{"asOf":"2026-07-10T01:57:07.923Z","block":"3700-3799 MANTUA AVE","blockUrl":"https://blockreport.homes/block/3700-3799-mantua-ave","address":"3712 MANTUA AVE","parcelNumber":"243005000","source":"https://property.phila.gov/?p=243005000","ownerType":"investor","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"ROW 2 STY MASONRY","useLabel":"House","owner":"WATSON HOLDINGS LLC","marketValue":238300,"livableArea":1092,"yearBuilt":1925,"lastSale":{"price":50000,"date":"2021-09-09T04:00:00Z"},"openViolations":0,"violYears":[{"y":2007,"n":3,"worst":null},{"y":2012,"n":1,"worst":null},{"y":2015,"n":2,"worst":"UNSAFE STRUCTURE"}],"inspYears":[{"y":2007,"fails":1,"passes":1},{"y":2012,"fails":1,"passes":1},{"y":2015,"fails":1,"passes":0},{"y":2018,"fails":1,"passes":0},{"y":2019,"fails":4,"passes":0},{"y":2020,"fails":1,"passes":0}],"taxOwed":0,"lat":39.9684414949221,"lng":-75.19757373324256,"geom":{"type":"Polygon","coordinates":[[[-75.197598753,39.968326394],[-75.197654296,39.968320313],[-75.197546571,39.968563725],[-75.197496187,39.968550266],[-75.197598753,39.968326394]]]},"zip":"19104","beds":3,"baths":2,"stories":2,"lotArea":1404,"zoning":"RSA5","grade":"E","basement":"A","heater":"A","centralAir":true,"extCond":"2","intCond":"2","garage":null,"homestead":false,"mail":"24 KRAMER COURT, FLORENCE NJ, 08518","mailOut":true,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":2,"abated":false,"valueSeries":[{"y":2016,"v":40800,"taxable":40800},{"y":2017,"v":40800,"taxable":40800},{"y":2018,"v":40800,"taxable":40800},{"y":2019,"v":35100,"taxable":35100},{"y":2020,"v":36400,"taxable":36400},{"y":2021,"v":36400,"taxable":36400},{"y":2022,"v":36400,"taxable":36400},{"y":2023,"v":70100,"taxable":70100},{"y":2024,"v":70100,"taxable":70100},{"y":2025,"v":232700,"taxable":232700},{"y":2026,"v":232700,"taxable":232700},{"y":2027,"v":238300,"taxable":238300}],"taxNow":3336,"familyHeld":false,"storyTag":"Renovated & sold on","storyDelta":0.85,"timeline":[{"y":2005,"k":"sale","p":27000},{"y":2007,"k":"viol","w":"3 L&I violations"},{"y":2012,"k":"viol","w":"L&I violation"},{"y":2015,"k":"viol","w":"2 L&I violations incl UNSAFE STRUCTURE"},{"y":2015,"k":"insp","w":"Inspection failed"},{"y":2018,"k":"insp","w":"Inspection failed"},{"y":2019,"k":"insp","w":"Inspection failed ×4"},{"y":2020,"k":"insp","w":"Inspection failed"},{"y":2021,"k":"permit","w":"Interior Non-Load-Bearing Wall Demo."},{"y":2021,"k":"sale","p":50000},{"y":2022,"k":"permit","w":"Alterations"}],"rented":true,"signals":[{"kind":"post-purchase-work","level":"watch","title":"Post-purchase work pattern","summary":"A recorded purchase followed by 2 permit events matches the early part of a renovate-and-resell sequence.","evidence":["purchase recorded in 2021","permit activity in 2021, 2022"],"caveat":"This does not show that the property is listed or that a sale is planned."},{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 232% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $70,100 to $232,700","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."}]}