Updated: Jun 01, 2026
Location and Projects
Address
2424 Hartfell Road, Cockeysville, MD, 21030
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Robert John Wontrop HVAC/Mechanical Contractor
Robert John Wontrop, 2424 Hartfell Rd, Cockeysville, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other 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 Robert John Wontrop, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Robert John Wontrop Contact Information
Address: 2424 Hartfell Road, Cockeysville, MD 21030
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Robert John Wontrop Cockeysville
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Robert John Wontrop has a BuildZoom score of 90, which places them above 47% of 58,058 contractors in Maryland.
Activity
|
3 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Robert John Wontrop has worked on at least
6.0 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
|
6 projects
|
Mechanical projects |
|
5 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Robert John Wontrop mostly works on
mechanical project
and hvac project
projects.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $30,500. 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.
Install 2 packaged rooftop units with duct systems 1 exhaust fan humidifiers and dehumidifiers
Valuation:
$254,380
Permit #:
M02219141
Status:
complete
Fee:
$1,439
Permit Type:
N/A
Building Type:
N/A
1 - 7.5 ton remote terminal unit 2 bathroom fans air devices duct & insulation air balance
Valuation:
$36,800
Permit #:
M02220158
Status:
complete
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Install one 4 ton remote terminal unit & duct system
Valuation:
$25,000
Permit #:
M02215778
Status:
complete
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Replace existing supply and return air devices
Valuation:
$1,000
Permit #:
M02224357
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Install 2 - 80 cfm toilet room exhaust fans
Valuation:
$1,200
Permit #:
M02215559
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Furnish and install 3 split system heat pumps and duct systems for new tenant building out
Valuation:
$36,000
Permit #:
M02212843
Status:
complete
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Robert John Wontrop Reviews
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Verified License
BuildZoom confirmed this contractor's license
Robert John Wontrop License info
Verified License
| License # | 5157 |
| 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 Robert John Wontrop 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 # | 71765 |
| Status | Active |
| State | Maryland |
- When BuildZoom last verified this license, it had an expiration date of April, 2014. Check the current license status of Robert John Wontrop with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
6
Permits
- Building permit records show that Robert John Wontrop has worked on 6 permitted projects.
Robert John Wontrop Employees
RW
Robert John Wontrop
Owner