Updated: Apr 14, 2026
Location and Projects
Address
5 OVERHILL ROAD, Catonsville, MD, 21228
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Thomas M Zielinski Construction
Their BuildZoom score of 0 does not rank in the top 50% of Maryland contractors.
If you are thinking of hiring Thomas M Zielinski, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Thomas M Zielinski Services
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Thomas M Zielinski Contact Information
Address: 5 OVERHILL ROAD, Catonsville, MD 21228
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct 18x9 screen porch on existing patio
Valuation:
$4,000
Permit #:
B02261128
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
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Thomas M Zielinski License info
License Not Verified
| License # | 45578 |
| Status | Active |
| State | Pennsylvania |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2015. Check the current license status of Thomas M Zielinski with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 45578 |
| Status | Inactive |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Corporation |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Thomas M Zielinski at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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Thomas M Zielinski Employees
TZ
Thomas Mark Zielinski
Owner