Updated: Jun 02, 2026
Location and Projects
Headquarters Address
1623 GREENWOOD AVENUE, Michigan City, IN, 46360
Local address
6147 Knollwood Ct, Willowbrook, IL, 60527
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Tonn and Blank Construction LLC
Tonn and Blank Construction LLC, 6147 Knollwood Ct, Willow Brook, IL holds a General Contractor (Class A) license and 13 other licenses according to the City of Chicago license board.
Their BuildZoom score of 97 ranks in the top 18% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tonn and Blank Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tonn and Blank Construction LLC Services
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Tonn and Blank Construction LLC Contact Information
Phone Number: (219) 879-7321
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Headquarters Address: 1623 GREENWOOD AVENUE, Michigan City, IN, 46360
Local Address: 6147 Knollwood Ct, Willow Brook, IL 60527
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Building Permits by Tonn and Blank Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
1328-24
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
No Description Available
Valuation:
N/A
Permit #:
1327-24
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
No Description Available
Valuation:
N/A
Permit #:
1325-24
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Remodel kitchen and 2 baths in unit 2402. install washer/dryer. no structural. electrical on separate permit
Valuation:
$30,200
Permit #:
100486147
Status:
issued
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Tonn and Blank Construction LLC License info
Verified License
| License # | TGC063453 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class A) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Tonn and Blank Construction LLC at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Drywall |
| Date Issued | 01-15-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Concrete |
| Date Issued | 01-15-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Carpentry |
| Date Issued | 01-15-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | General With Trades |
| Date Issued | 01-15-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Insulation |
| Date Issued | 01-15-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C112807 |
| Status | Active |
| City | Chicago |
| Type | A - All Projects - No Restrictions, General |
- When BuildZoom last verified this license, it had an expiration date of March, 2015. Check the current license status of Tonn and Blank Construction LLC with the City of Chicago
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Concrete |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | Drywall |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | Carpentry |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | General With Trades |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | Insulation |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | General No Trades |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| City | City Of Chicago |
| Type | A All Projects No Restrictions |
- 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.