{"asOf":"2026-07-08T00:29:46.388Z","block":"1600-1699 PORTER ST","blockUrl":"https://blockreport.homes/block/1600-1699-porter-st","address":"1638 PORTER ST","parcelNumber":"871534620","source":"https://property.phila.gov/?p=871534620","ownerType":"absentee","owner":"CHEN XIAO S","marketValue":517100,"yearBuilt":1920,"lastSale":{"price":240000,"date":"2015-08-17T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.919816635872515,"lng":-75.17549168811509}