{"asOf":"2026-07-08T22:42:56.420Z","block":"4800-4899 WALNUT ST","blockUrl":"https://blockreport.homes/block/4800-4899-walnut-st","address":"4815 WALNUT ST","parcelNumber":"601044805","source":"https://property.phila.gov/?p=601044805","ownerType":"absentee","owner":"CLARK JOHN R JR","marketValue":416500,"livableArea":3200,"yearBuilt":1925,"lastSale":{"price":78000,"date":"1996-04-04T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.95632535411689,"lng":-75.21825790376252,"geom":{"type":"Polygon","coordinates":[[[-75.218190249,39.956472962],[-75.218254877,39.956167504],[-75.218325004,39.956176531],[-75.218261962,39.956482153],[-75.218190249,39.956472962]]]},"zip":"19139","beds":null,"baths":null,"stories":2,"lotArea":2223,"zoning":"RM1","grade":"C","basement":null,"heater":null,"centralAir":null,"extCond":"4","intCond":"4","garage":null,"homestead":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":false,"valueSeries":[{"y":2016,"v":258700,"taxable":258700},{"y":2017,"v":258700,"taxable":258700},{"y":2018,"v":250400,"taxable":250400},{"y":2019,"v":249600,"taxable":249600},{"y":2020,"v":259300,"taxable":259300},{"y":2021,"v":259300,"taxable":259300},{"y":2022,"v":259300,"taxable":259300},{"y":2023,"v":332800,"taxable":332800},{"y":2024,"v":332800,"taxable":332800},{"y":2025,"v":450000,"taxable":450000},{"y":2026,"v":450000,"taxable":450000},{"y":2027,"v":416500,"taxable":416500}],"taxNow":5830,"familyHeld":false,"rented":true,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 28% in 2023, but no matching permit appears in the property timeline.","evidence":["assessment moved from $259,300 to $332,800","no permit shown in 2022-2024"],"caveat":"Not proof of unpermitted work; reassessment, corrected data, or a permit under another parcel can also explain it."}]}