Updated: May 27, 2026
Location and Projects
Address
Baltimore, MD, 21229
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Marc Nathan Ash HVAC/Mechanical Contractor
Marc Nathan Ash, Baltimore, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license according to the Maryland license board.
Their BuildZoom score of 99 ranks in the top 15% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Marc Nathan Ash, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Marc Nathan Ash Contact Information
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Marc Nathan Ash Baltimore
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Marc Nathan Ash has a BuildZoom score of 99, which places them above 85% of 58,058 contractors in Maryland.
Activity
|
10 projects
|
2025 |
Our building permit records indicate that Marc Nathan Ash has worked on at least
10.0 projects over the past year.
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 |
Analyzing permits over the last 4 years shows that Marc Nathan Ash mostly works on
hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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.
Install a 60 000 btu 90+ gas furnace with a 2.0-ton air conditioning and matching coil with new duct system. install four 9 000 btu wall mounted mini split units and two 18 000 btu outdoor mini split units. install and vent out bathroom exhausts. note: rough in inspection passed under permit # com2021-72448
Valuation:
N/A
Permit #:
BRCM-25-008124
Status:
complete
Fee:
$115
Permit Type:
Interior trades only
Building Type:
N/A
Install air distribution throughout entire house with centralized returns on the first and second floor. install low-voltage control wiring for outdoor unit safety switches and thermostat control. install furnace cooling condenser for heating and cooling install exhaust for bathroom fans install exhaust for dryer install install condensation drains install refrigeration circuit
Valuation:
N/A
Permit #:
BRCM-25-005388
Status:
complete
Fee:
$209
Permit Type:
Interior trades only
Building Type:
N/A
Extend original permit.(original permit:com2024-63351:amend permit: change electrical contractor. extend original permit.(original permit:com2022-00836:new store front construction repair to exterior brick facade replace all floor framing for continue use as 3 dwelling uni. full interior renovation as per plans as per code.) original permit description:(com2022-00836) new store front ... see more
Valuation:
N/A
Permit #:
COM2024-88006
Status:
closed - void
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Install mini-split systems pulling new permit to final out project. passed rough in previously before system switch over
Valuation:
N/A
Permit #:
BRCM-25-007667
Status:
complete
Fee:
$120
Permit Type:
Interior trades only
Building Type:
N/A
Install (1) 36000 btu air con system heat pump (1) new distribution system (1-2 family) (1) 60000 btu fuel burning equipment (3) 30 cfm exhaust systems as per code
Valuation:
N/A
Permit #:
BRCM-25-019354
Status:
complete
Fee:
$146
Permit Type:
Interior trades only
Building Type:
N/A
Equipment and ventilation- installing a ductless system- 1 outdoor unit 18000 btus 2 -indoor wall mount units 9 000 btus refrigeration lines and low voltage control circuit
Valuation:
N/A
Permit #:
BRCM-25-004907
Status:
complete
Fee:
$88
Permit Type:
Interior trades only
Building Type:
N/A
Install (1) 24000 btu air-con system heat pump (1) # new distribution system (1-2 family) (1) 70000 btu fuel-burning equip(furnace) as per code
Valuation:
N/A
Permit #:
COM2024-93971
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Install (2) 30 cfm exhaust systems as per code
Valuation:
N/A
Permit #:
COM2024-96286
Status:
complete
Fee:
$57
Permit Type:
N/A
Building Type:
N/A
Ventilation and mechanical installation
Valuation:
$100
Permit #:
BRCM-25-020891
Status:
complete
Fee:
$115
Permit Type:
Trade work only
Building Type:
N/A
Install two multi-zone mini-split systems. consists of seven 9 000 btu wall mounted indoor units and two 36 000 btu outdoor unit. install and vent out one bathroom exhaust fan approved for work only. subject to the permitted uses and regulations under the provisions of the zoning ordinance
Valuation:
$27,000
Permit #:
BRCM-25-021065
Status:
plans distribution
Fee:
N/A
Permit Type:
Trade work only
Building Type:
N/A
Install duct work throughout the entire house with centralized returns. install exhausts for bathrooms and dryer. install hvac equipment and low voltage control wiring
Valuation:
N/A
Permit #:
BRCM-25-017908
Status:
complete
Fee:
$209
Permit Type:
Interior trades only
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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Avg Project
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Marc Nathan Ash Reviews
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Verified License
BuildZoom confirmed this contractor's license
Marc Nathan Ash License info
Verified License
| License # | 62067 |
| 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 Marc Nathan Ash at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
10
Permits
- Building permit records show that Marc Nathan Ash has worked on 10 permitted projects.