau
Peak Season
November through March - frozen pipes, heating system failures, and winter emergencies drive demand
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency calls
Operator average
Avg. Hourly Wage
$40/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

ST PAUL-MN · LOCAL ESTIMATES
Service
Description
Cost Range
Drain cleaning
Typical range based on local drain cleaning jobs.
$150 – $350
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Toilet replacement
Typical range based on local toilet replacement jobs.
$300 – $800
Pipe repair/replacement
Typical range based on local pipe repair/replacement jobs.
$200 – $1,200
Fixture installation
Typical range based on local fixture installation jobs.
$250 – $600
Sump pump installation
Typical range based on local sump pump installation jobs.
$800 – $2,000
§ B · Regulatory

Licensing Requirements

MN
§1

Licensing Requirements

Minnesota requires plumber license through Department of Labor and Industry. Master plumber license requires 4-year apprenticeship plus 2 years journeyman experience, or equivalent. Journeyman requires 4-year apprenticeship or 8000 hours supervised work plus technical training. Written exam required. Renewal every 3 years with 16 hours continuing education.

§2

Permit Requirements

St Paul requires permits for water heater replacement, new plumbing installations, and major repairs. Permit fees range $50-200. Applications through City of St Paul building department.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection before occupancy. Water heater replacement requires inspection within 24 hours of completion.

§4

Insurance Minimums

Minnesota requires $50,000 general liability insurance minimum for licensed plumbers. Workers compensation required for employees.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Complete apprenticeship or equivalent experience

Complete 4-year registered apprenticeship program or accumulate 8,000 hours supervised work experience plus required technical training hours

01/05
2

Submit application and documentation

Submit license application to Minnesota Department of Labor and Industry with proof of training, experience verification, and required fees

02/05
3

Pass written examination

Schedule and pass state plumbing examination covering codes, regulations, and trade practices. Exam fee approximately $100

03/05
4

Obtain required insurance

Secure minimum $50,000 general liability insurance and workers compensation if employing others

04/05
5

Maintain license and continuing education

Renew license every 3 years with 16 hours continuing education and renewal fees

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

St Paul's plumber market runs steady year-round with 1844 licensed establishments across Minnesota competing for work. Median wage hits $40.13/hour, reflecting decent demand from the metro's aging housing stock and brutal winters that regularly freeze pipes and kill water heaters. Emergency calls during cold snaps command premium rates, while summer sees more planned replacements and remodeling work. Competition stays fierce in the metro but work volume supports the contractor base. Getting licensed in Minnesota means serious commitment - 4-year apprenticeships aren't negotiable and the state board doesn't mess around with shortcuts. St Paul's permit process runs smoother than Minneapolis but still requires planning ahead for inspections. Winter emergency work pays best but tears up your schedule and equipment. Smart contractors build relationships with property management companies and HVAC outfits for steady referral work. The licensing requirements keep fly-by-night operators out, so established contractors with proper credentials can command fair rates.

Data Sources
  • Median hourly wage $40.13/hr
    Bureau of Labor Statistics
  • 1844 licensed establishments in MN
    U.S. Census Bureau
  • Licensing requirements and fees
    Minnesota Department of Labor and Industry
  • Permit requirements
    City of St Paul Building Department
  • Insurance minimums
    Minnesota contractor licensing board
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What does a plumber license cost in Minnesota?

Initial license fees range $75-150 depending on license type, plus exam fees around $100. Apprenticeship programs cost $500-2000. Source: Minnesota Department of Labor and Industry.

Q/02

How long does it take to become a licensed plumber in Minnesota?

Minimum 4 years for journeyman through apprenticeship program, plus 2 additional years experience for master plumber license. Source: Minnesota plumber licensing board.

Q/03

What's the average plumber wage in Minnesota?

Median hourly wage is $40.13 ($83,470 annually) according to Bureau of Labor Statistics data. Emergency and master plumbers typically earn above median.

Q/04

Do I need permits for water heater replacement in St Paul?

Yes, St Paul requires permits for water heater replacement. Permit fees typically $50-100, inspection required within 24 hours. Source: City of St Paul building department.

Q/05

How many plumbing contractors operate in Minnesota?

Approximately 1,844 licensed plumbing establishments operate statewide according to Census data, with highest concentration in Twin Cities metro area.

§ F · Directory

Plumbing contractors in St Paul

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