Updated: May 30, 2026
Location and Projects
Address
Bel Air, MD, 21014
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David L Nelson HVAC/Mechanical Contractor
David L Nelson, Bel Air, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration 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.
Their license was verified as active when we last checked. If you are thinking of hiring David L Nelson, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
David L Nelson Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
2-indoor & 1-outdoor mini-split ductless sys & 1-more indoor ducted mini-split system
Valuation:
N/A
Permit #:
M02155464
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Rpl furnace & air conditioning * rpl oil furnace & air conditioning system w/carrier 2 zone 36, 000 btu heat pump system *rev 10/24/12 addition 2nd fl heat pump
Valuation:
N/A
Permit #:
M02145668
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replace furnace removing oil fired furnace and installing a gas fi red furnace
Valuation:
N/A
Permit #:
M02147978
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replace heat pump replace o/s system with nutone 3 ton heat pump sys tem
Valuation:
N/A
Permit #:
M02149769
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replace furnace remove oil fired furnace and install a gas furnace
Valuation:
N/A
Permit #:
M02147979
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Ge health care see list b06007429
Valuation:
N/A
Permit #:
E07000044
Status:
complete
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Wire new single family dwelling 800 amps b00151677
Valuation:
N/A
Permit #:
E07003363
Status:
complete
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Same for same rpl
Valuation:
N/A
Permit #:
M02155991
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PG 20108
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SFD 20003
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
EL 20258
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
David L Nelson License info
Verified License
| License # | 9315 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for David L Nelson at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
9
Permits
- Building permit records show that David L Nelson has worked on 9 permitted projects.
David L Nelson Employees
DN
David L Nelson
Owner