{"asOf":"2026-07-07T23:52:41.032Z","block":"6500-6599 KEYSTONE ST","blockUrl":"https://blockreport.homes/block/6500-6599-keystone-st","address":"6514 KEYSTONE ST","parcelNumber":"411464200","source":"https://property.phila.gov/?p=411464200","ownerType":"owner-occupied","owner":"TWARDOWSKI MATTHEW KROL STANLEY J","marketValue":141400,"yearBuilt":1960,"lastSale":{"price":1,"date":"2023-07-08T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.0202995536053,"lng":-75.04737560565174}