{"asOf":"2026-07-09T18:21:09.547Z","block":"9500-9599 ALTON ST","blockUrl":"https://blockreport.homes/block/9500-9599-alton-st","address":"9500 ALTON ST","parcelNumber":"581311200","source":"https://property.phila.gov/?p=581311200","ownerType":"owner-occupied","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"DET W/GAR 1 STY MASONRY","useLabel":"House","owner":"MAI MUYING","marketValue":484300,"livableArea":1776,"yearBuilt":1965,"lastSale":{"price":395000,"date":"2022-09-08T04:00:00Z"},"openViolations":0,"violYears":[{"y":2014,"n":5,"worst":null},{"y":2022,"n":1,"worst":null}],"inspYears":[{"y":2014,"fails":1,"passes":1},{"y":2022,"fails":1,"passes":0},{"y":2023,"fails":0,"passes":1}],"taxOwed":0,"lat":40.0899441298095,"lng":-75.04455025054828,"geom":{"type":"Polygon","coordinates":[[[-75.04420704,40.089952462],[-75.044261326,40.089882794],[-75.044343875,40.08982543],[-75.044434511,40.089792663],[-75.044540889,40.089783544],[-75.044649384,40.08979656],[-75.044755232,40.089838595],[-75.044818584,40.089883127],[-75.044893251,40.089984911],[-75.044546417,40.090138403],[-75.04420704,40.089952462]]]},"zip":"19115","beds":3,"baths":1,"stories":1,"lotArea":15392,"zoning":"RSD1","grade":"C","basement":"C","heater":"A","centralAir":true,"extCond":"4","intCond":"3","garage":1,"homestead":true,"mail":"9500 ALTON ST, PHILADELPHIA PA, 19115","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":2,"abated":false,"valueSeries":[{"y":2016,"v":245900,"taxable":245900},{"y":2017,"v":245900,"taxable":245900},{"y":2018,"v":245900,"taxable":245900},{"y":2019,"v":271200,"taxable":271200},{"y":2020,"v":283200,"taxable":283200},{"y":2021,"v":283200,"taxable":283200},{"y":2022,"v":283200,"taxable":283200},{"y":2023,"v":355200,"taxable":355200},{"y":2024,"v":355200,"taxable":355200},{"y":2025,"v":462800,"taxable":362800},{"y":2026,"v":462800,"taxable":362800},{"y":2027,"v":484300,"taxable":384300}],"taxNow":5379,"familyHeld":true,"storyTag":"Renovated & sold on","storyDelta":1.08,"timeline":[{"y":2012,"k":"sale","p":190000},{"y":2014,"k":"viol","w":"5 L&I violations"},{"y":2014,"k":"insp","w":"L&I: 1 failed, 1 passed"},{"y":2014,"k":"permit","w":"Alteration"},{"y":2014,"k":"permit","w":"Plumbing"},{"y":2014,"k":"permit","w":"Electrical"},{"y":2020,"k":"permit","w":"Roof Covering Replacement"},{"y":2022,"k":"viol","w":"L&I violation"},{"y":2022,"k":"insp","w":"Inspection failed"},{"y":2022,"k":"sale","p":395000},{"y":2023,"k":"insp","w":"Inspection passed"},{"y":2025,"k":"permit","w":"Addition and/or Alterations"}],"rented":false,"signals":[{"kind":"post-purchase-work","level":"watch","title":"Post-purchase work pattern","summary":"A recorded purchase followed by 1 permit event matches the early part of a renovate-and-resell sequence.","evidence":["purchase recorded in 2022","permit activity in 2025"],"caveat":"This does not show that the property is listed or that a sale is planned."}]}