Payment and invoices

Seattle Housing Authority will generally issue payment for goods and services received within 30 days of receipt of an invoice or pursuant to the terms of the specific contract, if different from this general policy.

  • Vendors must indicate the purchase order or contract number on all invoices, correspondence, and any related documents regarding a contract or purchase order. 
  • Vendors may ship partial orders and submit partial invoices, unless the purchase order or contract directs otherwise. 
  • Vendors and contractors must address all invoices to the Seattle Housing Authority or as indicated in the contract/purchase order, or as otherwise instructed.

Seattle Housing Authority
101 Elliott Ave W, Suite 100
PO Box 79015
Seattle, WA 98119

An incorrect billing address may cause a delay in payment. 


Submit invoices to our automated system by emailing them to (Please do not use this email for correspondence. It is not monitored for messages.)

To contact Accounts Payable staff, email