Where to bid in SeaTac, WA

The City of SeaTac posts its bids and RFPs on its bid page. Contracts here can also come from King County and the State of Washington (Washington's Electronic Business Solution (WEBS)).

City of SeaTac

Bid on City contracts, RFPs and RFQs

Bid page checked, 2026-11-05.

King County, WA

Official website (look for Bids, Purchasing or Procurement)

Bid page not confirmed yet: start from the official site, 2026-11-05.

State of Washington

Washington's Electronic Business Solution (WEBS)

In SpendQuery: Public works awards, every public body

Bid page checked, 2026-11-05.

Nearby cities

SpendQuery links to SeaTac's own pages and doesn't copy their bids. Wrong or missing link?

All of Washington