Mobile Dog Grooming Permit Requirements in Seattle, WA

Complete permit and license guide for starting a mobile dog grooming in Seattle, King County, Washington.

Updated 2026-03-13 6 stops $300–$800 est. 1–3 weeks to complete all registrations
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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 stop

  1. EIN (Employer Identification Number)

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

    Official government source

    FreeImmediate (online application)

State of Washington

3 stops

  1. Washington State Business License

    Required for all businesses in Washington. Issued by the Department of Revenue. Registers the business for state B&O tax — grooming services fall under the service and other activities classification.

    Official government source

    $19/year1–2 weeks

  2. Commercial Vehicle Registration

    Your mobile grooming vehicle must be registered as a commercial vehicle with the Washington State Department of Licensing if used for business purposes. Weight class and use determine registration fees.

    Official government source

    $75–$250/year depending on vehicle weightSame day at licensing office

  3. WA Dept of Agriculture Pesticide License (if applicable)

    If your grooming services include application of flea/tick treatments or other pest control chemicals, you may need a pesticide applicator license from the Washington State Department of Agriculture.

    Official government source

    $55–$135/year2–4 weeks

City of Seattle / King County

2 stops

  1. Seattle Business License Tax Certificate

    Required for all businesses operating within Seattle. Issued by City of Seattle Finance and Administrative Services. Mobile groomers serving Seattle clients must hold a current certificate.

    Official government source

    $110/year1–2 weeks

  2. Mobile Grooming Vehicle Inspection

    Your grooming van or trailer should meet applicable sanitation standards for water supply, wastewater disposal, and electrical safety. King County does not require a specific mobile pet grooming permit, but vehicles must comply with general commercial vehicle regulations and may be subject to inspection.

    Official government source

    No separate feeVaries

Terminus

Open for business — est. $300–$800 · 1–3 weeks to complete all registrations

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Official Sources

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