{"asOf":"2026-07-09T18:04:40.125Z","block":"900-999 S ALDEN ST","blockUrl":"https://blockreport.homes/block/900-999-s-alden-st","address":"911 S ALDEN ST","parcelNumber":"463258500","source":"https://property.phila.gov/?p=463258500","ownerType":"owner-occupied","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"ROW 2 STY MASONRY","useLabel":"House","owner":"HUYNH THANH THI","marketValue":182000,"livableArea":984,"yearBuilt":1925,"lastSale":{"price":205000,"date":"2021-04-07T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.94692343887949,"lng":-75.23841046202807,"geom":{"type":"Polygon","coordinates":[[[-75.238303661,39.946931508],[-75.238312195,39.946890445],[-75.238517634,39.946915722],[-75.238509183,39.946956238],[-75.238303661,39.946931508]]]},"zip":"19143","beds":3,"baths":1,"stories":2,"lotArea":878,"zoning":"RM1","grade":"C","basement":"A","heater":"A","centralAir":false,"extCond":"4","intCond":"2","garage":null,"homestead":true,"mail":"911 S ALDEN ST, PHILADELPHIA PA, 19143","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":2,"abated":false,"valueSeries":[{"y":2016,"v":51700,"taxable":21700},{"y":2017,"v":51700,"taxable":21700},{"y":2018,"v":51700,"taxable":21700},{"y":2019,"v":56300,"taxable":16300},{"y":2020,"v":58400,"taxable":13400},{"y":2021,"v":58400,"taxable":13400},{"y":2022,"v":58400,"taxable":58400},{"y":2023,"v":235500,"taxable":235500},{"y":2024,"v":235500,"taxable":155500},{"y":2025,"v":192300,"taxable":92300},{"y":2026,"v":192300,"taxable":92300},{"y":2027,"v":182000,"taxable":82000}],"taxNow":1148,"familyHeld":true,"storyTag":"Renovated & sold on","storyDelta":2.36,"timeline":[{"y":2020,"k":"sale","p":61000},{"y":2020,"k":"permit","w":"Addition and/or Alteration"},{"y":2020,"k":"permit","w":"Alterations"},{"y":2020,"k":"permit","w":"Addition and/or Alteration"},{"y":2020,"k":"permit","w":"Addition and/or Alterations"},{"y":2021,"k":"sale","p":205000}],"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 303% in 2023, but no matching permit appears in the property timeline.","evidence":["assessment moved from $58,400 to $235,500","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."}]}