{"asOf":"2026-07-08T00:29:41.299Z","block":"400-499 PORTER ST","blockUrl":"https://blockreport.homes/block/400-499-porter-st","address":"415 PORTER ST","parcelNumber":"392214600","source":"https://property.phila.gov/?p=392214600","ownerType":"owner-occupied","owner":"STEFANOWICZ ARTHUR","marketValue":250500,"yearBuilt":1920,"lastSale":{"price":18000,"date":"1997-02-17T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.917544091603055,"lng":-75.15515984201133}