D
Property Report

4521 LONGSHORE AVE

Philadelphia, PA 19135

66.5/100

This property at 4521 LONGSHORE AVE, Philadelphia, PA 19135 has 6 open violations, 13 recorded ownership transfers. View the full property report for detailed violation history, ownership records, title risk analysis, and neighborhood safety data.

Property Details

Market Value$750,400
Year Built1900
Property TypeCOMMERCIAL
Exterior Condition3
OwnerKeystone Foundation
NeighborhoodTacony

Grade Breakdown

Building SafetyA
Code ComplianceF
License StatusF
Complaint HistoryB
Property ConditionD

Property summary

4521 Longshore Ave is a 1900-built commercial in the Tacony section of 19135, last assessed at $750,400. From the early 20th century, the building predates modern plumbing and electrical codes and may include lead paint, asbestos, or knob-and-tube wiring. The property has been transferred 13 times, most recently a nominal $1 transfer in 2021. Of 43 code violations on file, 6 remain open. The property is held by Keystone Foundation, an LLC with a portfolio of 21 Philadelphia properties. Portfolio median fix time: 371 days (citywide median: 54 days). That places this owner in the slower quartile for code-violation response relative to peers. Distress signals on this property include 6 unresolved code violations.

Comparable properties on this block

AddressYearTypeValueGrade
4516 Longshore Ave1935Multi Family$259,000A
4506 Longshore Ave1935Single Family$250,800A
4502 Longshore Ave1935Single Family$240,500A
4510 Longshore Ave1935Single Family$239,900A
4508 Longshore Ave1935Multi Family$229,500A

Recent activity

  1. 2025-07-24Violation opened — F-315.3.1
  2. 2025-07-24Violation opened — F-315.3.2
  3. 2025-07-24Violation opened — F-1104.27
  4. 2025-07-24Violation opened — F-906.6
  5. 2025-07-24Violation opened — F-903.5
  6. 2025-07-24Inspection
  7. 2025-07-24Violation opened — F-807.2
  8. 2024-07-24Inspection
  9. 2024-07-24Complaint closed
  10. 2024-07-23Violation resolved — F-901.6.4

Owner portfolio

Keystone Foundation is an LLC that holds 21 Philadelphia properties.

Neighborhood context

ZIP 19135
$201,800median value
6.7%with open violations
12,136properties tracked

Other properties on this block

Same block — compare grades, violation counts, and owner patterns across neighboring properties.

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