Updated: Aug 26, 2025
Location and Projects
Address
1982 Butler Pike, Conshohocken, PA, 19428
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DE Duffey and Sons Construction
Their BuildZoom score of 97 ranks in the top 18% of 125,106 Pennsylvania licensed contractors.
If you are thinking of hiring DE Duffey and Sons Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DE Duffey and Sons Inc Services
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DE Duffey and Sons Inc Contact Information
Phone Number: (610) 940-1400
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Address: 1982 Butler Pike, Conshohocken, PA 19428
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DE Duffey and Sons Inc Conshohocken
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
DE Duffey and Sons Inc has a BuildZoom score of 97, which places them above 82% of 125,106 contractors in Pennsylvania.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that DE Duffey and Sons Inc has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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 DE Duffey and Sons Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
$11,729
Permit #:
H-2023036
Status:
applied
Fee:
$211
Permit Type:
Residential
Building Type:
N/A
Ez permit ductwork & warm-air appliances- for the installation of new ductwork registers/grilles/diffusers and warm-air appliances as per attached standard. deviations from this standard will result in permit revocation and require submission of construction plans
Valuation:
N/A
Permit #:
1027858
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new gas furnace and air conditioning with duct work for exercise and living area only
Valuation:
N/A
Permit #:
726382
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) hvac unit with ductwork.****single family dwelling****
Valuation:
N/A
Permit #:
675877
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 1/2 ton air conditioning 42, 000 dv gas furnace 9 supply registers
Valuation:
N/A
Permit #:
719137
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install of new gas furnance & air conditioning system. rheem gas furnace serial# rgrt-07emaes. rheem air conditioning unit serial # 13ajn+36a01
Valuation:
N/A
Permit #:
427763
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furance and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434920
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furnace and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434923
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furance and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434925
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furanace and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434934
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furnace and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434935
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furance and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
434939
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furnance and central air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
435018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new gas fired warm air furnance and entral air conditioning system along with all necessary ductwork
Valuation:
N/A
Permit #:
435020
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air conditioning system(s)
Valuation:
$5,500
Permit #:
MECH003762
Status:
issued
Fee:
$24
Permit Type:
N/A
Building Type:
N/A
Air conditioning system(s)
Valuation:
N/A
Permit #:
MECH003768
Status:
issued
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$24,195
Permit #:
H-2025490
Status:
applied
Fee:
$327
Permit Type:
New residential
Building Type:
N/A
Install (1) hvac unit with ductwork & associated accessories
Valuation:
N/A
Permit #:
776843
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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DE Duffey and Sons Inc Reviews
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DE Duffey and Sons Inc License info
License Not Verified
| HIC # | PA001895 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of DE Duffey and Sons Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | 43211 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of DE Duffey and Sons Inc with the City of Philadelphia Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | PA001895 |
| Status | Active |
| State | Pennsylvania |
| Type | Installation and service of all types of heating and cooling systems. Both new construction and replacement.Home fuel oil delivery. HVAC |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of DE Duffey and Sons Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Emcasco Insurance Co. |
| Insured up to | $1,000,000 |
18
Permits
- Building permit records show that DE Duffey and Sons Inc has worked on 18 permitted projects.
DE Duffey and Sons Inc Employees
DD
Daniel P. Duffey
Owner-President