Updated: May 26, 2026
Location
Address
8670 Road 10 NE, Moses Lake, WA, 98837
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Mainline Const Comp Construction
Mainline Const Comp LLC, 8670 Road NE, Moses Lake, WA (Owned by: Adamson, Kevin D) holds a Construction Contractor, General license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 94 ranks in the top 24% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mainline Const Comp LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mainline Const Comp LLC Services
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Mainline Const Comp LLC Contact Information
Phone Number: (509) 388-7392
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Address: 8670 Road 10 NE, Moses Lake, WA 98837
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Verified License
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Mainline Const Comp LLC License info
Verified License
| License # | MAINLCC822QB |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Mainline Const Comp LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MAINLCC822QB |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mainline Const Comp LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Western World Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
Mainline Const Comp LLC Employees
AD
Adamson, Kevin D
Owner
CW
Charles Widdis
Partner/Member
KA
Kevin Adamson
Partner/Member