Updated: Jun 06, 2026
Location and Projects
Address
5189 Ridge Ave, Philadelphia, PA, 19128
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Flatiron Building Company Plumber
Flatiron Building Company is a full service General Contractor and Construction Manager that serves greater Philadelphia and the surrounding metropolitan area. Our firm offers preconstruction, construction, post-construction and consulting services. Our Company has offered the right construction solutions for our customers at competitive rates since 1995.
At Flatiron Building Company we understand that the construction process can sometimes be overwhelming. Our professional goal is to build lasting relationships with our clients through professionalism, hard work and performance. Flatiron Building Company works closely with the clients, architect, owners and subcontractors to bring a worthwhile and gratifying conclusion to every project.
From BuildZoom: Flatiron Building Company, 5189 Ridge Ave, Philadelphia, PA holds a Contractor license according to the Philadelphia license board.
Their BuildZoom score of 109 ranks in the top 5% of 125,106 Pennsylvania licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Flatiron Building Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Flatiron Building Company Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Boiler/Water Heater
Fire Sprinkler Systems
Gas and Piping
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Demolition
Flatiron Building Company Contact Information
Phone Number: (215) 508-5100
Address: 5189 Ridge Ave, Philadelphia, PA 19128
Flatiron Building Company Philadelphia
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Flatiron Building Company has a BuildZoom score of 109, which places them above 95% of 125,106 contractors in Pennsylvania.
Activity
|
13 projects
|
2025 |
|
9 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that Flatiron Building Company has worked on at least
40.0 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
|
25 projects
|
Home Additions |
|
7 projects
|
Commercial Renovations |
|
21 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Flatiron Building Company mostly works on
home addition
and plumbing project
projects.
Pricing
|
1 project
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
16 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
4 projects
|
$500k-$1mil |
|
11 projects
|
$1mil+ |
The typical size of their permits is approximately $190,346. 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 Flatiron Building Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Level ii alterations (no change of occupancy) for renovations to existing group living facility to replace existing exterior fire stairway and create accessible toilet room on the ground floor as per approved plans. existing building sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work** amendment approved 7/12/25 amend alterations permit cp... see more
Valuation:
$1,115,000
Permit #:
CP-2025-000705
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For level ii alteration in basement at space 003 fire-pump room in an existing structure. alterations to include the partial demolish of an existing wall and the erection of partition walls. for use as previously approved. all work to be done per approved plans. ***************** separate permits to be obtained for all other work. ******************************************
Valuation:
$274,060
Permit #:
CP-2024-006319
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For level i interior alterations without a change in use and occupancy classification to an existing one (1) story detached structure (bin #1465606) containing twenty-five (25) dwelling units (group r-2). building is fully sprinklered. all work to be done per approved plans and in accordance with 2018 iebc. separate permits required for any additional alterations work and for mechanic... see more
Valuation:
$2,840,524
Permit #:
CP-2025-003689
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level i alterations (no change of occupancy) for renovations to existing eighteen (18) unit building as per approved plans and bbs variance no. mi-2025-006476. existing building fully sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$2,353,496
Permit #:
CP-2025-003709
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the exterior building restoration including roofing masonry repairs window repair and replacement replacement of existing fire escape reconfiguration of existing ada ramp rooftop equipment mechanical screen and interior renovations including structural work- interior floor re-framing per approved plans. if field conditions vary contact design engineer prior to the start of any wor... see more
Valuation:
$3,160,000
Permit #:
CP-2025-004156
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
*asbestos abatement required prior start of work.* for repairs and alterations to an existing education and training center (b e & a-3) including finishes accessibility upgrades and level 2 alterations as per application/plans and in accordance with the 2018 iebc. if field conditions vary contact design engineer prior to the start of any work. separate permit required for electrical m... see more
Valuation:
$4,500,000
Permit #:
CP-2024-005105
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the installation of registers diffusers and appliances with associated ductwork. appliances to be installed in accordance with manufacturer's specifications. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits required for all other work
Valuation:
$67,500
Permit #:
MP-2025-002380
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level i exterior alterations (no change of occupancy) for repairs to existing site walls as part of an existing university complex as per approved plans. no interior work on this permit. *2018 iebc review*
