{"asOf":"2026-07-08T00:06:46.959Z","block":"600-699 MAYFAIR ST","blockUrl":"https://blockreport.homes/block/600-699-mayfair-st","address":"664 MAYFAIR ST","parcelNumber":"351064700","source":"https://property.phila.gov/?p=351064700","ownerType":"absentee","owner":"YAU TAK FONG","marketValue":207700,"yearBuilt":1950,"lastSale":{"price":78750,"date":"2013-09-24T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.03307377106829,"lng":-75.1083860875341}