Updated: Jun 19, 2026
Location and Projects
Headquarters Address
PO BOX 10, Mappsville, VA, 23407
Local address
108 HERITAGE LANE, Sykesville, MD, 21784
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John Bernard Supeck HVAC/Mechanical Contractor
John Bernard Supeck, 108 Heritage Ln, Sykesville, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Bernard Supeck, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John Bernard Supeck Contact Information
Headquarters Address: PO BOX 10, Mappsville, VA, 23407
Local Address: 108 HERITAGE LANE, Sykesville, MD 21784
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family dwelling adding five supply ducts in the basement and relocating return on the first floor living space
Valuation:
N/A
Permit #:
M21000400
Status:
complete
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Ex. woodstove already in basement
Valuation:
N/A
Permit #:
B9503186
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John Bernard Supeck License info
Verified License
| License # | 7635 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John Bernard Supeck at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 66043 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John Bernard Supeck at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
John Bernard Supeck Employees
JS
John Bernard Supeck
Owner