Updated: Jun 04, 2026
Location and Projects
Address
309BERKSHIRE RD, Sandy Hook, CT, 06482
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Andrew Marcinowski HVAC/Mechanical Contractor
Andrew Marcinowski, 309 Berkshire Rd, Sandy Hook, CT holds a Heating, Piping & Cooling Limited Contractor license and 2 other licenses 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 Andrew Marcinowski, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Andrew Marcinowski Contact Information
Address: 309BERKSHIRE RD, Sandy Hook, CT 06482
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Andrew Marcinowski Sandy Hook
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Andrew Marcinowski has a BuildZoom score of 90, which places them above 47% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Andrew Marcinowski has worked on at least
1.0 project over the past 2 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.
Pricing
|
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.
Replace existing gas boiler and burner with high eff direct vent side of building. (gas to gas)
Valuation:
$6,000
Permit #:
RM-24-218
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Oil to gas conversion 90+- gas test done w previous permit for stove
Valuation:
$5,000
Permit #:
H-8-13-15844
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace oil furnace with gas fired & addition 40 gal indirect heater
Valuation:
$5,000
Permit #:
H-10-11-10935
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace oil boiler w condensing gas 90+
Valuation:
$10,000
Permit #:
H-1-13-14116
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace oil fired boiler w gas fired 90+
Valuation:
$9,000
Permit #:
H-8-12-12822
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install wood stove
Valuation:
$2,000
Permit #:
PR20162490
Status:
issued
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner & cap
Valuation:
$300
Permit #:
CHL-10-11-10936
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Andrew Marcinowski Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Andrew Marcinowski License info
Verified License
| License # | HTG.0307876-ST1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Andrew Marcinowski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HTG.0308099-B3 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Andrew Marcinowski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HTG.0307556-D1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Andrew Marcinowski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
6
Permits
- Building permit records show that Andrew Marcinowski has worked on 6 permitted projects.
Andrew Marcinowski Employees
AM
Andrew Marcinowski