Updated: Apr 01, 2026
Location and Projects
Address
9507 E 4th Avenue, Spokane, WA, 99206
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Thornton & Sons Construction
Thornton & Sons Inc at 9507 E 4th Avenue, Spokane, WA 99206, held a General Contractor license (#THORNSI891BQ) with the Tukwila contractors license board with an expiration date of 01-18-2019. We last verified the license was expired on 03-26-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 128,670 Washington contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Thornton & Sons Inc Services
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Thornton & Sons Inc Contact Information
Phone Number: (509) 710-4695
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Address: 9507 E 4th Avenue, Spokane, WA 99206
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install power for relocated compressor and lift.
Valuation:
N/A
Permit #:
B1714352ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Electrical for floors 3 thru 17 - guest rooms *this permit issued to thornton & sons to cover their portion of work on b1405149elec*
Valuation:
N/A
Permit #:
B1410667ELEC
Status:
final
Fee:
$25
Permit Type:
New
Building Type:
N/A
Electrical for basement thru 2nd floors & garage *this permit issued to thornton & sons to cover their portion of work on b1405149elec*
Valuation:
N/A
Permit #:
B1407046ELEC
Status:
final
Fee:
$25
Permit Type:
New
Building Type:
N/A
Provide electrical to new 3d eye glass washer located in the 4th floor kitchen area
Valuation:
N/A
Permit #:
B1701638ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Remove can lights and barn light and replace with new led can trims and new flood light
Valuation:
N/A
Permit #:
B1514170ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Addition power to workstations in pony wall. alter switching and lighting
Valuation:
N/A
Permit #:
B1607195ELEC
Status:
final
Fee:
$55
Permit Type:
Remodel
Building Type:
N/A
Install outlets lighting and fire alarm raceway for second floor bathroom
Valuation:
N/A
Permit #:
B1510768ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Provide power for receptacles and lighting throughout. new feeder from first floor to second floor
Valuation:
N/A
Permit #:
B1414130ELEC
Status:
final
Fee:
$230
Permit Type:
Remodel
Building Type:
N/A
Install conduit wire and components for fire alarm sytem
Valuation:
N/A
Permit #:
B1602967ELEC
Status:
final
Fee:
$405
Permit Type:
Remodel
Building Type:
N/A
Provide power to new seating in auditoriums. remodel lobby and common areas
Valuation:
N/A
Permit #:
B1511736ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Electrical as needed to accommodate sfcc remodel project
Valuation:
N/A
Permit #:
B1621139ELEC
Status:
final
Fee:
$45
Permit Type:
Remodel
Building Type:
N/A
Electrical for nyl remodel on the 16th floor
Valuation:
N/A
Permit #:
B1701324ELEC
Status:
final
Fee:
$150
Permit Type:
Remodel
Building Type:
N/A
Lighting and power to accommodate remodel
Valuation:
N/A
Permit #:
B1618329ELEC
Status:
final
Fee:
$85
Permit Type:
Remodel
Building Type:
N/A
Provide and install power and lighting for tenant improvement
Valuation:
N/A
Permit #:
B1510179ELEC
Status:
final
Fee:
$45
Permit Type:
Remodel
Building Type:
N/A
Upgrade lighting and power in deaconess hospital pharmacy
Valuation:
N/A
Permit #:
B1600605ELEC
Status:
final
Fee:
$85
Permit Type:
Remodel
Building Type:
N/A
Install power relocate lighting in suite #515/520
Valuation:
N/A
Permit #:
B1514438ELEC
Status:
final
Fee:
$55
Permit Type:
Remodel
Building Type:
N/A
Electrical for first floor remodel
Valuation:
N/A
Permit #:
B1620590ELEC
Status:
final
Fee:
$180
Permit Type:
Remodel
Building Type:
N/A
Install receptacles in break room
Valuation:
N/A
Permit #:
B1601463ELEC
Status:
final
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Addition circuitry for lighting and power
Valuation:
N/A
Permit #:
B1510442ELEC
Status:
final
Fee:
$225
Permit Type:
Remodel
Building Type:
N/A
Replace existing lighting in common hallways with new
Valuation:
N/A
Permit #:
B1508885ELEC
Status:
final
Fee:
$45
Permit Type:
Remodel
Building Type:
N/A
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Thornton & Sons Inc Reviews
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Thornton & Sons Inc License info
Inactive License
| License # | THORNSI875DO |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- 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 Thornton & Sons Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | THORNSI891BQ |
| Status | Inactive |
| City | Tukwila |
| Type | Electrical Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- 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 Thornton & Sons Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | THORNSE963QQ |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical 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. If this is your business, please update your license status.
Check this license's status for Thornton & Sons 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 # | THORNSI891BQ |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical 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. If this is your business, please update your license status.
Check this license's status for Thornton & Sons 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 # | THORNSI875DO |
| 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. If this is your business, please update your license status.
Check this license's status for Thornton & Sons Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Thornton & Sons Inc, click “This is My Business” to update your information.
324
Permits
- Building permit records show that Thornton & Sons Inc has worked on 324 permitted projects.
Thornton & Sons Inc Employees
AT
Andrew Thornton
President
AT
Andrew Thorton
President
BG
Brian Gosline
Agent
HR
Houk-Thorton, Sarah Ruth
Vice President
JT
John Thornton
President
NT
Nancy Thornton
Vice President
ST
Sarah Houk Thorton
Vice President
ST
Sarah Thornton
Vice President
TR
Thornton, Andrew R
President
TR
Thornton, Andrew Russell
Governing Persons
TS
Thornton, Sarah
Vice President
TR
Thorton, Andrew Russell
President