{"asOf":"2026-07-07T23:51:32.687Z","block":"4200-4299 K ST","blockUrl":"https://blockreport.homes/block/4200-4299-k-st","address":"4201 K ST","parcelNumber":"332328800","source":"https://property.phila.gov/?p=332328800","ownerType":"owner-occupied","owner":"MAVROMATIS CHRISTOPHER A","marketValue":207500,"yearBuilt":1955,"lastSale":{"price":1,"date":"2024-08-14T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.011165616500556,"lng":-75.1038318302759}