Catering Business Permit Requirements in Seattle, WA

Complete permit and license guide for starting a catering business in Seattle, King County, Washington.

$700 -- $1600 3–6 weeks to obtain permits and secure commissary 6 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Seattle / King County Requirements

3 requirements
1

King County Public Health Catering Establishment Permit

Required for all catering businesses operating in King County. Issued by Public Health — Seattle & King County. Caterers must operate from an approved commissary kitchen and undergo an inspection. Permit category and fee depend on annual food sales volume.

$400–$500/year2–4 weeks after application and inspection
Official government source
2

Seattle Business License Tax Certificate

Required for all businesses operating in Seattle. Issued by City of Seattle Finance and Administrative Services. Must be renewed annually.

$110/year1–2 weeks
Official government source
3

Commissary Kitchen Agreement

King County Public Health requires catering businesses to operate from a licensed commercial commissary kitchen for food prep, storage, and equipment cleaning. A signed agreement with the commissary must be submitted with your permit application.

$400–$1,200/month (commissary rental cost)Secured before permit application
Official government source

Washington State Requirements

2 requirements
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 and sales tax collection on taxable catering services.

$19/year1–2 weeks
Official government source
2

Food Worker Card

All food service employees in Washington State must obtain a Food Worker Card by completing an accredited food safety training course. Cards are valid for 2 years and must be obtained within 2 weeks of starting work.

$10 per employeeSame day (online or in-person course)
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

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

FreeImmediate (online application)
Official government source

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