{"asOf":"2026-07-08T00:11:53.658Z","block":"500-599 MOUNTAIN ST","blockUrl":"https://blockreport.homes/block/500-599-mountain-st","address":"504 MOUNTAIN ST","parcelNumber":"011361300","source":"https://property.phila.gov/?p=011361300","ownerType":"owner-occupied","owner":"CHRISTALDI JOSEPH","marketValue":304600,"yearBuilt":1920,"lastSale":{"price":1,"date":"1996-10-08T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.92769521039865,"lng":-75.15443637058418}