Prime Contractor Rank #36
UBI: 602131472
Lic: COLUMHC887P5
Columbia Hydronics Company
Washington State public works contractor profile detailing awarded contract volumes, total project counts, top project awards, and county geographic distribution (2018–2025).
Total Awarded Spend
$7.15B
Total Projects
319
Columbia Hydronics Company Award Trends (2018–2025)
Dual line chart: Total Spend ($) solid blue line vs Total Projects dashed gold line
Total Spend ($)
Total Projects
Swipe horizontally to explore trends
County Geographic Footprint
King County
$4.29B
Pierce County
$513.62M
Clark County
$491.79M
Spokane County
$433.78M
Snohomish County
$380.34M
Benton County
$150.06M
Franklin County
$123.25M
Grant County
$117.92M
Kitsap County
$97.42M
Whatcom County
$96.45M
Lewis County
$88.15M
Whitman County
$79.29M
Thurston County
$58.79M
Yakima County
$41.61M
Chelan County
$37.56M
Cowlitz County
$32.75M
Kittitas County
$31.72M
Mason County
$26.20M
Skagit County
$25.03M
Klickitat County
$8.93M
Grays Harbor County
$6.18M
Lincoln County
$6.07M
Okanogan County
$5.61M
Pacific County
$3.48M
Asotin County
$1.88M
Island County
$1.79M
San Juan County
$1.32M
Jefferson County
$375.7K
Major Awarded Public Projects
Washington State Convention Center Addition
$900.00M
Awarding Agency: CONVENTION & TRADE CENTER, WASH STATE (King County)
Date: 2025-08-21
R200 Downtown Redmond Link Extension
$729.27M
Awarding Agency: SOUND TRANSIT (King County)
Date: 2025-07-02
UW Population Health Facility
$175.00M
Awarding Agency: University of Washington (King County)
Date: 2021-04-21
Behavioral Health Teaching Facility
$175.00M
Awarding Agency: University of Washington (King County)
Date: 2024-05-23
Mount Si High School Replacement
$171.17M
Awarding Agency: SNOQUALMIE VALLEY SCHOOL DISTRICT #410 (King County)
Date: 2020-03-31