{"asOf":"2026-07-09T12:06:16.328Z","block":"1200-1299 E MOUNT AIRY AVE","blockUrl":"https://blockreport.homes/block/1200-1299-e-mount-airy-ave","address":"1207 E MOUNT AIRY AVE","parcelNumber":"502499904","source":"https://property.phila.gov/?p=502499904","ownerType":"owner-occupied","owner":"BLACKWELL MARVIN","marketValue":343000,"livableArea":1508,"yearBuilt":1950,"lastSale":{"price":1,"date":"1993-12-18T05:00:00Z"},"openViolations":0,"taxOwed":0,"lat":40.07398368196771,"lng":-75.17709946043789,"geom":{"type":"Polygon","coordinates":[[[-75.177189048,40.074072072],[-75.176915969,40.073917447],[-75.176963373,40.073869763],[-75.177281699,40.074048],[-75.1772354,40.074097499],[-75.177189048,40.074072072]]]},"zip":"19150","beds":3,"baths":2,"stories":2,"lotArea":1862,"zoning":"RSA5","grade":"C","basement":"H","heater":"A","centralAir":true,"extCond":"4","intCond":"3","garage":1,"homestead":true,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":false,"valueSeries":[{"y":2016,"v":183700,"taxable":153700},{"y":2017,"v":183700,"taxable":153700},{"y":2018,"v":183700,"taxable":153700},{"y":2019,"v":185400,"taxable":145400},{"y":2020,"v":177600,"taxable":132600},{"y":2021,"v":177600,"taxable":132600},{"y":2022,"v":177600,"taxable":132600},{"y":2023,"v":283800,"taxable":203800},{"y":2024,"v":283800,"taxable":203800},{"y":2025,"v":331200,"taxable":231200},{"y":2026,"v":331200,"taxable":231200},{"y":2027,"v":343000,"taxable":243000}],"taxNow":3402,"familyHeld":false,"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 60% in 2023, but no matching permit appears in the property timeline.","evidence":["assessment moved from $177,600 to $283,800","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."}]}