Updated: May 17, 2026
Location and Projects
Address
225 TACOMA BLVD, Auburn, WA, 98001
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Bill Twombly Construction
Bill Twombly LLC, 225 Tacoma Blvd, Auburn, WA (Owned by: Twombly, William Michael) holds a Construction Contractor, Sanitation System / Side Sewers 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 Bill Twombly LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Bill Twombly LLC Services
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Bill Twombly LLC Contact Information
Phone Number: (206) 786-3570
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Address: 225 TACOMA BLVD, Auburn, WA 98001
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new sewer stub from main in easement at back of property to property line. cut in new pvc tee suing strong-back fernco coupling
Valuation:
N/A
Permit #:
SS17006081
Status:
complete
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Type: public works class: stand alone, , connect house to city sewer and abandon septic tank
Valuation:
N/A
Permit #:
PUB16-09431
Status:
final
Fee:
$3,702
Permit Type:
N/A
Building Type:
N/A
Install side sewer from house to stub at back of property
Valuation:
N/A
Permit #:
SS17006080
Status:
Issued
Fee:
$3,099
Permit Type:
N/A
Building Type:
N/A
Otcp - construct of 30x50 detached garage/storage barn
Valuation:
$59,415
Permit #:
ADDC12-0172
Status:
complete
Fee:
$3,060
Permit Type:
N/A
Building Type:
N/A
Construct addition to and alterations to existing single family dwelling subject to field inspection
Valuation:
$40,000
Permit #:
6131327
Status:
Permit Closed
Fee:
$797
Permit Type:
Single family du...
Building Type:
N/A
Addition to existing detached garage
Valuation:
$10,206
Permit #:
B08M2029
Status:
complete
Fee:
$904
Permit Type:
N/A
Building Type:
N/A
Roy tongue|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all ac... see more
Valuation:
N/A
Permit #:
PW21-0127
Status:
canceled
Fee:
N/A
Permit Type:
Type c
Building Type:
N/A
Valley view sewer district|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of ... see more
Valuation:
N/A
Permit #:
PW21-0118
Status:
canceled
Fee:
N/A
Permit Type:
Type c
Building Type:
N/A
When submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all acts required... see more
Valuation:
N/A
Permit #:
PW21-0112
Status:
canceled
Fee:
N/A
Permit Type:
Type c
Building Type:
N/A
Side sewer
Valuation:
N/A
Permit #:
11 118699 UA
Status:
expired
Fee:
$531
Permit Type:
N/A
Building Type:
N/A
Remove interior wall board from walls interior and ceiling. re-insulate as needed. does not include mechanical or plumbing or electrical. *11-110238ea*
Valuation:
N/A
Permit #:
11 114201 BT
Status:
expired
Fee:
$279
Permit Type:
N/A
Building Type:
N/A
Remove interior wall board from walls interior and ceiling. re-insulate as needed. does not include mechanical or plumbing or electrical. *11-110238ea*
Valuation:
N/A
Permit #:
11 114200 BT
Status:
expired
Fee:
$279
Permit Type:
N/A
Building Type:
N/A
Remove interior wall board from walls interior and ceiling. re-insulate as needed. does not include mechanical or plumbing or electrical. *11-110238ea*
Valuation:
N/A
Permit #:
11 114199 BT
Status:
expired
Fee:
$279
Permit Type:
N/A
Building Type:
N/A
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Bill Twombly LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Bill Twombly LLC License info
Verified License
| License # | ALPACSI779KP |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Sanitation System / Side Sewers |
| 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 Bill Twombly 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 # | ALPACSI779KP |
| 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 Bill Twombly LLC 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 # | STHOMTH896KP |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- According to the The City of Tukwila, WA, 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 Bill Twombly LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | STHOMTH896KP |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- 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 Bill Twombly LLC 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 | Preferred Contractors Ins Co R |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
8
Permits
- Building permit records show that Bill Twombly LLC has worked on 8 permitted projects.
Bill Twombly LLC Employees
TM
Twombly, William Michael
Owner
WT
William Twombly
Partner/Member