Updated: Apr 26, 2026
Location and Projects
Address
110 Pine Drive, Milton, DE, 19968
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Joseph S. Mroz HVAC/Mechanical Contractor
Joseph S. Mroz, 110 Pine Dr, Milton, DE holds a Hvacr license and 1 other license according to the Delaware license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Joseph S. Mroz, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Joseph S. Mroz Contact Information
Address: 110 Pine Drive, Milton, DE 19968
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This is a sample of this contractor's permits. Click here to access their complete permit history.
4 windows
Valuation:
$2,000
Permit #:
84273
Status:
complete
Fee:
$18
Permit Type:
Misc
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Joseph S. Mroz License info
Verified License
| License # | HM-0000103 |
| Status | Active |
| State | Delaware |
| Type | Hvacr |
| Business Type | Individual |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Joseph S. Mroz at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1992105611 |
| Status | Inactive |
| State | New Castle County |
| Type | Contractor Resident |
| Business Type | Individual |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Joseph S. Mroz at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Joseph S. Mroz Employees
JM
Joseph S. Mroz
Applicant