Plumbing contractors in
Billings, Montana.
A public directory of licensed plumbing contractors serving greater Billings. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
Common Job Costs
Licensing Requirements
Licensing Requirements
Montana requires plumbers to obtain a license through the Montana Department of Labor and Industry. Must complete 4-year apprenticeship or equivalent experience, pass written and practical exams. Journeyman license required before working independently. Master plumber license available after additional experience and examination. Renewal every 2 years with continuing education requirements.
Permit Requirements
City of Billings requires permits for water heater installation, new plumbing installations, sewer line work, and gas line connections. Permit fees range from $35-150 depending on scope. Available through Billings Building Division.
Inspection Schedule
Rough-in inspection before covering work, final inspection upon completion. Gas line work requires separate gas inspection. City inspector must approve before covering pipes or connecting to municipal systems.
Insurance Minimums
Montana requires general liability insurance minimum $300,000. Workers compensation required for employees. Bonding requirements vary by municipality - Billings requires $10,000 bond for contractor registration.
How to Get Licensed
Complete apprenticeship
Enroll in Montana Department of Labor approved plumbing apprenticeship program. Complete 8,000 hours on-the-job training and 576 hours classroom instruction over 4 years.
Submit application
File journeyman plumber application with Montana Department of Labor and Industry. Include proof of apprenticeship completion, employment verification, and $100 application fee.
Pass examinations
Schedule and pass both written examination covering codes and theory, plus practical hands-on examination. Pay $75 examination fee. Minimum 70% score required on both tests.
Obtain insurance
Secure general liability insurance minimum $300,000 and workers compensation if hiring employees. Provide proof of insurance with license application.
Register with municipality
Register as contractor with City of Billings if working within city limits. Submit $10,000 bond, insurance proof, and registration fee. Renew annually.
Maintain license
Renew Montana plumber license every 2 years with $60 fee and required continuing education hours. Keep current with code changes and safety training.
About This Market
Billings plumber market serves 110,000 residents with approximately 669 licensed establishments statewide creating moderate competition. Demand driven by aging housing stock built in 1960s-80s, harsh winter freeze-thaw cycles causing pipe failures, and steady new construction in Heights and West End. Oil and gas industry workers drive higher-end residential work, while commercial projects center around healthcare facilities and hospitality. Costs run 10-15% below national averages but winter emergency calls command premium rates. Getting licensed in Montana means navigating a traditional apprenticeship system - no shortcuts here. Complete your 4-year program, pass both written and practical exams, then work under a master before going independent. Billings requires city contractor registration and bonding. Winter separates the pros from the weekend warriors - invest in proper frozen pipe equipment and charge accordingly. Commercial work requires prevailing wage knowledge for public projects. Gas work needs separate endorsement and creates steady income from furnace season.
- Licensed establishmentsU.S. Census Bureau - County Business Patterns
- Licensing requirementsMontana Department of Labor and Industry
- Permit requirementsCity of Billings Building Division
- Insurance minimumsMontana Department of Labor and Industry
- Cost estimatesLocal contractor surveys and market analysis
Frequently Asked Questions
How much does a plumber license cost in Montana?
Montana plumber licensing fees include $100 application fee, $75 examination fee, and $60 biennial renewal fee. Total initial cost approximately $175 plus examination preparation materials and continuing education.
Do I need a permit to replace a water heater in Billings?
Yes, Billings requires permits for water heater replacement. Permit costs $45 for gas units, $35 for electric. Must be installed by licensed plumber and pass city inspection before approval.
What insurance do plumbers need in Montana?
Montana requires general liability insurance minimum $300,000 and workers compensation if you have employees. Billings requires $10,000 contractor bond for city registration. Many contractors carry $1 million liability for commercial work.
How long does it take to get a plumber license in Montana?
Montana requires 4-year apprenticeship program totaling 8,000 hours on-the-job training plus 576 classroom hours. After completion, allow 4-6 weeks for application processing and examination scheduling.
What are peak months for plumber work in Billings?
Winter months December through February see highest emergency call volume due to frozen pipes and heating system failures. Spring also busy with irrigation system startups and winter damage repairs. Summer typically slowest period.
Plumbing contractors in Billings
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