Plumbing Contractor Permit Requirements in Great Falls, MT
Complete permit and license guide for starting a plumbing contractor in Great Falls, Cascade County, Montana.
Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.
Federal — start here
1 stopEIN (Employer Identification Number)
Required if you have employees or operate as an LLC or corporation. Free from the IRS.
Official government sourceFreeImmediate (online application)
Free
Immediate (online application)
State of Montana
1 stopMontana — No Sales Tax
Montana has no state or local sales tax. Businesses do not need a sales tax permit. However, businesses must register with the Montana Department of Revenue for applicable business taxes (e.g., withholding, corporate income tax if applicable).
Official government sourceFree (business registration)Immediate (online via TransAction Portal)
Free (business registration)
Immediate (online via TransAction Portal)
City of Great Falls / Cascade County
3 stopsMontana State Plumbing Board — Plumbing Contractor License
Plumbing contractors in Montana must hold a Plumbing Contractor License from the Montana State Plumbing Board. A licensed Master Plumber must be on staff.
Official government source$100–$200 (initial)4–8 weeks
$100–$200 (initial)
4–8 weeks
City of Great Falls City Clerk — Business License
Great Falls requires a Business License for regulated businesses. The City Clerk's office issues licenses and processes annual renewals. This license must be renewed annually and displayed at your place of business.
$50–$500/year depending on business type and gross revenues1–3 weeks
$50–$500/year depending on business type and gross revenues
1–3 weeks
Cascade County / Great Falls Plumbing Permit (per project)
A separate permit must be pulled with the local building/plumbing department for each job. Inspections are required upon job completion.
$50–$300 per project1–5 business days
$50–$300 per project
1–5 business days
Terminus
Open for business — est. $400–$1,200 · 4–10 weeks to obtain all licenses
Want this mapped to your exact business and structure, in filing order?
Official Sources
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