Cost by county
Construction unit costs in King County, WA
Median awarded unit prices for 2 items on public projects in King County, from winning bids in agency bid tabulations. Each item page lists its source documents.
Cost by state › Washington › King County
| Item | Per | Median | Middle half | Winning bids | Latest source document |
|---|---|---|---|---|---|
| Inlet Protection | each | $116.34 | $107.50 – $150.00 | 12 | Mar 4, 2026, line 24 ↗ |
| Portable Changeable Message Sign | hour | $7.50 | $4.75 – $11.00 | 12 | Aug 12, 2026, line 7 ↗ |