Prime Contractor Rank #49
UBI: 601961605
Lic: TRENCCS013MW
TRENCHLESS CONST SERVICES LLC
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
$6.53B
Total Projects
358
TRENCHLESS CONST SERVICES LLC Award Trends (2018–2025)
Dual line chart: Total Spend ($) solid blue line vs Total Projects dashed gold line
Total Spend ($)
Total Projects
Swipe horizontally to explore trends
County Geographic Footprint
King County
$5.35B
Pierce County
$674.93M
Snohomish County
$540.65M
Whatcom County
$31.08M
Kitsap County
$17.61M
Skagit County
$14.86M
Yakima County
$13.72M
Chelan County
$9.49M
Mason County
$9.08M
Clallam County
$5.82M
Island County
$3.37M
San Juan County
$2.32M
Franklin County
$2.17M
Thurston County
$1.01M
Okanogan County
$401.4K
Cowlitz County
$234.3K
Major Awarded Public Projects
I-405, I-405/Brickyard to SR 527 Improvement Project - 009727
$834.00M
Awarding Agency: TRANSPORTATION, WASH STATE DEPT OF (King County)
Date: 2026-02-10
R200 Downtown Redmond Link Extension
$729.27M
Awarding Agency: SOUND TRANSIT (King County)
Date: 2024-08-14
East Link Extension Seattle to South Bellevue (Contract E130)
$665.00M
Awarding Agency: SOUND TRANSIT (King County)
Date: 2021-04-26
SR 520 Montlake to Lake Washington � I/C and Bridge Replacement
$455.46M
Awarding Agency: TRANSPORTATION, WASH STATE DEPT OF (King County)
Date: 2025-06-30
Northgate and East Link Extensions Systems Construction Heavy Civil GC/CM
$360.43M
Awarding Agency: CENTRAL PUGET SOUND REGIONAL TRANSIT AUTH (King County)
Date: 2026-02-10