Updated: Apr 15, 2026
Location and Projects
Address
212 MUMFORDS LANDING RD., Berlin, MD, 21811
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Michael E Donaldson HVAC/Mechanical Contractor
Michael E Donaldson, 212 Mumfords Landing Rd, Berlin, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 93 ranks in the top 27% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Michael E Donaldson, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Michael E Donaldson Contact Information
Phone Number: (240) 381-9112
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Address: 212 MUMFORDS LANDING RD., Berlin, MD 21811
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new $36 000btu mitsubishi
Valuation:
N/A
Permit #:
MEC22-0649
Status:
issued
Fee:
$177
Permit Type:
Existing building...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0125
Status:
final
Fee:
$125
Permit Type:
New building - re...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0124
Status:
final
Fee:
$185
Permit Type:
New building - re...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0123
Status:
final
Fee:
$185
Permit Type:
New building - re...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0125
Status:
final
Fee:
$125
Permit Type:
New building - re...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0124
Status:
final
Fee:
$185
Permit Type:
New building - re...
Building Type:
N/A
Total new install (1) elecric heating and air conditioning (heat pump )
Valuation:
N/A
Permit #:
MEC18-0123
Status:
final
Fee:
$185
Permit Type:
New building - re...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Michael E Donaldson License info
Verified License
| License # | 9744 |
| 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 Michael E Donaldson 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
| License # | CON-3705 |
| Status | Active |
| City | Annapolis |
| Type | Mech Cont |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Michael E Donaldson with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Michael E Donaldson Employees
MD
Michael E Donaldson
Owner
great advice, great team. Great job!