Updated: Jun 20, 2026
Location and Projects
Address
6611 W SCHREIBER, Chicago, IL, 60631
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Mark Windows
Mark Windows, 6611 W Schreiber, Chicago, IL (Owned by: Mark Szalaj) holds a Contractor license and 6 other licenses according to the Oak Park license board.
Their BuildZoom score of 91 ranks in the top 37% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Windows, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Windows Contact Information
Phone Number: (773) 774-2575
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Address: 6611 W SCHREIBER, Chicago, IL 60631
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace old windows with new high efficent windows. all window will have argon gas and e glass u factor of 0.29 or less. all opening will remain the same
Valuation:
$6,000
Permit #:
20-1282
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of 4 windows - same size and placement
Valuation:
N/A
Permit #:
14WNDR-0097
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Replacement of windows in existing openings
Valuation:
N/A
Permit #:
18WNDR-0272
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Windows - 5 same size
Valuation:
$2,600
Permit #:
2018-00000991
Status:
complete
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Miscellaneous - new
Valuation:
$2,985
Permit #:
13060103
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Miscellaneous - new
Valuation:
$1,285
Permit #:
12070307
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement windows u factor 0.29
Valuation:
N/A
Permit #:
21WNDR-0089
Status:
canceled
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mark Windows License info
Verified License
| License # | 202405204 |
| Status | Active |
| City | Oak Park |
| Type | Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Mark Windows at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 16697 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Mark Windows at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR6206 |
| Status | Inactive |
| County | Dupage County |
| Type | Window/Door Installation |
- According to the County of Dupage Contractor Registration Information, 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 Mark Windows at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR6206 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Window/Door Installation |
- According to the County of Dupage Contractor Registration Information, 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 Mark Windows at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-30688-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Mark Windows at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-30688-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Mark Windows at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 8094 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Mark Windows at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
7
Permits
- Building permit records show that Mark Windows has worked on 7 permitted projects.
Mark Windows Employees
MS
Mark Szalaj
Owner