Updated: Feb 23, 2026
Location
Address
8319 old frederick road, Ellicott City, MD, 21043
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Matthew Charles Zinn HVAC/Mechanical Contractor
Matthew Charles Zinn, 8319 Old Frederick Rd, Ellicott City, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
If you are thinking of hiring Matthew Charles Zinn, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Matthew Charles Zinn Contact Information
Address: 8319 old frederick road, Ellicott City, MD 21043
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Matthew Charles Zinn License info
Verified License
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Matthew Charles Zinn at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
| Class | Heating, Ventilation, Air Conditioning and Refrigeration |
- When BuildZoom last verified this license, it had an expiration date of January, 2019. Check the current license status of Matthew Charles Zinn with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.