Updated: May 12, 2026
Location
Address
10725 20TH PL W, Everett, WA, 98204
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Specialty Mechanical Services
Specialty Mechanical Services, 10725-20 Th Pl W, Everett, WA (Owned by: William Walker) holds a Plumbing Contractor, Backflow Specialty license and 3 other licenses 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 Specialty Mechanical Services, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Specialty Mechanical Services Contact Information
Phone Number: (425) 512-9761
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Address: 10725 20TH PL W, Everett, WA 98204
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Verified License
BuildZoom confirmed this contractor's license
Specialty Mechanical Services License info
Verified License
| License # | SPECIMS777DG |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Backflow Specialty |
| Class | Individual |
| Business Type | Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Specialty Mechanical Services at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SPECIMS779B7 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Limited Liability Company |
| Business Type | Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Specialty Mechanical Services at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SPECIMS779B7 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Individual |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Specialty Mechanical Services at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SPECIMS777DG |
| Status | Inactive |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Individual |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Specialty Mechanical Services 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 | Covington Specialty Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $6,000 |
Specialty Mechanical Services Employees
WW
Walker, William
Owner
WJ
Walker, William John
Owner
WW
William Walker
Owner