{"asOf":"2026-07-09T14:04:08.060Z","block":"1600-1699 N RANDOLPH ST","blockUrl":"https://blockreport.homes/block/1600-1699-n-randolph-st","address":"1639 N RANDOLPH ST","parcelNumber":"183176100","source":"https://property.phila.gov/?p=183176100","ownerType":"owner-occupied","owner":"BERTSCHNEIDER ALEXANDRA H","marketValue":616000,"livableArea":2565,"yearBuilt":2018,"lastSale":{"price":415000,"date":"2018-12-04T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.97643741603293,"lng":-75.14431826731365,"geom":{"type":"Polygon","coordinates":[[[-75.144221126,39.976402339],[-75.144425108,39.976429209],[-75.144415411,39.976472492],[-75.144211427,39.976445624],[-75.144221126,39.976402339]]]},"zip":"19122","beds":3,"baths":2,"stories":3,"lotArea":880,"zoning":"IRMX","grade":null,"basement":"A","heater":"A","centralAir":true,"extCond":"1","intCond":"1","garage":1,"homestead":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":true,"valueSeries":[{"y":2020,"v":124700,"taxable":0},{"y":2021,"v":124700,"taxable":0},{"y":2022,"v":124700,"taxable":0},{"y":2023,"v":124700,"taxable":0},{"y":2024,"v":124700,"taxable":0},{"y":2025,"v":591400,"taxable":118300},{"y":2026,"v":591400,"taxable":118300},{"y":2027,"v":616000,"taxable":123200}],"taxNow":1725,"familyHeld":false,"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 374% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $124,700 to $591,400","no permit shown in 2024-2026"],"caveat":"Not proof of unpermitted work; reassessment, corrected data, or a permit under another parcel can also explain it."}]}