Personal Trainer Permit Requirements in Seattle, WA

Complete permit and license guide for starting a personal trainer in Seattle, King County, Washington.

Updated 2026-03-13 5 stops $200–$600 est. 1–3 weeks for basic licensing; add 4–6 weeks if opening a studio
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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

2 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 obligations — personal training services are taxable under the service classification.

    Official government source

    $19/year1–2 weeks

  2. WA Health Studio Act Compliance (if applicable)

    If you operate a health club or studio that sells prepaid service contracts to consumers, you must comply with the Washington Health Studio Act (RCW 19.142). This requires a surety bond or certificate of deposit to protect consumer prepayments, and written contracts with cancellation rights.

    Official government source

    Bond amount varies (typically $5,000–$50,000)1–3 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. Personal trainers operating independently or owning a studio must hold this certificate.

    Official government source

    $110/year1–2 weeks

  2. Certificate of Occupancy (for studio)

    Required if you open a dedicated fitness studio space. The Seattle Department of Construction and Inspections (SDCI) issues a Certificate of Occupancy after confirming the space meets building and fire codes for the intended use.

    Official government source

    $200–$600 (building permit fees)2–6 weeks

Terminus

Open for business — est. $200–$600 · 1–3 weeks for basic licensing; add 4–6 weeks if opening a studio

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Official Sources

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