Updated: May 11, 2026
Location
Address
15756 ASHWORTH AVE N, Shoreline, WA, 98133
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Greycoast Construction
Greycoast, 15756 Ashworth Ave N, Shoreline, WA (Owned by: Owner) holds a Construction Contractor, General license and 4 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 Greycoast, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Greycoast Services
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Greycoast Contact Information
Phone Number: (206) 856-4367
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Address: 15756 ASHWORTH AVE N, Shoreline, WA 98133
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Verified License
BuildZoom confirmed this contractor's license
Greycoast License info
Verified License
| License # | GREYC**784N2 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Individual |
| Business Type | Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Greycoast at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GREYC**784N2 |
| 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 Greycoast at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GREYC 859PT |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Individual |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Greycoast with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | GREYC859PT |
| Status | Inactive |
| State | Washington |
| Type | Construction 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 Greycoast 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 # | GREYC**859PT |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction 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 Greycoast 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 | Liberty Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $12,000 |
Greycoast Employees
ES
Eli Semke
Owner
O
Owner
Owner
SE
Semke, Eli
Governing Persons