{"asOf":"2026-07-10T01:57:09.880Z","block":"3500-3599 MANTUA AVE","blockUrl":"https://blockreport.homes/block/3500-3599-mantua-ave","address":"3550 MANTUA AVE","parcelNumber":"243004210","source":"https://property.phila.gov/?p=243004210","ownerType":"absentee","kind":"house","isHouse":true,"residential":false,"taxExempt":true,"institutional":true,"buildingClass":"ROW 2 STY MASONRY","useLabel":"House","owner":"PHILADELPHIA HOUSING AUTH","marketValue":70100,"livableArea":1036,"yearBuilt":1925,"lastSale":{"price":1,"date":"1971-06-03T04:00:00Z"},"openViolations":3,"violYears":[{"y":2021,"n":2,"worst":null},{"y":2022,"n":1,"worst":null}],"inspYears":[{"y":2021,"fails":1,"passes":0},{"y":2022,"fails":1,"passes":0}],"taxOwed":0,"lat":39.967847799836676,"lng":-75.19515322166957,"geom":{"type":"Polygon","coordinates":[[[-75.195196475,39.967913369],[-75.195090935,39.967874766],[-75.195169938,39.967754436],[-75.195196475,39.967913369]]]},"zip":"19104","beds":3,"baths":1,"stories":2,"lotArea":1631,"zoning":"RSA5","grade":"E-","basement":null,"heater":null,"centralAir":null,"extCond":"7","intCond":"7","garage":null,"homestead":false,"mail":"2013 RIDGE AVE, PHILADELPHIA PA, 19121","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":true,"valueSeries":[{"y":2016,"v":54300,"taxable":0},{"y":2017,"v":54300,"taxable":0},{"y":2018,"v":54300,"taxable":0},{"y":2019,"v":55900,"taxable":0},{"y":2020,"v":58000,"taxable":0},{"y":2021,"v":58000,"taxable":0},{"y":2022,"v":58000,"taxable":0},{"y":2023,"v":113300,"taxable":0},{"y":2024,"v":113300,"taxable":0},{"y":2025,"v":144300,"taxable":0},{"y":2026,"v":144300,"taxable":0},{"y":2027,"v":70100,"taxable":0}],"taxNow":0,"familyHeld":true,"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2007,"k":"permit","w":"Alteration"},{"y":2021,"k":"viol","w":"2 L&I violations"},{"y":2021,"k":"insp","w":"Inspection failed"},{"y":2022,"k":"viol","w":"L&I violation"},{"y":2022,"k":"insp","w":"Inspection failed"}],"rented":false,"signals":[{"kind":"record-pressure","level":"elevated","title":"Records to verify together","summary":"More than one separately dated public record deserves a current-status check.","evidence":["3 open L&I violations","failed L&I inspection activity in 2021, 2022"],"caveat":"A screening signal, not a foreclosure prediction. Tax entries are historical and must be verified with Philadelphia Revenue."},{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 95% in 2023, but no matching permit appears in the property timeline.","evidence":["assessment moved from $58,000 to $113,300","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."}]}