Plumbing Contractor Permit Requirements in Billings, MT

Complete permit and license guide for starting a plumbing contractor in Billings, Yellowstone County, Montana.

$400 -- $1200 4–10 weeks to obtain all licenses 5 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Billings / Yellowstone County Requirements

3 requirements
1

Montana 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.

$100–$200 (initial)4–8 weeks
Official government source
2

City of Billings City Clerk — Business License

Billings requires a Business License for regulated businesses operating within city limits. The City Clerk's office processes applications. 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
Official government source
3

Yellowstone County / Billings 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
Official government source

Montana State Requirements

1 requirement
1

Montana — 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).

Free (business registration)Immediate (online via TransAction Portal)
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC or corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

Official Sources

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