Updated: May 26, 2026
Location and Projects
Address
PO BOX 590, Vashon, WA, 98070
Use our bidding system to
request a quote
Williams Heating Inc
Williams Heating Inc, Vashon, Po Box 590, Vashon, WA (Owned by: Williams, Dennis L) holds a Construction Contractor, General license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 97 ranks in the top 18% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Williams Heating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Williams Heating Inc Contact Information
Phone Number: (206) 463-9134
Edit
Address: PO BOX 590, Vashon, WA 98070
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct two column 24 x 44 canopy over exisitng fuel pump island and addition sign on each side of new canopy
Valuation:
$140,789
Permit #:
COMM15-0004
Status:
complete
Fee:
$2,970
Permit Type:
N/A
Building Type:
N/A
Oil furnace <100k btuh mechanical permit
Valuation:
N/A
Permit #:
B95A2622
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Williams heating
Valuation:
N/A
Permit #:
B93A4271
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
S 300 of trct 39 dockton less s 10
Valuation:
N/A
Permit #:
B95A1973
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # ALLCLCI933N7
Redmond, WA
128
BZ Score
$3.7K
Avg Project
-
Projects
129
BZ Score
$11.6K
Avg Project
-
Projects
129
BZ Score
$15.5K
Avg Project
-
Projects
Williams Heating Inc Reviews
BuildZoom hasn't received any reviews for Williams Heating Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Williams Heating Inc License info
License Not Verified
| License # | WILLIHI054JR |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of Williams Heating Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | WILLIHI975MU |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg Restricted |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Williams Heating 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 # | WILLIHI975MU |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Williams Heating Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | WILLIHI054JR |
| 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 Williams Heating Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Federated Service Ins Co |
| Bond Value | $12,000 |
Williams Heating Inc Employees
CW
Clayton Williams
Treasurer
DW
Dennis Williams
President
DW
Digby Williams
EW
Elsa Williams
JW
Janet Williams
Secretary
WD
Williams, Dennis
Agent
WL
Williams, Dennis L
Owner
WJ
Williams, Janet
Secretary