{"asOf":"2026-07-08T00:44:27.013Z","block":"4600-4699 SHEFFIELD AVE","blockUrl":"https://blockreport.homes/block/4600-4699-sheffield-ave","address":"4600 SHEFFIELD AVE","parcelNumber":"651136900","source":"https://property.phila.gov/?p=651136900","ownerType":"owner-occupied","owner":"JOHN MYCHACK","marketValue":209400,"yearBuilt":1945,"lastSale":{"price":10500,"date":"1971-11-22T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.03386317463624,"lng":-75.0300075824493}