Updated: May 30, 2026
Location and Projects
Address
Annapolis, MD, 21403
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Adrian Leslie Merton HVAC/Mechanical Contractor
Adrian Leslie Merton, Annapolis, MD (Employee: Michael Leslie Merton) holds a Renovation license and 5 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 102 ranks in the top 11% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Adrian Leslie Merton, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Adrian Leslie Merton Contact Information
Phone Number: (301) 336-2700
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Adrian Leslie Merton Annapolis
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Adrian Leslie Merton has a BuildZoom score of 102, which places them above 89% of 58,058 contractors in Maryland.
Activity
|
1 project
|
2025 |
|
5 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Adrian Leslie Merton has worked on at least
7.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
7 projects
|
HVAC projects |
|
6 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Adrian Leslie Merton mostly works on
hvac project
and mechanical project
projects.
Pricing
|
5 projects
|
$100k-$250k |
The typical size of their permits is approximately $119,651. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Howard county center for the arts addition 4 electrical wall heaters 2 cabinet unit heaters demolish 1 cabinet unit heater 1 steam radiator cap pipe 6 pnuematic thermostats
Valuation:
N/A
Permit #:
M25001265
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Installing 1 new rooftop air conditioning unit along with curb roofing electric steel reinforcing drywall paint duct diffusers and a thermostat
Valuation:
$138,550
Permit #:
M02219123
Status:
complete
Fee:
$802
Permit Type:
N/A
Building Type:
N/A
Installing 1 new rooftop air conditioning unit along with curb roofing electric steel reinforcing drywall paint duct diffusers and a thermostat
Valuation:
$119,850
Permit #:
M02219125
Status:
complete
Fee:
$699
Permit Type:
N/A
Building Type:
N/A
Installing 1 new rooftop air conditioning unit along with curb roofing electric steel reinforcing drywall paint duct diffusers and a thermostat
Valuation:
$119,452
Permit #:
M02219124
Status:
complete
Fee:
$696
Permit Type:
N/A
Building Type:
N/A
Installing 1 new rooftop air conditioning unit along with curb roofing electric steel reinforcing drywall paint duct diffusers and a thermostat
Valuation:
$103,650
Permit #:
M02219122
Status:
complete
Fee:
$610
Permit Type:
N/A
Building Type:
N/A
Air conditioning no heat forced air ducted 3 zones tonnage 25
Valuation:
$138,000
Permit #:
M02214913
Status:
filed
Fee:
$799
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning 4 zone vrf heat pump with radiant floor heating in basement screened in porch and garages
Valuation:
N/A
Permit #:
M02198229
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
: gas furnaces with dx coils fans including paddle fans. electric heat ductwork air devices. refrigerant and condensate pipe. insulation and controls
Valuation:
$50,000
Permit #:
M02217635
Status:
complete
Fee:
$315
Permit Type:
N/A
Building Type:
N/A
Plumbing for substantial improvement new house plumbing and waste
Valuation:
N/A
Permit #:
P02286957
Status:
complete
Fee:
$125
Permit Type:
N/A
Building Type:
Single family dwe...
Plumbing for substantial improvement addition half bathroom with external shower
Valuation:
N/A
Permit #:
P02293860
Status:
issued
Fee:
$65
Permit Type:
Addition
Building Type:
Residential garage
Replace boiler install boiler install radiant floor heat
Valuation:
N/A
Permit #:
M02202084
Status:
issued
Fee:
$80
Permit Type:
Addition
Building Type:
Residential garage
Hvac unit replacement disconnect reconnect hvac piping hvac duct work *work for pool area only*
Valuation:
$667,916
Permit #:
M02208192
Status:
complete
Fee:
$3,713
Permit Type:
N/A
Building Type:
N/A
Propane gas only combi boiler/hotwater heater 2 -dryer 3-fire pl ace 1 range 1- generator
Valuation:
N/A
Permit #:
P02301063
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning 26 rtu's 1 ss air conditioning fans duct and diffusers. gas mbh input 5, 885 and total cooling 108.5 tons
Valuation:
$850,000
Permit #:
M02139373
Status:
complete
Fee:
$4,715
Permit Type:
N/A
Building Type:
N/A
Commercial building improvement/renovation - interior fit up
2013-12-16
Renovations to existing auto dealership. facility consists of separate uses; business and storage
Valuation:
$450,000
Permit #:
CIMP-2093-2012
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New sanitary;new septic;new supply;bathrooms kitchen, laudry, & wall hydrant fixtures* rev11/13/1 4(aw)admit fixtures for rough-in only
Valuation:
N/A
Permit #:
P02218250
Status:
complete
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning install vav's duct diffusers controls and air b alance system
Valuation:
$16,000
Permit #:
M02153906
Status:
complete
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
*shell bldg* the national business park"bldg 191 1-rooftop air conditioning 80tons, 2-rooftop air conditioning 84tons, 1-roof top air conditioning 85tons, 1-rt 12tons, 11exfans, 4 190 kw elc ht
Valuation:
$345,000
Permit #:
M02095576
Status:
complete
Fee:
$1,937
Permit Type:
N/A
Building Type:
N/A
Mechanical for substantial improvement hvac including indoor units outdoor units and du ct work
Valuation:
N/A
Permit #:
M02155518
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Install 1-17 ton rooftoop air conditioning 1-12 ton rooftop air conditioning 1-1, 500 mbh make up air unit, 10-exhaust fans 25 vav boxes, ductwork registers & grills
Valuation:
$97,655
Permit #:
M02100127
Status:
complete
Fee:
$577
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
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BZ Score
-
Avg Project
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Projects
License # 100269
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Verified License
BuildZoom confirmed this contractor's license
Adrian Leslie Merton License info
Verified License
| License # | NAT-35269-4 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Adrian Leslie Merton at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 8736 |
| 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 Adrian Leslie Merton 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 # | 2620 |
| 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 Adrian Leslie Merton at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-35269-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Adrian Leslie Merton at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-35269-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Adrian Leslie Merton at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-886 |
| Status | Inactive |
| City | Annapolis |
| Type | Contractor |
- According to the The City of Annapolis, MD, 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 Adrian Leslie Merton at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Hartford Ins |
67
Permits
- Building permit records show that Adrian Leslie Merton has worked on 67 permitted projects.
Adrian Leslie Merton Employees
AM
Adrian Leslie Merton
Owner
MM
Michael Leslie Merton
Owner