{"asOf":"2026-07-10T02:09:31.972Z","block":"1500-1599 MASCHER ST","blockUrl":"https://blockreport.homes/block/1500-1599-mascher-st","address":"1521 MASCHER ST","parcelNumber":"182058250","source":"https://property.phila.gov/?p=182058250","ownerType":"owner-occupied","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"ROW 3 STY FRAME","useLabel":"House","owner":"DIEP KENT","marketValue":690000,"livableArea":1896,"yearBuilt":2017,"lastSale":{"price":500000,"date":"2017-11-08T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.973899533793706,"lng":-75.13647393780131,"geom":{"type":"Polygon","coordinates":[[[-75.136275755,39.973897021],[-75.136289391,39.973853463],[-75.136669549,39.973901438],[-75.13665998,39.973945911],[-75.136275755,39.973897021]]]},"zip":"19122","beds":4,"baths":3,"stories":3,"lotArea":1782,"zoning":"RSA5","grade":"B","basement":"A","heater":"A","centralAir":true,"extCond":"3","intCond":"3","garage":null,"homestead":false,"mail":"1521 MASCHER ST, PHILADELPHIA PA, 19122","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":1,"abated":true,"valueSeries":[{"y":2019,"v":500000,"taxable":142500},{"y":2020,"v":500000,"taxable":142500},{"y":2021,"v":500000,"taxable":142500},{"y":2022,"v":500000,"taxable":142500},{"y":2023,"v":500000,"taxable":100000},{"y":2024,"v":500000,"taxable":100000},{"y":2025,"v":711000,"taxable":142200},{"y":2026,"v":711000,"taxable":142200},{"y":2027,"v":690000,"taxable":184000}],"taxNow":2576,"familyHeld":true,"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2017,"k":"permit","w":"Zoning/use"},{"y":2017,"k":"permit","w":"New construction"},{"y":2017,"k":"permit","w":"Suppression"},{"y":2017,"k":"permit","w":"Plumbing"},{"y":2017,"k":"permit","w":"Plumbing"},{"y":2017,"k":"permit","w":"Mechanical"},{"y":2017,"k":"permit","w":"Electrical"},{"y":2017,"k":"permit","w":"Administrative"},{"y":2017,"k":"sale","p":500000}],"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 42% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $500,000 to $711,000","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."}]}