Updated: May 26, 2026
Location and Projects
Address
PO Box 1155, Seattle, WA, 98111
Use our bidding system to
request a quote
Washco Construction Co Inc
Washco Construction Co Inc, Seattle, Po Box 1155, Seattle, WA (Employees: Washington, George D and Washington, George David) holds a Construction Contractor, General license and 4 other licenses according to the Tukwila license board.
Their BuildZoom score of 96 ranks in the top 20% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Washco Construction Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Washco Construction Co Inc Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Flatwork Concrete
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Washco Construction Co Inc Contact Information
Phone Number: (206) 914-9942
Address: PO Box 1155, Seattle, WA 98111
Building Permits by Washco Construction Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition of carport permitted based on survey of structure not containing asbestos. alexander construction notified on 12/29/99 that they may need a letter of intent from psapca. i spoke with pat at l&i 1/7/99. she stated to myself and mr. faheem mujahid that he had been into their office earlier 1/7/99 and was told his license is suspended and will need a new bond and mr. majahid w... see more
Valuation:
N/A
Permit #:
BLD99-01788
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Sprinklers for the 1st and 3rd floors. seattle country day school
Valuation:
$245,927
Permit #:
6124244-FS
Status:
complete
Fee:
$1,787
Permit Type:
N/A
Building Type:
Single family/duplex
Drop off 6/29/07 - jsbm establish use as single family residence and construct one family dwelling with attached garage per plans
Valuation:
$434,324
Permit #:
6136769-CN
Status:
complete
Fee:
$6,011
Permit Type:
New
Building Type:
Single family/duplex
Closed as incomplete - expired permit construct 32 x 16 addition to existing single family residence subject to field inspection (stfi)
Valuation:
$57,357
Permit #:
6145899
Status:
Permit Closed
Fee:
$996
Permit Type:
Single family du...
Building Type:
N/A
Establish use as single family residence and construct one family dwelling per plans
Valuation:
$252,169
Permit #:
6085038
Status:
Permit Closed
Fee:
$4,610
Permit Type:
Single family du...
Building Type:
N/A
Construct retaining wall at parking pad for single family residence per plot plan & stfi
Valuation:
$0
Permit #:
687531
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Establish use as and construct new two family dwelling and occupy per plan
Valuation:
$0
Permit #:
729732
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Establish use as and construct new two family dwelling and occupy per plans
Valuation:
$0
Permit #:
729731
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Establish use as and construct new two family dwelling and occupy per plans
Valuation:
$0
Permit #:
729733
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wiring of new single family residence. 8/13/07 bew added lv security
Valuation:
$0
Permit #:
6144690
Status:
Permit Finaled
Fee:
$473
Permit Type:
Single family du...
Building Type:
N/A
Interior alterations to single family residence to wall off interior stairs to basement stfi to comply w/h925599
Valuation:
$0
Permit #:
673996
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Non-building_rock wall_retaining wall | construct 79 lf retaining wall and adding 60 cy of fill to make more yard and parking space
Valuation:
N/A
Permit #:
B05M0317
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 90% afue gas furnace
Valuation:
$0
Permit #:
6144692
Status:
Permit Finaled
Fee:
$103
Permit Type:
Single family du...
Building Type:
N/A
Wire new sf/r
Valuation:
$0
Permit #:
6041810
Status:
Permit Closed
Fee:
$566
Permit Type:
Single family du...
Building Type:
N/A
Lfd ltr sent 8/2/2010 lfd 8/15/2010 project cancelled per the 2006 sbc section 106.6.7 constuct partial 2nd floor addition to the existing single family residence per plan
Valuation:
$29,019
Permit #:
6176590-CN
Status:
canceled
Fee:
$752
Permit Type:
Add/alt
Building Type:
Single family/duplex
Washco Construction Co Inc Reviews
BuildZoom hasn't received any reviews for Washco Construction Co Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Washco Construction Co Inc License info
Verified License
| License # | WASHCCC826PE |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Washco Construction Co Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | WASHCCC826PE |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Washco Construction Co Inc 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 # | SHCCC880R7 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of Washco Construction Co Inc 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 # | WASHCCC880R7 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- 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.
Check this license's status for Washco Construction Co Inc 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 # | WASHCCC041B3 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor |
| Business Type | Corporation |
- 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.
Check this license's status for Washco Construction Co Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Interstate Fire & Casualty Com |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
11
Permits
- Building permit records show that Washco Construction Co Inc has worked on 11 permitted projects.
Washco Construction Co Inc Employees
WD
Washington, George D
WD
Washington, George David
President