Updated: Jun 10, 2025
Location and Projects
Address
Hanover, MA, 02339
Use our bidding system to
request a quote
Dennis P Blackwell Plumber
Their BuildZoom score of 99 ranks in the top 15% of 139,240 Massachusetts licensed contractors.
If you are thinking of hiring Dennis P Blackwell, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Dennis P Blackwell Services
Start a project today:
Dennis P Blackwell Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Dennis P Blackwell Hanover
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Dennis P Blackwell has a BuildZoom score of 99, which places them above 85% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Dennis P Blackwell has worked on at least
10.0 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
|
9 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Dennis P Blackwell mostly works on
plumbing project
projects.
Pricing
|
9 projects
|
< $5k |
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 3/4ips below ground gas line for pool heater -test will be at the propane tanks
Valuation:
$2,000
Permit #:
G-24-0231
Status:
complete
Fee:
$85
Permit Type:
N/A
Building Type:
Residential
Gas line from propane tanks to emergency generator
Valuation:
$700
Permit #:
G-23-1078
Status:
issued
Fee:
N/A
Permit Type:
New work
Building Type:
N/A
Below ground gas line from propane tanks to emergency generator
Valuation:
$1,500
Permit #:
G-24-34
Status:
issued
Fee:
N/A
Permit Type:
New work
Building Type:
N/A
Tied in new pool heater and installed new pressure relief valve
Valuation:
$300
Permit #:
G-22-0190
Status:
complete
Fee:
$55
Permit Type:
Replacement
Building Type:
N/A
Tied in replacement pool heater and installed new prv
Valuation:
$300
Permit #:
G-22-0208
Status:
complete
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
3/4 black iron pipe from propane tanks to pool heater
Valuation:
$1,000
Permit #:
G-24-0232
Status:
complete
Fee:
$85
Permit Type:
N/A
Building Type:
Residential
Gas test; due to gas being shut off by gas company
Valuation:
N/A
Permit #:
G-22-0444
Status:
final
Fee:
$40
Permit Type:
N/A
Building Type:
Residential
Below ground gas line from propane tanks to emergency generator
Valuation:
$1,300
Permit #:
G-21-0240
Status:
complete
Fee:
$85
Permit Type:
New
Building Type:
N/A
New propane gas line from propane tank to range. approximately 60
Valuation:
$1,100
Permit #:
G-21-0410
Status:
complete
Fee:
$45
Permit Type:
New
Building Type:
N/A
Gas line and quick disconnect installed for gas grille
Valuation:
N/A
Permit #:
G-21-0328
Status:
issued
Fee:
$45
Permit Type:
New
Building Type:
N/A
Tie in new replacement pool heater and install pr valve
Valuation:
$150
Permit #:
G-23-80
Status:
issued
Fee:
N/A
Permit Type:
Gas - replacement
Building Type:
One & two family
Replace unit heater hot dawg 30, 000 btu suspended heater
Valuation:
$1,600
Permit #:
G-23-127
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
15 gas line from propane tank to existing service
Valuation:
$500
Permit #:
G-21-0426
Status:
issued
Fee:
$35
Permit Type:
New
Building Type:
N/A
Gas pipe pool heater
Valuation:
$1,600
Permit #:
GP-25-70
Status:
issued
Fee:
$70
Permit Type:
Additions
Building Type:
N/A
Gas piped from propane tanks to pool heater
Valuation:
$425
Permit #:
G-21-0142
Status:
issued
Fee:
$45
Permit Type:
New
Building Type:
N/A
Running propane gas line to fire pit and grill
Valuation:
$1,000
Permit #:
G-21-0186
Status:
issued
Fee:
$55
Permit Type:
New
Building Type:
N/A
Two lp units (1-dv fireplace ; 1-dv cast iron stove) to gas pipe each one at opposite sides of the house
Valuation:
$800
Permit #:
22704
Status:
issued
Fee:
N/A
Permit Type:
Lp gas
Building Type:
Single family
Propane gas line from tank to range
Valuation:
$500
Permit #:
G-21-0281
Status:
issued
Fee:
$45
Permit Type:
New
Building Type:
N/A
Tying in new replacement spa heater
Valuation:
$300
Permit #:
G-21-0333
Status:
issued
Fee:
$35
Permit Type:
Replacement
Building Type:
N/A
Propane gas line from propane tanks to emergency generator
Valuation:
$1,000
Permit #:
G-20-233
Status:
issued
Fee:
$135
Permit Type:
New
Building Type:
One or two family...
Similar Contractors See more
124
BZ Score
$5K
Avg Project
-
Projects
123
BZ Score
$3.3K
Avg Project
-
Projects
123
BZ Score
$2K
Avg Project
-
Projects
Dennis P Blackwell Reviews
BuildZoom hasn't received any reviews for Dennis P Blackwell. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a plumber in your area today
We'll search our vast network of Plumbers and connect
you with one that meets your needs today.
Dennis P Blackwell License info
License Not Verified
| License # | 3738 |
| Status | Active |
| State | Massachusetts |
| Type | Gas Fitter |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Dennis P Blackwell with 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 # | 3738 |
| 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 Dennis P Blackwell with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
188
Permits
- Building permit records show that Dennis P Blackwell has worked on 188 permitted projects.