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Headquarters Address
PO BOX 8, Faribault, MN, 55021
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Interstate Improvement Inc
Interstate Improvement Inc, (Owned by: Ct Corporation Systems Inc) 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 Interstate Improvement Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Interstate Improvement Inc Services
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Interstate Improvement Inc Contact Information
Phone Number: (507) 333-2677
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Building Permits by Interstate Improvement Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
3 hydrant meter with backflow device
Valuation:
N/A
Permit #:
W13000917
Status:
Finaled
Fee:
$877
Permit Type:
N/A
Building Type:
N/A
3 hydrant meter with backflow device
Valuation:
N/A
Permit #:
W13000917
Status:
complete
Fee:
$877
Permit Type:
N/A
Building Type:
N/A
3 hydrant meter w/backflow device
Valuation:
N/A
Permit #:
W090124
Status:
complete
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
Temporary water meter for freeway construction
Valuation:
N/A
Permit #:
PW09-016
Status:
final
Fee:
$1,000
Permit Type:
Othr
Building Type:
N/A
500 monster rd sw (temp. fh meter) 3-inch - see new permit w25004356 for continued usage
Valuation:
N/A
Permit #:
W090011
Status:
complete
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
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Interstate Improvement Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Interstate Improvement Inc License info
Verified License
| License # | INTERII920PL |
| 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 Interstate Improvement 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 # | INTERII920PL |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Interstate Improvement Inc 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 | Travelers Indemnity Co Of Conn |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
Interstate Improvement Inc Employees
Agent
AD
Antony Detomaso
Vice President
CI
Ct Corporation Systems Inc
Owner
CN
Cynthia Nations
President
JG
Jeremy Gibbs
President
NS
Nathan Steckleberg
Treasurer
PK
Patricia Knish
Director
RH
Ryan Hunt
Treasurer
SG
Samuel Gramling
President
SK
Steven Knish
President