Trade directory · Mandan metro · North Dakota

Plumbing contractors in
Mandan, North Dakota.

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

Licensed Establishments
324
U.S. Census Bureau
Peak Season
October through March - frozen pipes, heating system issues, and indoor projects during harsh winter months
Market estimate
Avg. Response Time
24-48 hours for quotes, emergency calls within 2-4 hours
Operator average
§ A · Market rates

Common Job Costs

MANDAN-ND · LOCAL ESTIMATES
Service
Description
Cost Range
Drain cleaning
Typical range based on local drain cleaning jobs.
$125 – $300
Water heater installation
Typical range based on local water heater installation jobs.
$800 – $2,200
Toilet replacement
Typical range based on local toilet replacement jobs.
$250 – $650
Kitchen sink installation
Typical range based on local kitchen sink installation jobs.
$200 – $500
Sewer line repair
Typical range based on local sewer line repair jobs.
$1,200 – $4,500
Faucet installation
Typical range based on local faucet installation jobs.
$150 – $400
§ B · Regulatory

Licensing Requirements

ND
§1

Licensing Requirements

North Dakota requires plumbers to obtain a state license through the State Plumbing Board. Apprentices need 8,000 hours of work experience under a licensed plumber, journeymen need additional 4,000 hours, then pass written and practical exams. Masters license requires 4 years as journeyman plus exam. Licenses renew annually with continuing education requirements.

§2

Permit Requirements

City of Mandan requires permits for most plumbing work including water heater installation, sewer connections, and new fixtures. Permit fees range from $25-150 depending on scope. Simple repairs like faucet replacement typically exempt.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection after completion. Water heater installations require inspection within 24 hours. Sewer connections need city inspector approval before backfill.

§4

Insurance Minimums

General liability minimum $300,000 recommended, workers compensation required if employing others. Bond requirements vary by municipality but typically $10,000-25,000 for larger commercial work.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Complete apprenticeship

Work 8,000 hours under licensed plumber supervision, typically 4 years full-time. Document experience with State Plumbing Board approved training program.

01/05
2

Apply for journeyman

Submit application with proof of apprenticeship hours, pass written exam covering codes and regulations. Pay licensing fees and provide references from supervising plumbers.

02/05
3

Gain journeyman experience

Work additional 4,000 hours as licensed journeyman, total 4 years minimum experience. Continue education requirements and maintain good standing with licensing board.

03/05
4

Master plumber exam

Pass comprehensive written and practical examination covering advanced plumbing systems, codes, and business practices. Submit detailed work experience documentation.

04/05
5

Maintain license

Renew annually with continuing education credits, typically 8-16 hours per year. Pay renewal fees and maintain required insurance and bonding coverage.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Mandan's plumber market serves roughly 22,000 residents plus commercial establishments, with about 324 licensed plumbing businesses statewide creating moderate competition. Winter drives heavy demand - frozen pipes, water heater failures, and indoor renovations keep crews busy October through March. Agricultural and oil industry facilities provide steady commercial work, while residential calls focus on older home repairs and new construction in growing subdivisions. Costs run slightly below national averages but winter emergency rates spike 25-50%. Getting licensed in North Dakota means grinding through 12,000 hours of apprenticeship and journeyman time before qualifying for the master's exam - no shortcuts. The State Plumbing Board runs a tight ship with annual renewals and continuing education requirements. Mandan's inspection department knows their stuff and expects code compliance, especially on gas water heaters and sewer connections. Smart contractors stock freeze-prevention supplies and charge premium rates for after-hours winter calls. Build relationships with local suppliers early - winter weather can delay shipments for days.

Data Sources
  • Licensed establishments count
    U.S. Census Bureau
  • Cost ranges
    Regional contractor estimates
  • Licensing requirements
    North Dakota State Plumbing Board
  • Permit requirements
    City of Mandan Building Department
  • Market conditions
    Regional contractor survey estimates
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

How much does a plumber license cost in North Dakota?

Initial licensing fees range from $75-200 depending on license level, plus exam fees around $150-250. Annual renewal runs $50-100. Factor in 12,000 hours of required experience before qualifying for master's license.

Q/02

What permits do I need for plumbing work in Mandan?

Most plumbing installations require city permits costing $25-150. Water heaters, sewer connections, and new fixtures all need permits. Simple repairs like faucet replacement are typically exempt according to Mandan building department.

Q/03

When is plumbing busiest in Mandan?

October through March drives peak demand due to frozen pipes, heating system failures, and indoor renovation projects during harsh winter weather. Emergency calls spike significantly during cold snaps below -10°F.

Q/04

How many licensed plumbers operate in North Dakota?

Approximately 324 licensed plumbing establishments operate statewide according to Census data, serving both residential and commercial markets across rural and urban areas.

Q/05

What insurance do plumbers need in Mandan?

General liability coverage minimum $300,000 recommended, workers compensation required for employees. Bonding typically $10,000-25,000 for larger commercial projects depending on municipal requirements.

§ F · Directory

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