{"asOf":"2026-07-07T23:18:54.949Z","block":"4800-4899 DUFFIELD ST","blockUrl":"https://blockreport.homes/block/4800-4899-duffield-st","address":"4810 DUFFIELD ST","parcelNumber":"232271000","source":"https://property.phila.gov/?p=232271000","ownerType":"owner-occupied","owner":"JOHN M WHITFIELD SR","marketValue":138700,"yearBuilt":1925,"lastSale":{"price":1,"date":"1963-06-26T04:00:00Z"},"openViolations":0,"taxOwed":5703.58,"lat":40.016786998563035,"lng":-75.07991522055137}