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Location and Projects

Address
1982 Butler Pike, Conshohocken, PA, 19428
Use our bidding system to request a quote

DE Duffey and Sons Construction

Serving Conshohocken, Pennsylvania and the surrounding region, DE Duffey and Sons Inc specializes in electrical contracting services. The company works on projects ranging from new construction electrical systems to upgrades for existing commercial and industrial properties. With over a decade in business, DE Duffey and Sons Inc has experience with lighting installation, electrical panel upgrades, power distribution, and system wiring. The team provides services for property owners, facility managers, and developers, supporting both large-scale and routine electrical needs. Their project scope includes electrical fit-outs for offices, warehouses, and multi-unit facilities across the greater Conshohocken area. Drawing on 14 years of industry presence, the company delivers solutions designed to meet the specific technical and regulatory requirements of each electrical installation.

DE Duffey and Sons Inc Contact Information

Phone: (610) 940-1400 Edit
Address: 1982 Butler Pike, Conshohocken, PA 19428 Edit

DE Duffey and Sons Inc Conshohocken

Quality

97
82nd percentile
How is the BuildZoom score calculated?
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.

Pricing

1 project
 $5k-$20k
1 project
 $20k-$50k
Value Not Public: 0 projects
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

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Hvac
911 Tyson Dr, West Chester, PA, 19382
2023-01-31
No Description Available
Valuation:
$11,729
Permit #:
H-2023036
Status:
applied
Fee:
$211
Permit Type:
Residential
Building Type:
N/A
Mechanical permit
8800 Towanda Ave, Philadelphia, PA, 19118
2019-11-15
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
Mechanical permit
8109 St Martins Ln, Philadelphia, PA, 19118
2016-10-03
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
Mechanical permit
3308 Baring St, Philadelphia, PA, 19104
2016-03-11
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
Mechanical permit
230 Jamestown Ave, Philadelphia, PA, 19128
2016-09-15
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
Mechanical permit
4343 Lauriston St, Philadelphia, PA, 19128
2012-09-17
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
Mechanical permit
7140 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7142 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7144 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7146 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7148 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7150 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7152 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Mechanical permit
7154 Devon St, Philadelphia, PA, 19119
2012-11-01
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
Building Permit
4 Black Friar Rd, Bryn Mawr, PA, 19010
2012-08-10
Air conditioning system(s)
Valuation:
$5,500
Permit #:
MECH003762
Status:
issued
Fee:
$24
Permit Type:
N/A
Building Type:
N/A
Building Permit
304 Conestoga Rd, Wayne, PA, 19087
2012-08-15
Air conditioning system(s)
Valuation:
N/A
Permit #:
MECH003768
Status:
issued
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
Hvac
308 Beechwood Rd, West Chester, PA, 19382
2025-08-26
No Description Available
Valuation:
$24,195
Permit #:
H-2025490
Status:
applied
Fee:
$327
Permit Type:
New residential
Building Type:
N/A
Mechanical permit
613-15 Gates St, Philadelphia, PA, 19128
2017-04-20
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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