Valuation:
$150,000
Permit #:
CP-2025-001677
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level ii interior alterations (no change of occupancy) for renovations to suite 1000 in an existing higher educational facility (steinberg hall/dietrich hall) as per approved plans. existing building sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$1,015,000
Permit #:
CP-2024-002109
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Amendment: for the amendment of previously approved permit cp-2023-000405 to document change in utility rooms as shown per approved plans. if field coditions vary contact design professional prior to the start of any work. separate permits to be obtained for all other work. original: for level ii alterations to an existing four story building for use as a residential occupancy alterat... see more
Valuation:
$1,400,000
Permit #:
CP-2023-000405
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For level ii alterations to an existing four story building for use as a residential occupancy alterations to include the installation of an elevator and elevator enclosure with consolidation of the laundry room as shown per approved plans. building is fully sprinklered. if field conditions vary contact design engineer prior to the start of any work. separate permits to be obtained fo... see more
Valuation:
$1,600,000
Permit #:
CP-2023-000418
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level ii alterations (no change of occupancy) for renovations to first floor of an existing research lab building (bldg 250) to install an mri and associated office space as per approved plans. existing building sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$824,600
Permit #:
CP-2023-000822
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For a level i interior alterations to an existing laboratory space (lab #310b). building is be fully sprinklered. 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. **separate permits required for electrical mechanical plumbing & fire suppression work**
Valuation:
$50,000
Permit #:
CP-2025-003204
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For a level ii interior alterations to an existing tenant space located on the first floor level of an existing structure. alterations to include the erection of partition walls provide finishes/furnishings throughout. ** all work to be done per approved plans.** if field conditions vary contact design professional prior to the start of any work.** separate permits to be obtained for ... see more
Valuation:
$160,000
Permit #:
CP-2024-004194
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level ii interior alterations (no change of occupancy) for renovations to existing higher educational facility (old vet quad h-1) as per approved plans. existing building sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$1,023,500
Permit #:
CP-2023-005179
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the demolition of existing wind breaks and erection of new entrance vestibule. for interior and exterior alteration with accessibility improvement. all work to be done per approved plans and in accordance with 2018 iebc and 2009 icc ansi a117.1 standard. separate permits to be obtained for all other work. if site conditions vary contact design professional prior to start of work
Valuation:
$781,672
Permit #:
CP-2022-003474
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For level ii alterations to an existing office space on the fifth floor level alterations to include the erection of partition walls provide finishes furnishings and accessibility improvements throughout. building is fully sprinklered. all work to be done per approved plans. if field conditions vary contact design professional prior to the start of any work. separate permits to be obt... see more
Valuation:
$410,000
Permit #:
CP-2021-008582
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Level ii interior alterations (no change of occupancy) for renovations to existing higher educational facility (levine hall d-3) as per approved plans. existing building fully sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$584,099
Permit #:
CP-2021-006450
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For level ii alterations within the bathrooms of an existing group a-3 occupancy (library) on the ground floor in an existing seven (7) story detached structure as per plans; work includes the replacement of gendered bathrooms with unisex bathroom; separate permits required for all mep/fsp work; no structural work on this permit; building is currently sprinklered throughout in accorda... see more
Valuation:
$234,587
Permit #:
CP-2023-001569
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For a level ii interior alterations to a tenant space on the 7th floor level of an existing structure. alterations to include the erection of partition walls provide finishes/furnishings throughout. building is fully sprinklered. all work to be done per approved plans. if field conditions vary contact design professional prior to the start of any work. separate permits to be obtained ... see more
Valuation:
$190,346
Permit #:
CP-2023-003510
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Flatiron Building Company Reviews
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Verified License
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Flatiron Building Company License info
Verified License
| HIC # | 19647 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Flatiron Building Company at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
100
Permits
- Building permit records show that Flatiron Building Company has worked on 100 permitted projects.