Renew a business license tax certificate

Your business license tax certificate is good for the year listed on it. By the end of each year, you must pay to renew your license tax certificate.

Your business license tax certificate expires on Dec. 31 each year


How to renew

To renew online, click the Seattle electronic filing system (SELF) button above.

To renew through the mail, send us your completed renewal form along with payment for your license tax certificate fee. Contact us if you need a business license tax certificate renewal form.

Penalties

The expiration date for all Seattle business license tax certificates is Dec. 31. We must receive your business license tax certificate renewal payment before Dec. 31. This table shows late-payment penalties:

Payment receivedPenalty
By Dec. 31 None
In January None (grace period)
In February $10
After February $20