Updated: May 15, 2026
Location and Projects
Address
6202 SE 22nd St, Mercer Island, WA, 98040
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Eightblox Construction
Eightblox LLC, 6202 SE 22nd St, Mercer Island, WA (Owned by: Katsoolis, Shane) holds a Construction Contractor, General license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 100 ranks in the top 13% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Eightblox LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Eightblox LLC Services
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Eightblox LLC Contact Information
Phone Number: (206) 919-4262
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Address: 6202 SE 22nd St, Mercer Island, WA 98040
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel of first floor & basement + new deck-siding
Valuation:
N/A
Permit #:
2404-220
Status:
issued
Fee:
$6,282
Permit Type:
N/A
Building Type:
N/A
Row for materials delivery
Valuation:
N/A
Permit #:
2505-085
Status:
issued
Fee:
$251
Permit Type:
N/A
Building Type:
N/A
624 sq ft lower addition 847 sq ft upper addtion
Valuation:
N/A
Permit #:
2308-092
Status:
issued
Fee:
$13,399
Permit Type:
N/A
Building Type:
N/A
Materials delivery - no lane closure
Valuation:
N/A
Permit #:
2410-159
Status:
issued
Fee:
$241
Permit Type:
N/A
Building Type:
N/A
Rev-create 845 sq ft adu within single family residence & interior remodel
Valuation:
N/A
Permit #:
2107-179
Status:
final
Fee:
$2,372
Permit Type:
N/A
Building Type:
N/A
1 meter and service branch, 1.25"supply line meter to house
Valuation:
N/A
Permit #:
2107-180
Status:
final
Fee:
$7,956
Permit Type:
N/A
Building Type:
N/A
Replace 4 trees
Valuation:
N/A
Permit #:
2408-203
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Modify laundry room; addition bathroom
Valuation:
N/A
Permit #:
2008-225
Status:
final
Fee:
$1,123
Permit Type:
N/A
Building Type:
N/A
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Eightblox LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Eightblox LLC License info
Verified License
| License # | EIGHTL*826QT |
| 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 Eightblox 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 # | EIGHTL*826QT |
| 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 Eightblox LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Certain Underwriter's At Lloyd |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
Eightblox LLC Employees
HN
Hana Nguyen
Partner/Member
KS
Katsoolis, Shane
Owner
SK
Shane Katsoolis
Partner/Member