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

The Philadelphia Index

Entity File · The Public Record

Company / LLC

Mkm Investment Holdings LLC

5 permits

Records on file
5

Permits (as owner)

5 entries

  1. Issued Jun 26, 2026

    2 units

    3923 Mount Vernon St

    Excavation · Site / Utility Permit for RP-2026-001915

  2. Issued Jun 25, 2026

    3923 Mount Vernon St

    New Construction · INSTALL NEW FIRE SUPPRESSION SYSTEM AND 1-1/2” COMBINED SERVICE IN ACCORDANCE WITH NFPA 13D THROUGHOUT THE ENTIRE BUILDING. ALL WORK SHALL COMPLY WITH THE APPROVED PLANS. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA.

  3. Issued Jun 18, 2026

    3923 Mount Vernon St

    New Construction or Additions · Plumbing Permit (Interior) for combo RP-2026-001915

  4. Issued Apr 16, 2026

    2 units

    3923 Mount Vernon St

    New Construction · FOR THE ERECTION OF AN ATTACHED 3-STORY STRUCTURE WITH ROOF ACCESS STRUCTURE FOR ACCESS TO AN OCCUPIABLE ROOF DECK. STRUCTURE FOR USE AS TWO-FAMILY HOUSEHOLD LIVING. THE BUILDING IS FULLY SPRINKLERED IN ACCORDANCE WITH NFPA 13D. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WORK. SEPARATE PERMIITS TO BE OBTAINED FOR ALL OTHER WORK. **A COVERED WALKWAY OR SIDEWALK CLOSURE SHALL BE REQUIRED WITHIN 8 FEET OF THE BUILDING FACADE

  5. Issued Dec 17, 2025

    3923 Mount Vernon St

    New construction, addition, GFA change · FOR THE ERECTION OF AN ATTACHED NEW STRUCTURE WITH A CELLAR AND AN ACCESSORY ROOF DECK (FOR RESIDENTIAL USE ONLY) WITH ROOF ACCESS STRUCTURE AND REAR SECON FLOOR BALCONY. SIZE AND LOCATION AS SHOWN IN THE APPLICATION / PLAN.

Track this owner

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 2, 2026.