{"asOf":"2026-07-08T00:33:28.135Z","block":"3500-3599 RETTA ST","blockUrl":"https://blockreport.homes/block/3500-3599-retta-st","address":"3557 RETTA ST","parcelNumber":"213219300","source":"https://property.phila.gov/?p=213219300","ownerType":"owner-occupied","owner":"OLSZEWSKI LEON A","marketValue":374900,"yearBuilt":1900,"lastSale":{"price":1,"date":"2007-06-25T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.01762308984298,"lng":-75.20409036820136}