Updated: Mar 27, 2026
Location
Address
12710 Kapowsin Highlands Dr E, Graham, WA, 98338
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Thorough Construction
Their BuildZoom score of 0 does not rank in the top 50% of Washington contractors.
If you are thinking of hiring Thorough Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Thorough Inc Services
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Thorough Inc Contact Information
Phone Number: (533) 809-8770
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Address: 12710 Kapowsin Highlands Dr E, Graham, WA 98338
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Thorough Inc License info
License Not Verified
| License # | THOROI973J9 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Thorough Inc with 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 # | THOROI 973J9 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Thorough 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 # | THOROI*973J9 |
| 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 Thorough Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Thorough Inc, click “This is My Business” to update your information.
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $300,000 |
Bonded
| Bonded Agent | American Casualty Insurance Co |
| Bond Value | $12,000 |
Thorough Inc Employees
JM
JAMISON, GREG M
President
JM
JAMISON, GREGORY MICHAEL
Governing Persons
JO
JOHNSON, MICHAEL O
Treasurer