Updated: Aug 06, 2026
Location and Projects
Address
8004 Traymore Avenue, Philadelphia, PA, 19019
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Patterson & Kopp Construction
Patterson & Kopp LLC specializes in bespoke home renovations and additions throughout the Philadelphia area, including neighborhoods such as Chestnut Hill, Merion Station, Lafayette Hill, Roxborough, and Huntingdon Valley. Based in Wyndmoor, PA, this general contracting company manages complex renovation projects for both historic and modern homes. Their portfolio includes custom carpentry, large-scale home additions, and bathroom remodels. Patterson & Kopp blends traditional carpentry techniques with modern construction methods to tackle projects of varying scopes, from restoring historic properties to transforming contemporary residences. With nine years in the business, they provide comprehensive renovation services for residential clients seeking tailored solutions.
Patterson & Kopp LLC Services
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Patterson & Kopp LLC Contact Information
Phone Number: (215) 948-3817
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Address: 8004 Traymore Avenue, Philadelphia, PA 19019
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Patterson & Kopp LLC Philadelphia
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Patterson & Kopp LLC has a BuildZoom score of 102, which places them above 89% of 125,106 contractors in Pennsylvania.
Activity
|
1 project
|
2025 |
|
5 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Patterson & Kopp LLC has worked on at least
7.0 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
|
6 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Patterson & Kopp LLC mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $117,500. 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.
For the erection of a 4th floor addition and roof deck and level ii alterations throughout to include new partitions new doors fixtures furnishings finishes as per approved plans. building to be sprinklered per nfpa 13d at addition minimum. separate permits required for all mep and fire suppression work
Valuation:
$300,000
Permit #:
RP-2023-006865
Status:
expired
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For interior alterations to an existing attached single-family dwelling as per approved plan. *separate permits required for electrical plumbing and mechanical work* **underpinning is not part of this permit**
Valuation:
$15,000
Permit #:
RP-2024-011958
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the demolition to the existing roof deck and roof access structure erection of one story addition and replacement of roof deck above third floor. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits to be obtained for all other work
Valuation:
$95,000
Permit #:
RP-2024-002693
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the erection of a roof deck and roof deck access structure above third floor of an existing attached building
Valuation:
$350,000
Permit #:
RP-2023-002044
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the demolition and reconstruction of a semi-detached garage accessory to an existing semi-detached single family dwelling per plans. separate permits required for all associated mep work
Valuation:
$80,000
Permit #:
RP-2021-018316
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Rear addition and alteraton to the kitchen and bathroom
Valuation:
$140,000
Permit #:
RP-2023-007692
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the construction of a rear one (1) story addition to an existing attached single family structure as per plan
Valuation:
$70,000
Permit #:
RP-2020-011411
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level ii interior alterations to suite 600 as per approved plans. no change to exterior of structure. **separate permits required for mechanical electrical plumbing and fire suppression**
Valuation:
N/A
Permit #:
932930
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rear one story addition as part of an existing single family dwelling
Valuation:
N/A
Permit #:
ZP-2023-008138
Status:
issued
Fee:
N/A
Permit Type:
New construction ...
Building Type:
N/A
Make safe permit- for removal of free standing wall to resolve case #625499. abutting sidewalk must be closed with fencing a minimum of 6 in height. separate streets department permit required for sidewalk closure. a separate permit is required for any additional alterations that are not specifically addressed on case #625499
Valuation:
N/A
Permit #:
860600
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 story rear addition with interior renovations and driveway changes pt
Valuation:
N/A
Permit #:
R-2020-2569
Status:
complete
Fee:
$3,023
Permit Type:
N/A
Building Type:
N/A
Structural interior renovations pt
Valuation:
$57,535
Permit #:
R-2022-772
Status:
filed
Fee:
$1,163
Permit Type:
N/A
Building Type:
N/A
Renovation of three story attached structure including kitchen and bathrooms and rear roof deck at third floor level
Valuation:
N/A
Permit #:
845628
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction of a rear yard deck on detached single family structure
Valuation:
N/A
Permit #:
880412
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No change in use and occupancy classification. level iii interior alterations and structural work as per approved plans. entire building to be fully sprinklered per nfpa 13. separate permit required for any mep and fire suppression work. all work shall be in accordance with philadelphia historical commission approval
Valuation:
N/A
Permit #:
754607
Status:
ACTIVE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For the construction of a rear one (1) story addition to an existing attached single family structure as per plan.
Valuation:
N/A
Permit #:
RP-2020-011411
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovation per plan
Valuation:
$33,000
Permit #:
RP-2021-017254
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
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Patterson & Kopp LLC License info
Verified License
| HIC # | 47848 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Patterson & Kopp LLC at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | PA129058 |
| Status | Active |
| State | Pennsylvania |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Patterson & Kopp LLC at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Donegal |
| Insured up to | $1,000,000 |
12
Permits
- Building permit records show that Patterson & Kopp LLC has worked on 12 permitted projects.
Patterson & Kopp LLC Employees
GP
Geoffrey Patterson
Owner
KK
Kirk A. Kopp
Owner