Checked September 27, 2026
How to find new business records in Washington
One record in Washington were read and checked against the same six questions. 1 is published where anyone can read it, 1 carries a date you can filter on, and 1 carries the premises address rather than a filing address. Published by City of Seattle.
1
record checked
1
published where anyone can read them
1
that carry a date you can filter on
1
class of record
Which of the record classes Washington publishes
| Class of record | Published in Washington | Carries a date |
|---|---|---|
| city and county licences and tax certificates | 1 of 1 | 1 of 1 |
Every record, with the facts that decide whether it is usable
Each cadence below is what the publisher’s own stamp said the day it was read.
City of Seattle
Business tax certificate · city and county licences and tax certificates
- Endpoint
- https://data.seattle.gov/resource/wnbq-64tb.json
- Date
- license_start_date
- Address
- Premises address, in the file
- Cadence
- daily, stamped 2026-09-27, 84,600 rows
- Terms
- free, public domain
City of Seattle only. It carries a code for what the business does, the ownership type and a trade name. The state's business lookup is a search form, not a file.
6 of six verified · read September 27, 2026
Doing this yourself
Take the 1 endpoint above and read it on a schedule. Nothing on this page is held back.
Working in Washington? Check your area.
Reading the records is the easy half. Type a city, county or ZIP and you will get the plain answer about whether the feeds behind it are running.
Check my area