THE INDEX: 64 17 · week of Jun 29permits soft, openings quiet, deal ledger quiet

The Philadelphia Index

Entity File · The Public Record

Company / LLC

C Mazzoni Bros INC

15 permits

Records on file
15

Built (as contractor)

15 entries

  1. Issued Jun 30, 2026

    58 S 2nd St

    Alterations · ALTERATIONS TO MIXED USE BUILDING. INTERIOR INSTALLATION OF DRAINAGE, WASTE, VENT, AND WATER SUPPLY FOR LISTED FIXTURES. ALL MATERIALS SHALL BE METALLIC TO ROOF EXTENSION FOR FIXTURES SERVING COMMERCIAL SPACE. VENTING TO BE DESIGNED AND INSTALLED IN ACCORDANCE WITH SECTION 919 PHILADELPHIA SINGLE STACK VENT SYSTEM. ALL WORK TO BE INSTALLED IN STRICT COMPLIANCE WITH 2018 PPC AND APPROVED PLANS

  2. Issued Jun 29, 2026

    3523 Kensington Ave

    Alterations · Inside Plumbing work Rough in and install: In the commercial space 1 WC and 1 Lav. In the residential space, 1WC, 1 Lav, 1 Shower, 1 KS, 1 Laundry stand pipe. In stall 1 RP backflow on an existing water distribution pipe. Install 2 water heaters, 1 RP Backflow device

  3. Issued Jun 16, 2026

    527 Dupont St

    Alterations · Installation of a plumbing System for 3WC, 3 Lavs, 2 Showers, 1 KS, 1 Washing machine stand pipe, 1 Water Heater, 1 hose bib. All work to be done in accordance with PPC 2018.

  4. Issued Apr 14, 2026

    1000 Spruce St

    Alterations · Repair a cracked cast iron stack.

  5. Issued Apr 10, 2026

    104 Lombard St

    Alterations · Alteration of piping of two existing bathrooms one on the second floor and one on the third floor and alteration of a washing machine stand pipe.

  6. Issued Mar 31, 2026

    4816 Umbria St

    EZ Bathroom & Kitchen Remodel · Alteration of 2 small drains tub and lavatory, WC to remain in same location alter water lines as needed.

  7. Issued Mar 30, 2026

    5009-15 Frankford Ave

    Alterations · REPAIR/REPLACE 3/4" BACKFLOW DEVICE.

  8. Issued Dec 22, 2025

    841-51 S 2nd St

    Alterations · Installation of drainage system and domestic water hot and cold. Connect to existing drainage and cold water line. Install new water heater. Fixtures will be listed on the equipment section. All drainage to be cast and copper all domestic water to be type "L" copper. Under Others in the equipment schedule there is a drinking fountain.

  9. Issued Dec 16, 2025

    6509 Germantown Ave

    Alterations · Installation of new Plumbing system to supply 3 FS, 1 WC, 1 Lav, 1DW, 1 FD 1 Three comp Sink used for Back up when dishwasher breaks, 2 Hand Sinks, 1 EWH

  10. Issued Nov 23, 2025

    5015 Baltimore Ave

    Alterations · REPLACE 3/4" BACKFLOW DEVICE.

  11. Issued Nov 13, 2025

    432 Seville St

    Alterations · Rough in and install Kitchen sink and washing machine stand pipe on second floor. Alter drains and water lines connect to existing sewer and domestic water.

  12. Issued Sep 17, 2025

    5312-18 Ridge Ave

    Alterations · INSTALL NEW FIXTURES WITH PIPING 1 KITCHEN SINK, 1 Shower, and 1 Washing machine standpipe in an existing unit, were the WC and lav, are existing.

  13. Issued Sep 13, 2025

    726-28 Market St

    Alterations · BACKFLOW PREVENTION ASSEMBLY

  14. Issued Jul 17, 2025

    5015 Baltimore Ave

    Alterations · Installation of a 3 floor sinks, 1 floor drain, 1 hand sink and 1 mop sink Connect to existing sewer and domestic water.

  15. Issued Jul 15, 2025

    1736-38 W Girard Ave

    New Construction or Additions · 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. TYPES OF FIXTURES: Plumbing LINES TO FIXTURES, 12-TOILETS, 12-LAVATORIES, 12-TUBS, 12-KITCHEN SINKS, 12-laundry sinks & 12-hot WATER HEATERS. ******************Amendment hot water tank locations, as requested by inspector********************

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We'll flag their next deal, permit, or filing — usually before the neighbors know.

Entities are grouped by a normalized name from the public record; a separate legal entity per building is common, so some portfolios span several related names. Sources: Phila. Dept. of Records (deeds), L&I (permits & violations), Dept. of Revenue (tax delinquencies), reflecting the record as of our last weekly ingest. Verify independently before relying on it.
Last generated August 1, 2026.