MAZZONI MECHANICAL LLC

MAZZONI MECHANICAL LLC has filed 30 building permits in Philadelphia since 2018, closing 100% of 29 rated permits. 1 permit remains open.

100%
+6.6 vs 93% median
30
Construction Permits
1
Currently Open
29
Rate-Eligible
permits > 1yr old
2018–2025
Years Active

Closure rate based on permits older than 1 year. “Issued” and “Stop Work” statuses are excluded.

Performance by Permit Type

Plumbing28 rated

100.0% closed vs 95% median, 5.5 points higher

Building1 rated

100.0% closed vs 90% median, 10.0 points higher

Median based on all applicants with 20+ rated permits in each category. Only permits older than 1 year are rated.

Year-by-Year Summary

2025

Open1
Closed0

Too early to rate — permits need 1 year to mature

2020

100.0%
Open0
Closed1

1 closed / 1 rated

2019

100.0%
Open0
Closed13

13 closed / 13 rated

2018

100.0%
Open0
Closed15

15 closed / 15 rated

All Permits

30 permits
StatusPermit #AddressIssued
OpenRP-2025-010259527 DUPONT ST, PhiladelphiaOct 21, 2025<1yr
Closed1043181319-27 S 4TH ST, PhiladelphiaJan 21, 2020
Closed10205111113 LEOPARD ST, PhiladelphiaOct 21, 2019
Closed10205301113 LEOPARD ST, PhiladelphiaOct 21, 2019
Closed997128742 S 4TH ST, PhiladelphiaJul 26, 2019
Closed9938591337 N FRANKLIN ST, PhiladelphiaJul 16, 2019
Closed9903532830 N AMERICAN ST, PhiladelphiaJul 2, 2019
Closed987568604-06 S 9TH ST, PhiladelphiaJun 21, 2019
Closed982633234 LOMBARD ST, PhiladelphiaJun 5, 2019
Closed976563314-22 N 12TH ST, PhiladelphiaMay 15, 2019
Closed973610124-26 LEVERING ST, PhiladelphiaMay 6, 2019
Closed973618804 N BROAD ST, PhiladelphiaMay 6, 2019
Closed961208742 S 4TH ST, PhiladelphiaMay 6, 2019
Closed9613511436 POINT BREEZE AVE, PhiladelphiaMar 27, 2019
Closed9586845336-38 GERMANTOWN AVE, PhiladelphiaMar 19, 2019
Closed937941347 HELLERMAN ST, PhiladelphiaDec 28, 2018
Closed937245115 N 34TH ST, PhiladelphiaDec 24, 2018
Closed932170640 N 32ND ST, PhiladelphiaDec 4, 2018
Closed9090145336-38 GERMANTOWN AVE, PhiladelphiaNov 15, 2018
Closed9215824812 FLORENCE AVE, PhiladelphiaOct 24, 2018
Closed9193671203 GERMANTOWN AVE, PhiladelphiaOct 24, 2018
Closed9215901203 GERMANTOWN AVE, PhiladelphiaOct 24, 2018
Closed921584406R S 21ST ST, PhiladelphiaOct 24, 2018
Closed904777604-06 S 9TH ST, PhiladelphiaOct 17, 2018
Closed9161841327 N FRANKLIN ST, PhiladelphiaOct 5, 2018
Closed898581640 N 32ND ST, PhiladelphiaSep 6, 2018
Closed8988601203 GERMANTOWN AVE, PhiladelphiaAug 16, 2018
Closed8877361203 GERMANTOWN AVE, PhiladelphiaAug 1, 2018
Closed8666112312 LOCUST ST, PhiladelphiaApr 11, 2018
Closed8416101446 N FRANKLIN ST, PhiladelphiaFeb 22, 2018

See Other Applicants