{"asOf":"2026-07-09T22:04:30.516Z","block":"200-299 W DUNCANNON AVE","blockUrl":"https://blockreport.homes/block/200-299-w-duncannon-ave","address":"237 W DUNCANNON AVE","parcelNumber":"422222700","source":"https://property.phila.gov/?p=422222700","ownerType":"owner-occupied","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"SEMI/DET 2 STY MASONRY","useLabel":"House","owner":"RAID JONATHAN","marketValue":145700,"livableArea":1212,"yearBuilt":1930,"lastSale":{"price":45900,"date":"1996-08-22T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.03006659357127,"lng":-75.12794872780451,"geom":{"type":"Polygon","coordinates":[[[-75.127888348,40.030186014],[-75.1279437,40.029938723],[-75.128009084,40.029947342],[-75.12795381,40.030194296],[-75.127888348,40.030186014]]]},"zip":"19120","beds":null,"baths":null,"stories":2,"lotArea":1620,"zoning":"RSA5","grade":"C","basement":null,"heater":null,"centralAir":null,"extCond":"5","intCond":"4","garage":null,"homestead":true,"mail":"237 W DUNCANNON AVE, PHILADELPHIA PA, 19120","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":false,"valueSeries":[{"y":2016,"v":70900,"taxable":40900},{"y":2017,"v":70900,"taxable":40900},{"y":2018,"v":70900,"taxable":40900},{"y":2019,"v":76400,"taxable":36400},{"y":2020,"v":76700,"taxable":31700},{"y":2021,"v":76700,"taxable":31700},{"y":2022,"v":76700,"taxable":31700},{"y":2023,"v":108300,"taxable":28300},{"y":2024,"v":108300,"taxable":28300},{"y":2025,"v":167900,"taxable":67900},{"y":2026,"v":167900,"taxable":67900},{"y":2027,"v":145700,"taxable":45700}],"taxNow":640,"familyHeld":false,"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 55% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $108,300 to $167,900","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."}]}