Updated: Jun 06, 2026
Location and Projects
Address
121 Pencoyd Ave, Philadelphia, PA, 19019
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C Mazzoni Brothers Plumber
C Mazzoni Brothers Inc, 121 Pencoyd Ave, Philadelphia, PA (Employees: Claudio Mazzoni and Mazzoni Mechanical Llc) holds a Contractor license and 5 other licenses 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 C Mazzoni Brothers Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
C Mazzoni Brothers Inc Services
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C Mazzoni Brothers Inc Contact Information
Phone Number: (484) 368-9666
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Address: 121 Pencoyd Ave, Philadelphia, PA 19019
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C Mazzoni Brothers Inc Philadelphia
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
C Mazzoni Brothers Inc has a BuildZoom score of 109, which places them above 95% of 125,106 contractors in Pennsylvania.
Activity
|
26 projects
|
2025 |
|
36 projects
|
2024 |
|
40 projects
|
2023 |
Our building permit records indicate that C Mazzoni Brothers Inc has worked on at least
102.0 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
|
Home Additions |
|
94 projects
|
Plumbing projects |
|
13 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that C Mazzoni Brothers Inc mostly works on
plumbing project
and home addition
projects.
Pricing
|
32 projects
|
< $5k |
|
42 projects
|
$5k-$20k |
|
12 projects
|
$20k-$50k |
|
8 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $11,500. 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.
Building Permits by C Mazzoni Brothers Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 12 floor drains 6 floor sinks 1 trench drain 1 area drain 1 roof drain 2 water closets 2 lavatories 1 hot water heater 2 grease intercepor 1 sump pump 2 mop sinks 1 utility sink 4 hand sinks 2 three compartment sinks. 1 non freeze hose bibb 2 prep sinks 1 ice machine 1 backflow preventer and 1 hub drain according to the 2018 ppc and per plans
Valuation:
$68,000
Permit #:
PP-2025-003888
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Level ii alterations (no change of occupancy) for renovations to existing restaurant on the ground floor of an existing building as per approved plans. existing building fully sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$150,000
Permit #:
CP-2025-002365
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Installation of a plumbing system for two wc two lavatories one mop sink one water heater and three hand sinks. there is an existing rp 2 backflow. ********************all piping must be metallic*******************************************************************************
Valuation:
$28,000
Permit #:
PP-2025-000121
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Interior alterations to school. installation of drainage waste vent and water supply for listed fixtures connecting to and utilizing metallic piping. venting shall be designed and installed in accordance with section 919 philadelphia single stack vent system. installation of grease interceptor shall be compliance with manufacturer specifications and code. all work shall be performed i... see more
Valuation:
$15,000
Permit #:
PP-2025-004346
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Interior alteration to bar area and creation of ada compliant restroom. existing fixtures to be relocated and new fixtures to be provided along with all associate piping per plans. no food prep fixtures were provided on this permit. all work to be performed in strict compliance with 2018 ppc and approved plans
Valuation:
$8,500
Permit #:
PP-2025-006285
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
For the erection of an attached structure for use as single-family household living. sheeting and shoring as prescribed in geotech report. separate permits required for sprinkler (13d) work. energy code compliance in accordance with 2015 irc. prior to issuance of c/o submittal of air barrier checklist and envelope testing certificate is required. both to be completed by an approved pa... see more
Valuation:
$323,290
Permit #:
RP-2020-012275
Status:
complete
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Interior renovation to third floor including new bathroom and stair up to new fourth floor. third floor rear addition over existing second floor footprint. fourth floor with walk-out front roof deck. no change to building footprint or building use. details as shown in the plans. permit amended on 1/7/25: new scope of work includes skylights at the roof over addition new window at addi... see more
Valuation:
$195,000
Permit #:
RP-2024-008948
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the erection of an addition and level ii alterations to include new exterior stair fixtures equipment furnishings finishes as per approved plans. separate permits required for mep work. *2018 iebc*
Valuation:
$300,000
Permit #:
CP-2024-002747
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Alter existing drains of an existing bathroom on first floor and replace existing drains and water lines from pvc and pex with copper and cast iron as per 2018 ppc. new work it is only for the wc and lavatory on first floor
Valuation:
$2,000
Permit #:
PP-2025-005413
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Level ii alterations with partial change of occupancy to create an educational facility in spaces c-1 & c-2 on the ground floor of an existing building as per approved plans. existing building fully sprinklered. *2018 iebc review* **separate permits required for any mep or fire suppression work**
Valuation:
$25,000
Permit #:
CP-2025-001310
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For change of occupancy to group f-1 & m and level ii alterations to include structural work new partitions fixtures furnishings finishes as per approved plans. separate permits required for mep work. *2018 iebc*
Valuation:
$198,000
Permit #:
CP-2024-002153
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
2nd floor addition; sunroom addition; interior renovations nan
Valuation:
$250,000
Permit #:
BLDG220743
Status:
issued
Fee:
$5,127
Permit Type:
N/A
Building Type:
N/A
Interior installation of drainage waste vent and water supply for listed fixtures rough to finish. all work performed in compliance with 2018 ppc and approved plans
Valuation:
$10,000
Permit #:
PP-2025-002999
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Installation of indoor plumbing according to 2018 ppc. installation of 10 sanitary curb trap fai and house drain. installation of 10 storm curb trap fai and house drain. installation of 3 domestic 2 domestic water
Valuation:
$700,000
Permit #:
PP-2022-006470
Status:
issued
Fee:
N/A
Permit Type:
New construction ...
