How to file the seattle business license tax certificate (Seattle)
Apply online through FileLocal once the business has its Washington UBI number, or mail the paper application with payment. A physical business location is required; a P.O. box doesn't count.
- Agency
- City of Seattle Finance, License and Tax Administration
- Where it applies
- Seattle
- How it's filed
- Filed online
- Fee
- $73$73 in the first year (half if you start July 1 or later); after that $73 to $3,210 by the prior year's Seattle taxable revenue, plus $10 for each branch (2026 rates).
- How long it takes
- Online, the license can usually be printed 2 to 3 business days after payment; by mail it takes one to six weeks.
- Renewal
- Every year; all certificates expire December 31.
Official links
Checked against the agency's own page.
Was this page helpful?
Get the plan for your exact address
This guide covers the city. Your exact address decides the county, the health district and the zoning. Placetta maps every filing for it, fills the official forms from your details, adds the deadlines and puts them up for your approval.
- The full list for your address, in filing order
- The official forms, filled line by line
- Renewal and inspection reminders