Updated: Jun 16, 2026
Location and Projects
Address
6134 N Karlov Ave, Chicago, IL, 60646
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Just Windows
Just Windows, 6134 N Karlov Ave, Chicago, IL (Employee: Just Windows Ltd) holds a Contractor Registration license and 4 other licenses according to the Illinois license board.
Their BuildZoom score of 96 ranks in the top 20% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Just Windows, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Just Windows Contact Information
Phone Number: (773) 286-0071
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Address: 6134 N Karlov Ave, Chicago, IL 60646
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Just Windows Chicago
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Just Windows has a BuildZoom score of 96, which places them above 80% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Just Windows has worked on at least
3.0 projects over the past 2 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
|
3 projects
|
Door and windows installations |
Analyzing permits over the last 4 years shows that Just Windows mostly works on
door and windows installation
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Windows (replacement only): qty 39
Valuation:
$140,000
Permit #:
100767174
Status:
issued
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
0632-25
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration to storefront to remove existing revolving door and replace with aluminum frame and tempered glass and minor cosmetic repairs on the 1st floor retail space per plans (forever 21)
Valuation:
$7,000
Permit #:
100490760
Status:
complete
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Window replacement - no size change
Valuation:
N/A
Permit #:
16WNDR-0284
Status:
complete
Fee:
$924
Permit Type:
N/A
Building Type:
N/A
Replace existing 2 sets of doors on 40th floor deck. all work sae
Valuation:
$11,797
Permit #:
100570878
Status:
issued
Fee:
$325
Permit Type:
N/A
Building Type:
N/A
(6) window replacement only - no size change
Valuation:
N/A
Permit #:
14WNDR-0157
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Sliding glass door replacement - no size change
Valuation:
N/A
Permit #:
14WNDR-0059
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Window replacement on second floor north and east sides - no size change
Valuation:
N/A
Permit #:
16WNDR-0168
Status:
complete
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
Window replacement - same size
Valuation:
N/A
Permit #:
14WNDR-0060
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Window replacement no structural changes copy original grids design
Valuation:
N/A
Permit #:
10WNDR-0076
Status:
complete
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
Windows (11)
Valuation:
$4,200
Permit #:
14-1693-WNDW
Status:
final
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Window replacement no change in size
Valuation:
N/A
Permit #:
10WNDR-0003
Status:
complete
Fee:
$230
Permit Type:
N/A
Building Type:
N/A
Replacement windows - in kind
Valuation:
N/A
Permit #:
08WNDR-0025
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Window replacement
Valuation:
N/A
Permit #:
08WNDR-0020
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Window replacement
Valuation:
N/A
Permit #:
08WNDR-0019
Status:
complete
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
: windows (11)
Valuation:
$4,200
Permit #:
14-1693-WNDW
Status:
final
Fee:
$40
Permit Type:
N/A
Building Type:
Building use group
Replace 4 windows
Valuation:
$3,220
Permit #:
BPR-25-1221
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 5 windows
Valuation:
$6,050
Permit #:
BPR-25-1220
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Just Windows Reviews
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Verified License
BuildZoom confirmed this contractor's license
Just Windows License info
Verified License
| License # | CR-11472 |
| Status | Active |
| Type | Contractor Registration |
| Date Issued | 04-08-2026 |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 202303732 |
| Status | Active |
| City | Oak Park |
| Type | Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Just Windows at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TGC040580 |
| Status | Inactive |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- According to the City of Chicago Data Portal, 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 Just Windows at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | E $500,000 Project Ceiling |
- According to the City of Chicago Data Portal, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 201601039 |
| Status | Inactive |
| City | Oak Park |
| Type | Contractor |
- According to the Village of Oak Park, 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 Just Windows at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
16
Permits
- Building permit records show that Just Windows has worked on 16 permitted projects.
Just Windows Employees
JL
Just Windows Ltd
Licensee