{"asOf":"2026-07-08T00:11:53.836Z","block":"600-699 MOUNTAIN ST","blockUrl":"https://blockreport.homes/block/600-699-mountain-st","address":"621 MOUNTAIN ST","parcelNumber":"012107000","source":"https://property.phila.gov/?p=012107000","ownerType":"owner-occupied","owner":"MONTESANO KATHLEEN","marketValue":226900,"yearBuilt":1920,"lastSale":{"price":243000,"date":"2021-04-30T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.92818195012049,"lng":-75.15617055505287}