Trade directory · Great Falls metro · Montana

Plumbing contractors in
Great Falls, Montana.

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

Licensed Establishments
669
U.S. Census Bureau
Peak Season
October through March - heating system issues and frozen pipe repairs drive demand during Montana winters
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

GREAT FALLS-MT · LOCAL ESTIMATES
Service
Description
Cost Range
Basic drain cleaning
Typical range based on local basic drain cleaning jobs.
$125 – $300
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Toilet installation
Typical range based on local toilet installation jobs.
$200 – $500
Kitchen sink installation
Typical range based on local kitchen sink installation jobs.
$300 – $800
Main sewer line repair
Typical range based on local main sewer line repair jobs.
$2,500 – $8,000
Faucet replacement
Typical range based on local faucet replacement jobs.
$150 – $400
§ B · Regulatory

Licensing Requirements

MT
§1

Licensing Requirements

Montana requires plumber license through Department of Labor and Industry. Must complete 4-year apprenticeship or equivalent experience, pass state exam covering codes and safety. Journeyman license requires 8,000 hours experience. Master plumber needs additional 4,000 hours plus business/law exam. Biennial renewal required.

§2

Permit Requirements

City of Great Falls requires permits for water heater replacement, new installations, and major repairs over $500. Submit plans to Building Department, $75-200 permit fees typical.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection after completion. Schedule 48 hours in advance with city inspector.

§4

Insurance Minimums

General liability $300,000 minimum required for city permits. Workers compensation mandatory for employees. Professional liability recommended at $500,000.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Complete Apprenticeship

Complete 4-year plumbing apprenticeship program totaling 8,000 hours of supervised work experience, or demonstrate equivalent experience through documented work history

01/06
2

Submit Application

File application with Montana Department of Labor and Industry, Board of Plumbers, including proof of experience, education transcripts, and application fee

02/06
3

Pass State Exam

Take and pass Montana plumbing examination covering state codes, safety regulations, and trade practices. Exam scheduled through state testing provider

03/06
4

Obtain Insurance

Secure required general liability insurance and workers compensation coverage meeting state minimums before license activation

04/06
5

Register with Local Authority

Register with Great Falls Building Department to obtain local permits. May require additional bonding or insurance verification

05/06
6

Maintain License

Complete continuing education requirements and submit biennial renewal with fees to maintain active license status

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Great Falls plumbing market serves 60,000 residents with aging housing stock driving steady repair demand. Winter freeze-thaw cycles create seasonal spikes in pipe repairs and water heater failures. Competition comes from approximately 25-30 active contractors among Montana's 669 licensed establishments. Costs run 10-15% below national averages but winter emergency calls command premium rates. Residential service dominates, with some commercial work from Malmstrom Air Force Base and downtown businesses.

Get your Montana plumber license sorted first - the state takes apprenticeship requirements seriously and there's no shortcuts. Great Falls building department moves fast on permits if you submit clean paperwork. Stock up on freeze protection gear and market winter services hard - that's where the money is. Build relationships with HVAC contractors for referrals since heating and plumbing emergencies often overlap. Keep a 24-hour emergency number running October through March or you're leaving money on the table.

Data Sources
  • Licensed establishments in MT
    U.S. Census Bureau
  • Cost estimates
    Local contractor survey estimates
  • Licensing requirements
    Montana Department of Labor and Industry
  • Permit requirements
    City of Great Falls Building Department
  • Population data
    U.S. Census Bureau
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

How much does a plumber license cost in Montana?

Montana plumber licensing fees are approximately $200-400 including application and exam fees, with biennial renewal around $150. Apprenticeship programs cost varies by provider.

Q/02

What's the average cost for emergency plumber service in Great Falls?

Emergency plumber calls in Great Falls typically run $200-400 minimum, with hourly rates of $125-200. Winter frozen pipe emergencies command premium rates due to high demand.

Q/03

How long does it take to get a plumber license in Montana?

Montana requires 4-year apprenticeship (8,000 hours) for journeyman license. Processing time for license application is typically 4-6 weeks after completing requirements and passing state exam.

Q/04

Do I need a permit for water heater replacement in Great Falls?

Yes, Great Falls requires permits for water heater replacement. Permit fees range $75-200 depending on scope. Submit application to City Building Department with equipment specifications.

Q/05

What insurance do plumbers need in Great Falls MT?

Montana requires general liability minimum $300,000 for permit work, plus workers compensation for employees. City of Great Falls may require additional bonding for larger commercial projects.

§ F · Directory

Plumbing contractors in Great Falls

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