Updated: Jun 06, 2026
Location and Projects
Address
176 FRANKLIN STREET EXT, Danbury, CT, 06810
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Jennings Oil Company HVAC/Mechanical Contractor
Jennings Oil Company, 176 Franklin Street Ext, Danbury, CT (Employee: Jeffrey Jennings) holds a Heating, Piping & Cooling Limited Contractor license according to the Connecticut license board.
Their BuildZoom score of 105 ranks in the top 8% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jennings Oil Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jennings Oil Company Contact Information
Address: 176 FRANKLIN STREET EXT, Danbury, CT 06810
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Jennings Oil Company Danbury
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jennings Oil Company has a BuildZoom score of 105, which places them above 92% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
|
12 projects
|
2024 |
|
15 projects
|
2023 |
Our building permit records indicate that Jennings Oil Company has worked on at least
28.0 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
|
19 projects
|
Mechanical projects |
|
4 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Jennings Oil Company mostly works on
mechanical project
and hvac project
projects.
Pricing
|
8 projects
|
< $5k |
|
19 projects
|
$5k-$20k |
The typical size of their permits is approximately $5,475. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace oil boiler in basement with new peerless wbv-03 oil boiler in same location replace indirect water heater and replace 275 gallon oil tank in basement with new 275 gallon oil tank in same location
Valuation:
$17,624
Permit #:
M-22-85
Status:
complete
Fee:
N/A
Permit Type:
HVAC- residential
Building Type:
Single family
Installing 1-57 gallon propane tank on the side of the house and running new gas line from the tank to the cooking range connecting and converting
Valuation:
$1,742
Permit #:
P-23-4
Status:
complete
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Increasing storage to 3-120 gallon tanks from 1 in same location and running new gas line from tanks to the generator installed by others
Valuation:
$2,618
Permit #:
M-24-67
Status:
complete
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Installing 1-500 gallon above ground propane tank and trenching a new line to teh generator being installed by otheres. installing new poly line in greound
Valuation:
$7,810
Permit #:
P-22-79
Status:
complete
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
In stalling 2-120 gallon above ground propane tanks against the garage wall and running to generator by others
Valuation:
$1,897
Permit #:
P-23-32
Status:
issued
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Installing 1-120 gallon asme propane tank on right rear of house running copper tubing inside to water heater and cooking range installing a new on demand water heater and venting out through the wall. installing a rinnai r75
Valuation:
$4,800
Permit #:
P-21-90
Status:
issued
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Installing 1-57 gallon above ground propane tank left side of home and line to gas range
Valuation:
N/A
Permit #:
25-15G
Status:
filed
Fee:
$47
Permit Type:
N/A
Building Type:
N/A
Replace oil boiler & water heater in basement with new system 2000 ek1 resolute oil boiler
Valuation:
$16,181
Permit #:
M-23-10
Status:
complete
Fee:
N/A
Permit Type:
Boiler/furnace re...
Building Type:
Single family
Excavate and bury 1-500 gallon propane tank and run lines from tank house connect to existing and generator being installed by others poly line under ground copper tube interior
Valuation:
$7,800
Permit #:
P-21-58
Status:
issued
Fee:
N/A
Permit Type:
Propane tanks - u...
Building Type:
Single family
Remove existing 275 gallon oik tank outside and install new roth 275 gallon tank in new location inside
Valuation:
$5,475
Permit #:
M-24-91
Status:
issued
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
N/A
Replace 275 gallon oil tank under porch with new 275 gallon oil tank in same location
Valuation:
$5,950
Permit #:
M-23-80
Status:
issued
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
Single family
Installing 2-120 gallon tanks on rear of home and running gas line through the house to the pool heater
Valuation:
$3,151
Permit #:
P-24-60
Status:
issued
Fee:
N/A
Permit Type:
Propane tanks - a...
Building Type:
Single family
Installing 1-500 gallon under ground propane tank and line to generator by others
Valuation:
$9,430
Permit #:
P-23-8
Status:
complete
Fee:
N/A
Permit Type:
Propane tanks - u...
Building Type:
Single family
Set 57 propane tank connect and convert range connect to existing line (has existing line not approved from yrs ago ?? we will inspect and put 24 hr pressure test on ) any questions pls call 203.648.1224 john s cell
Valuation:
$600
Permit #:
TM-20-332
Status:
filed
Fee:
$60
Permit Type:
Gas piping
Building Type:
Single family
Replace boiler in basement: trio max prom3t oil-fired boiler and install combustion air system
Valuation:
$12,955
Permit #:
M-24-43
Status:
complete
Fee:
N/A
Permit Type:
Boiler/furnace re...
Building Type:
Single family
Remove existing 275 gallon tank in basement and install new roth 275 gallon tank in same location
Valuation:
$5,475
Permit #:
M-24-82
Status:
complete
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
N/A
Remove existing 275 gal oil tank in basment and install roth 275 gal oil tank in same location
Valuation:
$5,475
Permit #:
M-24-36
Status:
issued
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
N/A
Replace (2) existing 275 gal oil tanks in basement w (2) new roth dwt 275 gal oil tanks
Valuation:
$8,969
Permit #:
M-24-50
Status:
issued
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
Multi family
Diane taing - install a leased 57 gallon propane tank and vapor supply line to range and bbq. tank to be located on rear of house and line will run under deck and into range teeing off for bbq
Valuation:
$1,142
Permit #:
G-20-12
Status:
complete
Fee:
N/A
Permit Type:
Gas tank above gr...
Building Type:
Single family
Replace 275 gallon outdoor oil tank with new 275 gallon outdoor oil tank in same location
Valuation:
$5,975
Permit #:
M-22-273
Status:
issued
Fee:
N/A
Permit Type:
Fuel tanks- resid...
Building Type:
N/A
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Jennings Oil Company Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Jennings Oil Company License info
Verified License
| License # | HTG.0391968-S7 |
| 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 Jennings Oil Company at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
145
Permits
- Building permit records show that Jennings Oil Company has worked on 145 permitted projects.
Jennings Oil Company Employees
JJ
Jeffrey Jennings