{"asOf":"2026-07-08T00:42:06.316Z","block":"4500-4599 SANSOM ST","blockUrl":"https://blockreport.homes/block/4500-4599-sansom-st","address":"4507 SANSOM ST","parcelNumber":"601020900","source":"https://property.phila.gov/?p=601020900","ownerType":"owner-occupied","owner":"CALKINS REBECCA","marketValue":781500,"yearBuilt":1925,"lastSale":{"price":327000,"date":"2012-04-03T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.956266951039154,"lng":-75.21197683921996}