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Property Report

666 UNION ST

Philadelphia, PA 19104

81.9/100

This property at 666 UNION ST, Philadelphia, PA 19104 has no violations on record, 2 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$48,600
Property TypeVACANT LAND
OwnerCity of Phila
NeighborhoodMantua

Grade Breakdown

Building SafetyA
Code ComplianceA
License StatusF
Complaint HistoryB
Property ConditionD

Property summary

666 Union St is a vacant land in the Mantua section of 19104, last assessed at $48,600. The property has been transferred 2 times, most recently a nominal $1 transfer in 2025. No code violations are on record for this property. The property is held by City Of Phila, a government entity with a portfolio of 3,508 Philadelphia properties. Portfolio median fix time: 32 days (citywide median: 54 days). That places this owner in the faster quartile for code-violation response relative to peers.

Comparable properties on this block

AddressYearTypeValueGrade
616 Union St2020Apartments > 4 Units$1,080,000A
664 Union St2023Multi Family$740,000A
610 Union St2022Multi Family$725,000B
614 Union St2022Multi Family$725,000B
665 Union St1930Multi Family$715,000A

Recent activity

  1. 2025-12-23Transferred
  2. 2025-11-27Transferred
  3. 2011-03-09Complaint closed
  4. 2010-11-22Complaint filed — Vacant Lots (Clip)

Owner portfolio

City Of Phila is an government entity that holds 3,508 Philadelphia properties.

Neighborhood context

ZIP 19104
$198,050median value
10.0%with open violations
11,816properties tracked

Other properties on this block

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

Other properties owned by City of Phila

Portfolio view — other Philadelphia properties linked to City of Phila by name.

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