{"asOf":"2026-07-08T00:11:55.068Z","block":"800-899 MOUNTAIN ST","blockUrl":"https://blockreport.homes/block/800-899-mountain-st","address":"819 MOUNTAIN ST","parcelNumber":"012304900","source":"https://property.phila.gov/?p=012304900","ownerType":"owner-occupied","owner":"CHEN SHILEI","marketValue":479100,"yearBuilt":1925,"lastSale":{"price":450000,"date":"2020-01-31T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.92860387280802,"lng":-75.15928368622117}