Updated: May 27, 2026
Location and Projects
Address
Mount Airy, MD, 21771
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Mark Joseph Ashby HVAC/Mechanical Contractor
Mark Joseph Ashby, Mount Airy, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 97 ranks in the top 18% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Joseph Ashby, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Joseph Ashby Contact Information
Phone Number: (410) 263-3221
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Mark Joseph Ashby Mount Airy
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mark Joseph Ashby has a BuildZoom score of 97, which places them above 82% of 58,058 contractors in Maryland.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Mark Joseph Ashby has worked on at least
4.0 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
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Mark Joseph Ashby mostly works on
mechanical project
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
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 new ductwork in addition, upgrade and install new system
Valuation:
$9,850
Permit #:
M02212158
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Install new ductwork in addition, upgrade and install new system
Valuation:
$9,850
Permit #:
M02212158
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Use as a single-family dwelling
Valuation:
N/A
Permit #:
BUSE-25-001934
Status:
issued
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Replacement of two hvac systems
Valuation:
N/A
Permit #:
MECH-240435
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install ductless mini split energy code prescriptive method
Valuation:
N/A
Permit #:
M18000591
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system energy code prescriptive method
Valuation:
N/A
Permit #:
M19000371
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 1-1/2 story detached garage with attic storage energy code prescriptive method *08.15.19 amendment request to addition half bathroom to detached garage* **8.19.19 amendment approved**
Valuation:
N/A
Permit #:
B18004170
Status:
complete
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
New single family dwelling install hvac system energy code prescriptive method
Valuation:
N/A
Permit #:
M15000347
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2015-01-07
Single family dwelling install ductless mini split energy code prescriptive method
Valuation:
N/A
Permit #:
M15000017
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install a 2 zone hvac system for a two story modular dwelling avis model victoria ii on full unfinished basement no rough in plumbing direct vent for gas fireplace front and side wrap around porch. no decks. frank r & marguerite v newcomer replat lot 2
Valuation:
N/A
Permit #:
2006-03405
Status:
complete
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system (iecc prescriptive method)
Valuation:
N/A
Permit #:
M13001383
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
1.5 story log home frame contruction full unfinished basement no rough in plumbing chimney for wood burning fireplace no garage no front porch no rear porch open deck around entire dwelling entrance grading kenneth keyser lot 1
Valuation:
N/A
Permit #:
2004-08313
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system
Valuation:
N/A
Permit #:
M15000158
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install ductless split
Valuation:
$4,100
Permit #:
M02214291
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Single family dwelling gas conversion
Valuation:
N/A
Permit #:
M15000018
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling gas conversion
Valuation:
N/A
Permit #:
M15000003
Status:
complete
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system energy code prescriptive method
Valuation:
N/A
Permit #:
M17000438
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install ductless mini split
Valuation:
N/A
Permit #:
M16000396
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system
Valuation:
N/A
Permit #:
M14000203
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install a 1 zone hvac system above garage for a 36x40 detached garage on concrete base for storage of lawn equipment with finished bonus room above. newcomer frank & marguerite replat lot 2
Valuation:
N/A
Permit #:
2006-03404
Status:
complete
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Mark Joseph Ashby License info
Verified License
| License # | 4287 |
| 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 Mark Joseph Ashby 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 # | CON-1108 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech Cont |
- 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 Mark Joseph Ashby at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
78
Permits
- Building permit records show that Mark Joseph Ashby has worked on 78 permitted projects.
Mark Joseph Ashby Employees
MA
Mark Joseph Ashby
Owner