Updated: Jun 02, 2026
Location and Projects
Address
540 Newport Way NW, Issaquah, WA, 98027
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Windsor Construction Company HVAC/Mechanical Contractor
Windsor Construction Company, 540 Newport Way NW, Issaquah, WA (Owned by: Knk Inc) holds a Construction Contractor, General license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 110 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Windsor Construction Company, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Windsor Construction Company Services
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Windsor Construction Company Contact Information
Phone Number: (206) 730-3939
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Address: 540 Newport Way NW, Issaquah, WA 98027
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Windsor Construction Company Issaquah
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Windsor Construction Company has a BuildZoom score of 110, which places them above 96% of 128,670 contractors in Washington.
Activity
|
8 projects
|
2025 |
|
6 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Windsor Construction Company has worked on at least
19.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Windsor Construction Company mostly works on
new construction
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $85,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Windsor Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Civil site construction permit - commercial/multi-family/mixed use
2025-10-31
The proposed development redmond square phase ii building a consists of a six-story mixed use building over one level of below grade parking and a mid-block woonerf at grade. associated frontage improvements include new curb and gutter sidewalk landscaping curb ramps street lights utility connections storm structures storm main realignment water main realignment and appurtenances and ... see more
Valuation:
$0
Permit #:
SITE-2022-01021
Status:
expired
Fee:
$154,329
Permit Type:
N/A
Building Type:
N/A
Construction of a 27 306 sq ft 3 story 24 unit apartment building
Valuation:
$2,760,000
Permit #:
B23-0129
Status:
final
Fee:
$51,753
Permit Type:
New
Building Type:
N/A
No Description Available
Valuation:
$1,380,000
Permit #:
B23-0097
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Construction of a 26 887 sq ft 3 story 20 units with tuck under garage apartment building
Valuation:
$2,300,000
Permit #:
B23-0096
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
Construction of a 25 751 sq ft 3 story 24 unit apartment building
Valuation:
$2,760,000
Permit #:
B23-0095
Status:
final
Fee:
$51,753
Permit Type:
New
Building Type:
N/A
Construction of a 26, 887 sq ft 3 story 20 units with tuck under garage apartment building
Valuation:
N/A
Permit #:
B23-0094
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
180 day extension granted. new expiration date is 4/28/2025
Valuation:
N/A
Permit #:
B23-0093
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
No Description Available
Valuation:
$1,380,000
Permit #:
B23-0092
Status:
final
Fee:
$27,554
Permit Type:
New
Building Type:
N/A
Construction of a 26 887 sq ft 3 story 20 units with tuck under garage apartment building
Valuation:
$2,300,000
Permit #:
B23-0091
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
Construction of a 12 839 sq ft 3 story 12 unit apartment building
Valuation:
$1,380,000
Permit #:
B23-0089
Status:
final
Fee:
$27,554
Permit Type:
New
Building Type:
N/A
Construction of a 26 887 sq ft 3 story 20 units with tuck under garage apartment building
Valuation:
$2,300,000
Permit #:
B23-0088
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
Construction of a 26 887 sq ft 3 story 20 units with tuck under garage apartment building
Valuation:
$2,300,000
Permit #:
B23-0087
Status:
final
Fee:
$43,687
Permit Type:
New
Building Type:
N/A
Construction of a 1 story 5 225 sq ft club house/leasing office
Valuation:
$780,000
Permit #:
B23-0086
Status:
final
Fee:
$7,555
Permit Type:
New
Building Type:
N/A
Building a - new construction 18 unit apartment building
Valuation:
$2,063,143
Permit #:
BLD2021-0285
Status:
final
Fee:
$296,246
Permit Type:
N/A
Building Type:
Commercial-buil-new
Building b -new construction of 15 apartment unit
Valuation:
$1,804,438
Permit #:
BLD2021-0305
Status:
final
Fee:
$269,372
Permit Type:
N/A
Building Type:
Commercial-buil-new
Springbrook apts building c - plumbing *** electronic *** 4-story 52-unit manufactured building 332 plumbing fixtures & 52 hot water tanks
Valuation:
$5,546,533
Permit #:
BP-17-00285
Status:
final
Fee:
$6,113
Permit Type:
N/A
Building Type:
N/A
Springbrook apts building b - plumbing *** electronic *** 4-story 52-unit manufactured building 332 plumbing fixtures & 52 hot water tanks
Valuation:
$5,546,533
Permit #:
BP-17-00282
Status:
final
Fee:
$6,113
Permit Type:
N/A
Building Type:
N/A
Springbrook apts building a - plumbing *** electronic *** 4-story 52-unit manufactured building 332 plumbing fixtures & 52 hot water tanks
Valuation:
$5,546,533
Permit #:
BP-17-00279
Status:
final
Fee:
$6,113
Permit Type:
N/A
Building Type:
N/A
Springbrook apts building d - plumbing *** electronic ***4-story 52-unit manufactured building 332 plumbing fixtures & 52 hot water tanks
Valuation:
$5,546,533
Permit #:
BP-17-00288
Status:
final
Fee:
$6,113
Permit Type:
N/A
Building Type:
N/A
Springbrook apts building d - new manufactured *** electronic *** 4-story 52-unit 3-efficiency/1ba 17-1bd/1ba 8-1bd/1ba+den 24-2bd/1ba
Valuation:
$5,546,533
Permit #:
BP-17-00286
Status:
final
Fee:
$46,461
Permit Type:
N/A
Building Type:
N/A
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Windsor Construction Company Reviews
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Verified License
BuildZoom confirmed this contractor's license
Windsor Construction Company License info
Verified License
| License # | WINDSCC088CL |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Partnership |
| Business Type | Partnership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Windsor Construction Company at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | WINDSCC088CL |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Partnership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Windsor Construction Company 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 # | WINDSCC088CL |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Partnership |
- According to the The City of Sammamish, 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 Windsor Construction Company at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | WINDSCC088CL |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Partnership |
- According to the The City of Marysville, Washington, 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 Windsor Construction Company at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Zurich American Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bond Value | $6,000 |
196
Permits
- Building permit records show that Windsor Construction Company has worked on 196 permitted projects.
Windsor Construction Company Employees
Partner
GG
Glenn Gronnerud
Partner
KS
Kenneth Sinner
Partner
KI
Knk Inc
Owner
KI
Knk Inc
Owner
NS
Nathan Sinner
Partner