Updated: Jun 09, 2026
Location and Projects
Address
11 BERKLEY AVE, Southington, CT, 06489
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Mark Dlugoszewski HVAC/Mechanical Contractor
Mark Dlugoszewski, 11 Berkley Ave, Southington, CT holds a Heating, Piping & Cooling Unlimited Contractor license according to the Connecticut 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 Mark Dlugoszewski, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Dlugoszewski Contact Information
Address: 11 BERKLEY AVE, Southington, CT 06489
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Mark Dlugoszewski Southington
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mark Dlugoszewski has a BuildZoom score of 90, which places them above 47% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Mark Dlugoszewski has worked on at least
1.0 project 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.
Pricing
|
1 project
|
$5k-$20k |
|
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.
No c/a install radiant floor tubing manifolds and associated piping to boiler all temperature controls heat pump air handler and ductwork refrigerant piping to outdoor condenser all registers & grills propane piping to boiler and water heater flue & combustion piping erv system with ductwork and controls
Valuation:
$44,000
Permit #:
M-25-30292
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No c/a install pvc drainage waste & vent piping connecting to septic install all water piping from well connection to in wall to fixtures for two full bathrooms kitchen washing machine and outside hose bibs and propane water heater
Valuation:
$19,000
Permit #:
P-25-26026
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No c/a install pvc drainage waste & vent piping connecting to septic install all water piping from well connection to in wall to fixtures for two full bathrooms kitchen washing machine and outside hose bibs and propane water heater
Valuation:
$19,000
Permit #:
P-25-26026
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install pvc conduit in trench from transformer vault to foundation of house. install 200 amp meter service and main panel whole house wiring with all boxes switches covers and fixtures. crs# 21847694 grouped with b-25-83970 for ca
Valuation:
$11,600
Permit #:
E-25-47073
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mark Dlugoszewski Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mark Dlugoszewski License info
Verified License
| License # | HTG.0303411-S1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Unlimited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mark Dlugoszewski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Mark Dlugoszewski Employees
MD
Mark Dlugoszewski