Updated: Apr 22, 2026
Location
Address
1510 OAK ST, Milton, WA, 98354
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Mountain Construction Serv LLC
Mountain Construction Serv LLC, 1510 Oak St, Milton, WA (Owned by: Nadeau, Patrick Jay) 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 Mountain Construction Serv LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mountain Construction Serv LLC Services
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Mountain Construction Serv LLC Contact Information
Phone Number: (253) 315-3102
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Address: 1510 OAK ST, Milton, WA 98354
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Verified License
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Mountain Construction Serv LLC License info
Verified License
| License # | MOUNTCS766NA |
| 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 Mountain Construction Serv 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 # | MOUNTCS766NA |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mountain Construction Serv 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 | Atlantic Cas Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Platte River Ins Co |
| Bond Value | $30,000 |
Mountain Construction Serv LLC Employees
NJ
Nadeau, Patrick Jay
Owner
PN
Patrick Nadeau
Partner/Member
SN
Stephanie Nadeau
Partner/Member