Updated: Nov 11, 2025
Location and Projects
Headquarters Address
605 FRONT ST, Manchester, NH, 03102
Local address
Holliston, MA, 01746
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Denron Plumbing & HVAC LLC
Denron Plumbing & HVAC LLC, Holliston, MA (Owned by: Dennis G Morrissette) holds a Sheet Metal Business license and 6 other licenses according to the Massachusetts license board.
Their BuildZoom score of 97 ranks in the top 18% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Denron Plumbing & HVAC LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Denron Plumbing & HVAC LLC Contact Information
Phone Number: (603) 627-4186
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Building Permits by Denron Plumbing & HVAC LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
(1) other (use description field) floor bsm; relocation of gas meter reconnect to generator. utility company is running gas line from street we're just reconnecting to building and generator
Valuation:
N/A
Permit #:
BLDG230450
Status:
applied
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Reconnect (15) kitchen fixtures and (5) bathroom fixtures
Valuation:
N/A
Permit #:
PLUM-070163-2025
Status:
final
Fee:
$1,025
Permit Type:
N/A
Building Type:
N/A
Replace current 40g hwt with new 50g hot tank; expansion tank mixing vavle and vac breaker
Valuation:
N/A
Permit #:
P-24-1000
Status:
complete
Fee:
N/A
Permit Type:
Gas water heater ...
Building Type:
N/A
Rerouting 1st floor-basement ceiling drainage by gravity to new sanitary invert. providing a sewerage ejector for basement level fixtures only
Valuation:
N/A
Permit #:
P-20-0022
Status:
issued
Fee:
$60
Permit Type:
N/A
Building Type:
Residential
Retirement community building with 99% residential. total of 40 units
Valuation:
$500,000
Permit #:
P-18-0616
Status:
issued
Fee:
$5,887
Permit Type:
N/A
Building Type:
Commercial
Retirement community building with mix use. total of 100 units
Valuation:
$1,200,000
Permit #:
P-18-0615
Status:
issued
Fee:
$14,240
Permit Type:
N/A
Building Type:
Commercial
Cutting and capping water service in the main house that supplies the care tackers house located remotely on the property
Valuation:
$100
Permit #:
P-18-0437
Status:
issued
Fee:
$55
Permit Type:
N/A
Building Type:
Residential
Cutting and capping water service in the main house that supplies the care tackers house located remotely on the property
Valuation:
$100
Permit #:
P-18-0437
Status:
issued
Fee:
$55
Permit Type:
N/A
Building Type:
Residential
Gas to water heaters unit furnaces and remote terminal unit
Valuation:
N/A
Permit #:
G-19-0473
Status:
issued
Fee:
$475
Permit Type:
N/A
Building Type:
Residential
Replace 40 gal natural gas water heater
Valuation:
$60
Permit #:
19-21P
Status:
expired
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Other is for charbroiler
Valuation:
N/A
Permit #:
G-19-0474
Status:
issued
Fee:
$956
Permit Type:
N/A
Building Type:
Residential
Replace water heater
Valuation:
$1,220
Permit #:
19-25G
Status:
expired
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Building 1 apt: 12022nd fl: 1 water heater
Valuation:
N/A
Permit #:
52166
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Multifamily 3+
New 4 unit apartment
Valuation:
$40,000
Permit #:
18-84P
Status:
final
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
2nd fl: 1 water heater
Valuation:
N/A
Permit #:
52120
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Multifamily 3+
Building 1- temp heat
Valuation:
$1,000
Permit #:
18-82G
Status:
final
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Adding a backflow for a temporary yard hydrant
Valuation:
N/A
Permit #:
P-19-0346
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Renovation of a starbucks. moving/adding misc fixtures floor drains floor sinks hand sinks pot sinks etc
Valuation:
$20,000
Permit #:
P-17-448
Status:
complete
Fee:
$160
Permit Type:
plumbing/gas remodel
Building Type:
Commercial
1st fl: 1 water heater
Valuation:
N/A
Permit #:
52119
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Multifamily 3+
Domestic water and sewer underground hook up for construction trailer
Valuation:
N/A
Permit #:
P16-000201
Status:
issued
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Denron Plumbing & HVAC LLC License info
Verified License
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal Business |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Denron Plumbing & HVAC LLC at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4425 |
| Status | Active |
| State | Massachusetts |
| Type | Plumbing Business |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Denron Plumbing & HVAC LLC with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2061 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Denron Plumbing & HVAC LLC at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9793 |
| Status | Active |
| City | Newton |
| Type | Heater Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Denron Plumbing & HVAC LLC with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9793 |
| Status | Active |
| City | Newton |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Denron Plumbing & HVAC LLC with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2061 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumbing Business |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Denron Plumbing & HVAC LLC at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1118 |
| Status | Inactive |
| State | Massachusetts |
| Type | Plumbing Business |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Denron Plumbing & HVAC LLC at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
23
Permits
- Building permit records show that Denron Plumbing & HVAC LLC has worked on 23 permitted projects.
Denron Plumbing & HVAC LLC Employees
DM
Dennis G Morrissette
Owner
JB
Joseph F Bellefeuille
Owner
JB
Joseph F. Bellefeuillejr.
Owner