Updated: Jun 02, 2026
Location and Projects
Address
92 WOOSTER ST, Naugatuck, CT, 06770
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Donald E Martindale Jr HVAC/Mechanical Contractor
Donald E Martindale Jr, 92 Wooster St, Naugatuck, CT (Employee: Donald Martindale) holds a Heating, Piping & Cooling Unlimited Contractor license according to the Connecticut license board.
Their BuildZoom score of 99 ranks in the top 15% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Donald E Martindale Jr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Donald E Martindale Jr Contact Information
Address: 92 WOOSTER ST, Naugatuck, CT 06770
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Donald E Martindale Jr Naugatuck
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Donald E Martindale Jr has a BuildZoom score of 99, which places them above 85% of 12,093 contractors in Connecticut.
Activity
|
5 projects
|
2023 |
Our building permit records indicate that Donald E Martindale Jr has worked on at least
5.0 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
|
5 projects
|
Mechanical projects |
|
5 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Donald E Martindale Jr mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $22,550. This graph shows the distribution of these job values.
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.
Building Permits by Donald E Martindale Jr
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new a.o. smith hptu50n water heater bosch bova-36hdnim20g heat pump 3 ton unit & bosch bv24wn1m20 air handler
Valuation:
$28,800
Permit #:
23-47M
Status:
expired
Fee:
$470
Permit Type:
Rooftop solar (co...
Building Type:
N/A
Replace oil furnace in basement with new thermo product vlf-dbp oil furnace & hot water heater with new a.o. smith 50 gallon hp water heater
Valuation:
$14,500
Permit #:
22-117M
Status:
complete
Fee:
$174
Permit Type:
Mechanical stand ...
Building Type:
N/A
Install trane s9x1b08004bba gas furnace in basement & install new air conditioning trane 4ttr4048n1000a 4 ton unit
Valuation:
$26,740
Permit #:
23-66M
Status:
expired
Fee:
$472
Permit Type:
Mechanical stand ...
Building Type:
N/A
Install navien ncb-240/130 gas boiler in basement (*oil to gas conversion*)
Valuation:
$11,890
Permit #:
23-22M
Status:
expired
Fee:
$243
Permit Type:
Mechanical stand ...
Building Type:
N/A
Install new ducted central air conditioning system bryant 116bna042000 3.5 ton unit
Valuation:
$15,630
Permit #:
22-69M
Status:
expired
Fee:
$235
Permit Type:
Air conditioning ...
Building Type:
N/A
Set (1) 120 gallon a/g propane tank and tie into existing gas line for furnace
Valuation:
$1,000
Permit #:
22-2G
Status:
expired
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Install new air conditioning system trane 4ttr6036j100a 3 ton unit
Valuation:
$17,745
Permit #:
22-70M
Status:
complete
Fee:
$262
Permit Type:
Air conditioning ...
Building Type:
N/A
Replace central air conditioning with new heat pump system bosch bovb-36hdn1 3 ton unit
Valuation:
$17,265
Permit #:
23-103M
Status:
complete
Fee:
$262
Permit Type:
Mechanical stand ...
Building Type:
N/A
Set (2) 120 gallon a/g propane tanks for boiler (*piping by others*)
Valuation:
$1,000
Permit #:
22-4G
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Install replacement oil fired boiler - burnham mpo-iq115b
Valuation:
$12,500
Permit #:
22-109M
Status:
complete
Fee:
$195
Permit Type:
Mechanical stand ...
Building Type:
N/A
Set (1) 500 gallon a/g propane tank and run approx. 20ft of 3/4 poly piping to generator
Valuation:
$1,300
Permit #:
M-21-299
Status:
issued
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Set (2) 120 gallon a/g propane tanks and run 25ft of 3/4 black piping for generator
Valuation:
$1,300
Permit #:
21-22-0241
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Set (2) 120 gallon a/g propane tanks and run 15ft 1/2 coated copper for generator
Valuation:
$1,480
Permit #:
G-21-61
Status:
complete
Fee:
N/A
Permit Type:
Gas tank above gr...
Building Type:
Single family
Install (1) 250 gallon a/g lp tank and run 12ft of 3/4 poly pipe for generator
Valuation:
$750
Permit #:
G-21-36
Status:
complete
Fee:
N/A
Permit Type:
Propane tanks
Building Type:
Single family
Install (2) 1000 gallon u/g propane tank and run 50ft of 1 pe piping for commercial heat hot water and generator
Valuation:
N/A
Permit #:
49080
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Set (2) 120 gallon a/g propane tanks + run 20ft of 1/2 csst line for boiler
Valuation:
$1,000
Permit #:
21-46G
Status:
expired
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Install new heat pump system mitsubishi ntxmsh42a152aa unit
Valuation:
$22,550
Permit #:
23-78M
Status:
complete
Fee:
$328
Permit Type:
Mechanical stand ...
Building Type:
N/A
Set (1) 120 gallon a/g propane tank and run approx 20ft of 3/4 poly line
Valuation:
$1,042
Permit #:
G-21-71
Status:
issued
Fee:
N/A
Permit Type:
Gas tank above gr...
Building Type:
Single family
Set (2) 120 gallon a/g propane tanks and run 10ft of 1/2 coated copper line for heating hot water
Valuation:
$275
Permit #:
G-20-111
Status:
complete
Fee:
N/A
Permit Type:
Gas tank above gr...
Building Type:
Single family
Install (2) 500 gallon a/g propane tanks and run 15ft of 1/2 pe piping for each for heating
Valuation:
$1,370
Permit #:
G-20-147
Status:
complete
Fee:
N/A
Permit Type:
Gas tank above gr...
Building Type:
Single family
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Donald E Martindale Jr Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Donald E Martindale Jr License info
Verified License
| License # | HTG.0303642-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 Donald E Martindale Jr at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
44
Permits
- Building permit records show that Donald E Martindale Jr has worked on 44 permitted projects.
Donald E Martindale Jr Employees
DM
Donald Martindale