Updated: May 12, 2026
Location
Address
11838 NE 112TH ST, Kirkland, WA, 98033
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Upside Builders Construction
Upside Builders, 11838 NE 112th St, Kirkland, WA (Owned by: Parbon, Timothy Ryan) holds a Construction Contractor, General license and 1 other license 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 Upside Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Upside Builders Services
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Upside Builders Contact Information
Phone Number: (206) 920-5594
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Address: 11838 NE 112TH ST, Kirkland, WA 98033
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Verified License
BuildZoom confirmed this contractor's license
Upside Builders License info
Verified License
| License # | UPSIDB*750KK |
| 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 Upside Builders at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | UPSIDB*750KK |
| 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 Upside Builders 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 | Houston Casualty Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indem Co |
| Bond Value | $30,000 |
Upside Builders Employees
JC
James Chang
Member
PR
Parbon, Timothy Ryan
Owner
SS
Seunghu Soh
Member
TP
Timothy Parbon
Member