{"asOf":"2026-07-08T22:05:12.970Z","block":"4800-4899 TYSON AVE","blockUrl":"https://blockreport.homes/block/4800-4899-tyson-ave","address":"4810 TYSON AVE","parcelNumber":"412042700","source":"https://property.phila.gov/?p=412042700","ownerType":"owner-occupied","owner":"DONNELLY DANIEL","marketValue":310500,"livableArea":1650,"yearBuilt":1930,"lastSale":{"price":209900,"date":"2019-05-07T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.02564513309556,"lng":-75.0401048468,"geom":{"type":"Polygon","coordinates":[[[-75.040156832,40.025581342],[-75.040201312,40.025635831],[-75.040053098,40.02570897],[-75.040007903,40.025655045],[-75.040156832,40.025581342]]]},"zip":"19135","beds":null,"baths":null,"stories":3,"lotArea":1150,"zoning":"RSA3","grade":"C","basement":"C","heater":"H","centralAir":false,"extCond":"4","intCond":"2","garage":1,"homestead":true,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":4,"abated":false,"valueSeries":[{"y":2016,"v":136700,"taxable":136700},{"y":2017,"v":136700,"taxable":136700},{"y":2018,"v":136700,"taxable":136700},{"y":2019,"v":147400,"taxable":147400},{"y":2020,"v":153600,"taxable":153600},{"y":2021,"v":153600,"taxable":153600},{"y":2022,"v":153600,"taxable":153600},{"y":2023,"v":253400,"taxable":173400},{"y":2024,"v":253400,"taxable":173400},{"y":2025,"v":292200,"taxable":192200},{"y":2026,"v":292200,"taxable":192200},{"y":2027,"v":310500,"taxable":210500}],"taxNow":2947,"familyHeld":false,"storyTag":"Frequently traded","storyDelta":3.72,"timeline":[{"y":2003,"k":"sale","p":44500},{"y":2004,"k":"sale","p":85900},{"y":2016,"k":"sale","p":61000},{"y":2019,"k":"sale","p":209900}],"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 65% in 2023, but no matching permit appears in the property timeline.","evidence":["assessment moved from $153,600 to $253,400","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."}]}