Personal Trainer Permit Requirements in Seattle, WA

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

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Washington State Business License

   Required for most businesses in Washington - including any grossing $12,000 a year or more, collecting sales tax, hiring employees, or needing endorsements. Issued by the Department of Revenue through the Business License Application. It registers the business for state B&O tax; personal training services are taxable under the service classification.

   Official government source

   $50 Business License Application processing fee to open or reopen a business; $0 to add a location; $10 for any other change (hiring employees, registering a trade name, adding endorsements to an existing location); $5 annual renewal processing fee. Endorsement fees are charged in addition.·About 10 business days for online applications, plus another 2-3 weeks if city or state endorsements need approval; mailed applications can take up to 6 weeks.

   $50 Business License Application processing fee to open or reopen a business; $0 to add a location; $10 for any other change (hiring employees, registering a trade name, adding endorsements to an existing location); $5 annual renewal processing fee. Endorsement fees are charged in addition.

   About 10 business days for online applications, plus another 2-3 weeks if city or state endorsements need approval; mailed applications can take up to 6 weeks.

2. Washington Health Studio Act Compliance (RCW 19.142)

   If you sell instruction, training, or facility use aimed at improving physical condition, you are a 'health studio' under the Washington Health Studio Act (RCW 19.142) and must use written contracts with the required cancellation rights and disclosures. If you collect any money from members before the facility opens, all of it must go into a dedicated trust account at a federally insured Washington financial institution (RCW 19.142.060) - withdrawals cannot begin until 30 days after the entire facility opens - or you must instead post a $150,000 surety bond running to the state (RCW 19.142.070). Solo trainers who work in a client's home or a gym they do not operate, and who take no pre-opening prepayments, generally are not covered.

   Official government source

   No license or registration fee. Pre-opening sales require either a trust account holding all prepayments or a $150,000 surety bond running to the state of Washington (RCW 19.142.070); bond premiums vary by surety.·Not applicable - there is no application or approval process. The trust account or bond must be in place before any pre-opening sales, and the attorney general's office must be notified in writing within 7 days of the first trust deposit.

   No license or registration fee. Pre-opening sales require either a trust account holding all prepayments or a $150,000 surety bond running to the state of Washington (RCW 19.142.070); bond premiums vary by surety.

   Not applicable - there is no application or approval process. The trust account or bond must be in place before any pre-opening sales, and the attorney general's office must be notified in writing within 7 days of the first trust deposit.

1. Seattle Business License Tax Certificate

   Required for all businesses operating within Seattle, issued by Seattle City Finance (License and Tax Administration). Personal trainers working independently or owning a studio must hold this certificate. The certificate is required regardless of revenue. Seattle B&O tax is owed only above $2,000,000 in annual Seattle taxable gross revenue (threshold raised from $100,000 effective January 1, 2026, with a new $2,000,000 standard deduction), but you must still file and report gross revenue each year. Businesses with $4,000 or less of Seattle revenue and no place of business in the city are exempt from the certificate requirement as of 2026.

   Official government source

   2026 annual fee by Seattle taxable revenue: $73 (under $20,000), $147 ($20,000-$499,999), $667 ($500,000-$1,999,999), $1,604 ($2,000,000-$4,999,999), $3,210 ($5,000,000 or more), plus $10 per branch location. Businesses starting July 1 or later pay half the first-year fee.·Filed online through FileLocal the certificate is usually printable within 2-3 business days; by mail it takes one to six weeks. All certificates expire Dec. 31 and must be renewed annually.

   2026 annual fee by Seattle taxable revenue: $73 (under $20,000), $147 ($20,000-$499,999), $667 ($500,000-$1,999,999), $1,604 ($2,000,000-$4,999,999), $3,210 ($5,000,000 or more), plus $10 per branch location. Businesses starting July 1 or later pay half the first-year fee.

   Filed online through FileLocal the certificate is usually printable within 2-3 business days; by mail it takes one to six weeks. All certificates expire Dec. 31 and must be renewed annually.

2. Certificate of Occupancy (for studio)

   Required if you build out a dedicated fitness studio with new construction or a change of use. SDCI issues the Certificate of Occupancy through a construction or Establishing Use permit once the space is confirmed to meet building and fire codes for the intended use. Studios with an occupant load of 50 or more are Group A-3 assembly occupancy and also need a Seattle Fire assembly permit. Contact SDCI at 206-684-8600.

   Official government source

   No flat fee. SDCI charges value-of-construction-based permit and plan-review fees plus hourly review at the 2026 base rate of $292/hour, with a $292 minimum. Where there is no construction work, the minimum building permit fee ($292) applies plus hourly charges for records research, plan examination, or inspection; a temporary Certificate of Occupancy costs half the base fee ($146) and a duplicate certificate $48.85. Use SDCI's 2026 Fee Estimator for your project.·Varies widely. Simple subject-to-field-inspection permits can be issued within 48 hours; projects needing full plan review go through multiple correction cycles and commonly take months. SDCI publishes no standard turnaround - 75% of plan review and permit fees are due at application and the balance before issuance.

   No flat fee. SDCI charges value-of-construction-based permit and plan-review fees plus hourly review at the 2026 base rate of $292/hour, with a $292 minimum. Where there is no construction work, the minimum building permit fee ($292) applies plus hourly charges for records research, plan examination, or inspection; a temporary Certificate of Occupancy costs half the base fee ($146) and a duplicate certificate $48.85. Use SDCI's 2026 Fee Estimator for your project.

   Varies widely. Simple subject-to-field-inspection permits can be issued within 48 hours; projects needing full plan review go through multiple correction cycles and commonly take months. SDCI publishes no standard turnaround - 75% of plan review and permit fees are due at application and the balance before issuance.

Official Sources

• City of Seattle: Business License Tax Certificate
• Washington DOR: Apply for a Business License
• WA State Legislature: Health Studio Act (RCW 19.142)

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