Nail Salon Permit Requirements in Seattle, WA
Complete permit and license guide for starting a nail salon in Seattle, King County, Washington.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Seattle / King County Requirements
3 requirementsCity of Seattle — Business License Tax Certificate
All businesses operating in Seattle must obtain a Business License Tax Certificate from the Seattle Office of Arts & Culture / Seattle License and Tax Administration. Nail salons are classified as personal services businesses. Apply online through the Seattle Services Portal. Annual renewal required.
City of Seattle — Certificate of Occupancy
A Certificate of Occupancy from the Seattle Department of Construction & Inspections (SDCI) is required before opening a nail salon. The CO confirms the space is approved for personal services use. Contact SDCI at 206-684-8600.
Public Health — Seattle & King County — Cosmetology Establishment Permit
Nail salons in King County must obtain a Cosmetology Establishment Permit from Public Health — Seattle & King County. This includes a pre-opening inspection to verify sanitation, ventilation (critical for chemical-heavy nail services), and equipment compliance. Contact at 206-263-9566.
Washington State Requirements
3 requirementsWashington State Department of Licensing — Cosmetology Salon License
All nail salons in Washington State must be licensed by the Washington State Department of Licensing (DOL), Cosmetology Unit. The salon establishment license requires an application, on-site inspection, and compliance with RCW Chapter 18.16 and WAC Chapter 308-20. The salon must meet sanitation, equipment, ventilation, and facility standards.
Individual Nail Technician License (per employee)
Every nail technician working in the salon must hold a valid Washington State Nail Technician License issued by DOL. This requires completing an approved 600-hour nail technology program, passing a written and practical exam.
Washington State Business License
Most businesses operating in Washington must obtain a State Business License through the Washington Secretary of State / Department of Revenue. Apply through the My DOR portal. This also registers the business for state B&O tax.
Federal Requirements
2 requirementsEIN (Employer Identification Number)
Required if you have employees or operate as an LLC/corporation. Free from the IRS.
OSHA Hazard Communication Standard Compliance
Nail salons handle hazardous chemicals. OSHA requires Safety Data Sheets, employee training, and adequate ventilation (29 CFR 1910.1200).
Official Sources
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