Mobile Car Wash Permit Requirements in Provo, UT

Complete permit and license guide for starting a mobile car wash in Provo, Utah County, Utah.

Verified 2026-08-27 9 stops $150–$500 est. 2–4 weeks to obtain business license and comply with stormwater regulations
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Not legal advice. Requirements may change — always verify with your local government authority before applying. Key agencies and fees on this page were re-checked against official government sources on .

Federal — start here

2 stops

  1. EIN (Employer Identification Number)

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

    Official government source

    FreeImmediate (online application)

  2. EPA Stormwater Compliance — Clean Water Act Section 402

    Mobile car wash operations that discharge wash water are subject to the federal Clean Water Act. The EPA's National Pollutant Discharge Elimination System (NPDES) prohibits discharge of polluted wash water to storm drains or waterways without a permit. Most mobile operators achieve compliance by using containment systems and disposing of water via sanitary sewer. Larger operations (e.g., fleet washing facilities) may require an NPDES permit.

    Official government source

    Free (containment equipment: $200–$1,500)Before first wash

State of Utah

3 stops

  1. Utah Business Registration

    Mobile car wash and auto detailing businesses structured as an LLC, corporation, or partnership must register with the Utah Division of Corporations and Commercial Code (file online at businessregistration.utah.gov). Sole proprietors using a trade name must register the DBA with the same state division. An LLC is recommended to protect personal assets, as mobile operations working at customers' properties carry inherent liability. Registrations renew annually.

    Official government source

    $59 LLC/corporation filing; $22 DBA registration; $18/year annual renewal (FY2026 fee schedule)1–7 business days

  2. Utah Environmental / Stormwater Compliance

    Mobile car wash operations generate wastewater containing detergents, surfactants, oils, and road grime. Utah environmental regulations — consistent with federal Clean Water Act requirements — prohibit discharge of this wash water to storm drains, street gutters, or waterways. Operators must use a wastewater containment mat and recovery system (wet/dry vacuum or pump), or must ensure wash water flows to a sanitary sewer inlet. Operators using hazardous cleaning solvents or degreasers may require a state permit. Contact the Utah Department of Environmental Quality for compliance guidance.

    Official government source

    Free–$200 (registration or permit fee, if required)1–4 weeks (if permit required; otherwise immediate with self-compliance)

  3. Utah Sales Tax Registration

    Hand car washing and auto detailing are taxable in Utah: under Utah State Tax Commission Publication 25, assisted car washes — where cleaning labor is primarily performed by a person — are subject to sales tax (only unassisted, machine-only washes are exempt). Register for a free Utah sales tax license through Taxpayer Access Point (tap.utah.gov), collect the applicable state and local sales tax from customers, and remit on the required schedule.

    Official government source

    FreeImmediate–1 week (online)

City of Provo / Utah County

4 stops

  1. Provo General Business License

    Mobile car wash and detailing businesses based in Provo need a city business license, renewed annually. If the business is based at a residence, Provo's Home-Based Business Permit applies instead - free for a minor home occupation.

    Official government source

    $125/year base commercial license (0-5 employees); $0 minor home-based business permit1–2 weeks

  2. Provo Stormwater / Wastewater Discharge Compliance

    Provo prohibits the discharge of mobile car wash wastewater into storm drains, gutters, or waterways. Wash water contains detergents, oils, and road grime that are harmful to local waterways. Operators must: (1) use a portable containment berm or mat to capture runoff, (2) vacuum up wash water with a wet/dry vac or pump, and (3) dispose of collected water at an approved sanitary sewer access point or licensed disposal facility. The city's Public Works or Stormwater division may conduct inspections. Violations may result in fines.

    Official government source

    $0 - no registration or permit fee; compliance costs are containment/recovery equipment and proper disposal1–3 weeks (self-certify compliance before operating)

  3. Hazardous-Material Handling Practices (no county registration exists)

    Utah County has no chemical-use registration for mobile detailing businesses. You must still handle degreasers and solvents responsibly: keep Safety Data Sheets, store chemicals securely, and never discharge them to storm drains - illicit-discharge rules and state/federal waste rules apply. No county registration or fee is involved.

    $0 - no registration program or fee exists1–2 weeks

  4. Provo Home-Based Business Permit (if operating from residence)

    Mobile car wash operators who base the business at a Provo residence use the city's Home-Based Business Permit - free for a minor home occupation (no customer traffic, no employees working at the home). Operations with client visits or other off-site impact are major home occupations and pay a fee per the Consolidated Fee Schedule. Commercial-scale chemical storage at a residence is restricted regardless.

    Official government source

    Free for a minor home occupation; major home occupations per Provo's Consolidated Fee Schedule1–3 weeks

Terminus

Open for business — est. $150–$500 · 2–4 weeks to obtain business license and comply with stormwater regulations

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