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

The Philadelphia Index

Entity File · The Public Record

Owner of record

Mastery Charter Schools F

2 permits · 42 violations

Records on file
44

Permits (as owner)

2 entries

  1. Issued Jun 19, 2026

    3901-61 N 18th St

    Addition and/or Alteration · Installation of new 400 amp MLO panel fed from existing MDP. Install HVAC hook-ups, lighting fixtures, switches, and local controls per submitted plans and 2017 NEC.

  2. Issued Jun 11, 2026

    3901-61 N 18th St

    Addition and/or Alterations · FOR THE PARTIAL DEMOLITION OF 43 REGISTERS, DIFFUSERS, AND FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. FOR USE AS PREVIOUSLY APPROVED. 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.

Violations

42 entries

  1. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    RECORD KEEPING

  2. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    RELIABILITY

  3. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    MEANS OF EGRESS CONTINUITY

  4. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    POSTING OF OCCUPANT LOAD

  5. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    PERIODIC TESTING

  6. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    INSPECTION, TESTING & MAINTENANCE

  7. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    EXIT DOORS

  8. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    RECORDS

  9. Violation Jun 22, 2026OPEN

    5401 Warrington Ave

    HAZARD IDENTIFICATION SIGNS

  10. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    EXIT SIGN ILLUMINATION

  11. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    EXIT DOORS

  12. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    FIRE EXTINGUISHER HANGERS & BRACKETS

  13. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    FIRE EXTINGUISHERS

  14. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    STORAGE IN BUILDINGS

  15. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    HAZARD IDENTIFICATION SIGNS

  16. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    POSTING OF OCCUPANT LOAD

  17. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    ACCEPTANCE CRITERIA & REPORTS

  18. Violation Jul 29, 2025OPEN

    3901-61 N 18th St

    SUPPRESSION SYSTEM TESTING & MAINTENANCE

  19. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    SUPPRESSION SYSTEM TESTING & MAINTENANCE

  20. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    STORAGE

  21. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    ACCEPTANCE CRITERIA & REPORTS

  22. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    GROUP E OCCUPANCIES

  23. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    RECORD KEEPING

  24. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    INSPECTION, TESTING & MAINTENANCE

  25. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    PERIODIC TESTING

  26. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    POSTING OF OCCUPANT LOAD

  27. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    LOCKDOWN PLAN CONTENTS

  28. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    LABELING

  29. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    FDC LOCKING CAPS

  30. Violation Jul 24, 2025OPEN

    3901-61 N 18th St

    UNAPPROVED CONDITIONS

  31. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    PERIODIC TESTING

  32. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    LABELING

  33. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    HAZARD IDENTIFICATION SIGNS

  34. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    SUBMISSION OF CERTIFICATIONS

  35. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    SUBMISSION OF CERTIFICATIONS

  36. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    POSTING OF OCCUPANT LOAD

  37. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    EXIT SIGNS

  38. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    EXIT SIGN ILLUMINATION

  39. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    HAZARD IDENTIFICATION SIGNS

  40. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    PERIODIC TESTING

  41. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    RECORDS

  42. Violation Jul 22, 2024OPEN

    3901-61 N 18th St

    FIRE EXTINGUISHERS REQUIRED

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 1, 2026.