Seattle business licenses and taxes

If you do business in Seattle, you must:

You can manage all your needs online, including applying and renewing your license and filing and paying your taxes.

Regulatory endorsements

The City of Seattle regulates taxis, adult entertainment, towing companies and some other business types. These businesses require both a standard business license tax certificate and a regulatory endorsement added to the license tax certificate. For more information, see businesses that require a regulatory endorsement.

Supporting business in Seattle

In addition to the helpful information on these pages, the Office of Economic Development's Grow Seattle program offers resources and assistance for starting and growing a business in Seattle.


City tax laws
City tax rules

Contact us

Business license tax certificates and taxes

Visit us

Seattle Municipal Tower
700 Fifth Ave.
42nd floor
Seattle, WA 98124

Open Monday through Friday
8 a.m. to 5 p.m.

Mailing Address
P.O. Box 34214
Seattle, WA 98124-4214