Pressure Washing Business Permit Requirements in Missoula, MT

1. EIN (Employer Identification Number)

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

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

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).

   Official government source

   Free (business registration)·Immediate (online via TransAction Portal)

   Free (business registration)

   Immediate (online via TransAction Portal)

1. City of Missoula — Business License (Community Planning, Development & Innovation)

   Most businesses operating in Missoula must obtain a city business license through the Community Planning, Development & Innovation (CPDI) department, applied for via the city's online Permit and License Portal. State-licensed professionals (e.g., physicians, attorneys, real estate agents, insurance professionals, nail technicians) are exempt. General business licenses expire May 31 each year regardless of issue date and must be renewed annually.

   Official government source

   $60 per full-time-equivalent employee for a commercial location (minimum $240) or $40/FTE home-based (minimum $160); renewal $27/FTE (minimum $108) — CY2026 fee schedule, Resolution 8887·1–3 weeks

   $60 per full-time-equivalent employee for a commercial location (minimum $240) or $40/FTE home-based (minimum $160); renewal $27/FTE (minimum $108) — CY2026 fee schedule, Resolution 8887

   1–3 weeks

2. Missoula County / Missoula Environmental Compliance — Stormwater Permit

   Missoula prohibits discharging pressure-washing wastewater to storm drains under its stormwater program. Operators must capture wash water and dispose of it to the sanitary sewer or an approved facility. No dedicated local stormwater permit for pressure washers is published; state MPDES permits apply only to certain regulated discharges.

   Official government source

   $0 — no dedicated local permit is published; compliance (containment and proper disposal) is the requirement·1–4 weeks

   $0 — no dedicated local permit is published; compliance (containment and proper disposal) is the requirement

   1–4 weeks

Official Sources

• City of Missoula City Clerk
• Montana — No Sales Tax

Related Guides