Skip to main content
King County logo
  1. Invoices
  2. Past Due Invoices

Past Due Invoices

We can help!

Submit invoices to

invoices.ap@kingcounty.gov

Update vendor payment address

We'll need your... 

1.  PO number (7 digits)
2.  Copy of the invoice

Procurement and Payables Section

Chinook Building
401 Fifth Ave, 3rd Floor
Seattle, WA 98104
Hours: 8 a.m. - 4:30 p.m.

 Get directions
Contact Us

Contact us

Phone: 206-263-9400

TTY Relay: 711

Fax: 206-296-7676

Follow on LinkedIn

Follow on Twitter