{"asOf":"2026-07-08T22:42:17.281Z","block":"3800-3899 WALNUT ST","blockUrl":"https://blockreport.homes/block/3800-3899-walnut-st","address":"3821 WALNUT ST","parcelNumber":"881330700","source":"https://property.phila.gov/?p=881330700","ownerType":"investor","owner":"BETA RHO PROP INC","marketValue":1011300,"livableArea":11175,"yearBuilt":1915,"lastSale":{"price":175000,"date":"1988-06-29T04:00:00Z"},"openViolations":0,"taxOwed":0,"lat":39.9541542666751,"lng":-75.19961020314042,"geom":{"type":"Polygon","coordinates":[[[-75.199793121,39.953868694],[-75.199667281,39.954468014],[-75.199425892,39.95443813],[-75.199555471,39.953839183],[-75.199793121,39.953868694]]]},"zip":"19104","beds":null,"baths":null,"stories":4,"lotArea":15026,"zoning":"RSA3","grade":"B","basement":null,"heater":null,"centralAir":null,"extCond":"4","intCond":"4","garage":null,"homestead":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":0,"abated":false,"valueSeries":[{"y":2016,"v":965500,"taxable":965500},{"y":2017,"v":965500,"taxable":965500},{"y":2018,"v":512900,"taxable":512900},{"y":2019,"v":528200,"taxable":528200},{"y":2020,"v":537000,"taxable":537000},{"y":2021,"v":537000,"taxable":537000},{"y":2022,"v":537000,"taxable":537000},{"y":2023,"v":537000,"taxable":537000},{"y":2024,"v":537000,"taxable":537000},{"y":2025,"v":960000,"taxable":960000},{"y":2026,"v":960000,"taxable":960000},{"y":2027,"v":1011300,"taxable":1011300}],"taxNow":14156,"familyHeld":false,"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 79% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $537,000 to $960,000","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."}]}