Building Type:
N/A
Renovation of an existing kitchen and bar. in the new space install 3 wc 3 lavatories and 1 shower. in the new kitchen install 1 hs 2 floor sink 1 fd 1 grease trap for the bar install 1hs and 2 floor sinks. install new 2 backflow 16 fixtures
Valuation:
$55,000
Permit #:
PP-2024-011934
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Installation of interior plumbing system according to the 2018 ppc rough in and install 7 wc 7 lavatories 5 tub and showers 2 ks 2 laundry sinks
Valuation:
$30,000
Permit #:
PP-2025-001444
Status:
issued
Fee:
N/A
Permit Type:
New construction ...
Building Type:
N/A
Renovation of a commercial kitchen install 4 floor sinks 2 hand sink 1 semiautomatic grease trap and 1 indirect waste. replace 1 wc and install 2 urinals. work includes the replacement of some piping and venting needed. connect hot and cold water to existing water lines. 11 fixtures
Valuation:
$18,500
Permit #:
PP-2024-011231
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Install 2 kitchen sinks 1 three compartment sink 2 dishwashers 1 ice maker 1 mop sink 1 ejector sump pump 2 floor sinks 1 backflow preventer 2 lavatories 2 water closets 3 area drains 1 floor drain 3 hot water heaters and 2 roof drains according to the 2018 ppc and per plans
Valuation:
$18,000
Permit #:
PP-2024-008896
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Remove kitchen cabinets and floor remove ks dw and gd re install cabinets and re connect plumbing piping in same location. bathrooms: remove fixtures in 2.5 bathrooms remove wall tiles and flooring. re install wall board where needed paint and re install fixtures in same location. 9 fixtures
Valuation:
$12,000
Permit #:
PP-2024-012430
Status:
expired
Fee:
N/A
Permit Type:
Ez bathroom & kit...
Building Type:
N/A
For the erection of an attached structure with two (2) roof decks accessed from front and rear of mezzanine floor; for use as multi-family (six(6) dwelling units) household living. building to be fully sprinklered. separate approval required for m.e.p.s work. amendment to addition underpinning
Valuation:
$505,000
Permit #:
CP-2021-003474
Status:
complete
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
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C Mazzoni Brothers Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
C Mazzoni Brothers Inc License info
Verified License
| HIC # | 40348 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for C Mazzoni Brothers Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | 45183 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for C Mazzoni Brothers Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | 17664 |
| Status | Active |
| City | Philadelphia |
| Type | Plumber |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for C Mazzoni Brothers Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | PA151309 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of C Mazzoni Brothers 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 # | PA056404 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of C Mazzoni Brothers 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 # | PA109775 |
| Status | Active |
| State | Pennsylvania |
| Type | Installation service and sales of Plumbing, Heating, and HVAC. |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of C Mazzoni Brothers Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | The Hartford |
| Insured up to | $1,000,000 |
250
Permits
- Building permit records show that C Mazzoni Brothers Inc has worked on 250 permitted projects.
C Mazzoni Brothers Inc Employees
CM
Claudio Mazzoni
President
ML
Mazzoni Mechanical Llc