Updated: Jun 08, 2026
Location and Projects
Address
31 PUTTKER RD, North Stonington, CT, 06359
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Mark S Adams HVAC/Mechanical Contractor
Mark S Adams, 31 Puttker Rd, North Stonington, CT (Employee: Mark Adams) holds a Heating, Piping & Cooling Unlimited Contractor license according to the Connecticut license board.
Their BuildZoom score of 91 ranks in the top 37% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark S Adams, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark S Adams Contact Information
Phone Number: (860) 599-1800
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Address: 31 PUTTKER RD, North Stonington, CT 06359
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This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
8349
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate and replace total hvac equipment ductwok for new addition with new zone.need heat cooling loads
Valuation:
$30,000
Permit #:
PRHV20140005606
Status:
N/A
Fee:
N/A
Permit Type:
HVAC
Building Type:
One family dwelli...
No Description Available
Valuation:
$6,000
Permit #:
M-15-5
Status:
issued
Fee:
$103
Permit Type:
Boiler/furnace re...
Building Type:
One & two family
Install heat pump system
Valuation:
$1,800
Permit #:
H-12-0155
Status:
issued
Fee:
$20
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$12,600
Permit #:
M-16-14
Status:
complete
Fee:
$224
Permit Type:
HVAC replacement - r
Building Type:
One & two family
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Verified License
BuildZoom confirmed this contractor's license
Mark S Adams License info
Verified License
| License # | HTG.0303565-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 S Adams at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Mark S Adams Employees
MA
Mark Adams
MA
Mark S Adams
Owner