A
Property Report

821 MOUNTAIN ST

Philadelphia, PA 19148

93.4/100

This property at 821 MOUNTAIN ST, Philadelphia, PA 19148 has no open violations, 20 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$468,400
Year Built2014
Property TypeSINGLE FAMILY
Exterior Condition3
OwnerWelch Patrick
NeighborhoodEast Passyunk

Grade Breakdown

Building SafetyA
Code ComplianceA
License StatusA
Complaint HistoryC
Property ConditionC

Property summary

821 Mountain St is a 2014-built single family in the East Passyunk section of 19148, last assessed at $468,400. Of recent vintage, the structure was built under modern Philadelphia building codes. The property has been transferred 20 times, most recently a nominal $1 transfer in 2025. All 2 code violations on file have been resolved. The property is owned by Welch Patrick.

Comparable properties on this block

AddressYearTypeValueGrade
805 Mountain St2016Single Family$662,300A
807 Mountain St2016Single Family$662,300A
828 Mountain St1960Single Family$520,300A
833 Mountain St1960Single Family$494,500A
827 Mountain St1946Single Family$491,100A

Recent activity

  1. 2025-10-08Transferred
  2. 2025-10-08Transferred
  3. 2025-09-25Transferred
  4. 2021-06-15Transferred
  5. 2021-03-24Transferred
  6. 2021-03-05Transferred
  7. 2019-04-04Transferred
  8. 2016-10-12Transferred
  9. 2016-08-30Transferred
  10. 2014-11-03Transferred

Neighborhood context

ZIP 19148
$256,900median value
3.7%with open violations
21,436properties tracked

Other properties on this block

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

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