{"asOf":"2026-07-10T00:52:55.920Z","block":"14000-14099 KELVIN AVE","blockUrl":"https://blockreport.homes/block/14000-14099-kelvin-ave","address":"14034 KELVIN AVE","parcelNumber":"583134800","source":"https://property.phila.gov/?p=583134800","ownerType":"owner-occupied","kind":"house","isHouse":true,"residential":true,"taxExempt":false,"institutional":false,"buildingClass":"DET W/GAR 2 STY FRAME","useLabel":"House","owner":"POLEK MICHAEL B","marketValue":505200,"livableArea":2200,"yearBuilt":1961,"lastSale":{"price":375000,"date":"2008-09-26T04:00:00Z"},"openViolations":0,"violYears":[{"y":2008,"n":4,"worst":null}],"inspYears":[{"y":2008,"fails":2,"passes":0},{"y":2009,"fails":0,"passes":1}],"taxOwed":0,"lat":40.126822871965345,"lng":-75.00561859354922,"geom":{"type":"Polygon","coordinates":[[[-75.005357745,40.126723645],[-75.005769053,40.126651664],[-75.005881958,40.126925861],[-75.005458299,40.126990599],[-75.005357745,40.126723645]]]},"zip":"19116","beds":null,"baths":null,"stories":2,"lotArea":11505,"zoning":"RSD1","grade":"C+","basement":null,"heater":null,"centralAir":true,"extCond":"3","intCond":"4","garage":1,"homestead":true,"mail":"14034 KELVIN AVE, PHILADELPHIA PA, 19116","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"timesSold":2,"abated":false,"valueSeries":[{"y":2016,"v":292100,"taxable":262100},{"y":2017,"v":292100,"taxable":262100},{"y":2018,"v":292100,"taxable":262100},{"y":2019,"v":308000,"taxable":268000},{"y":2020,"v":321700,"taxable":276700},{"y":2021,"v":321700,"taxable":276700},{"y":2022,"v":321700,"taxable":276700},{"y":2023,"v":374000,"taxable":294000},{"y":2024,"v":374000,"taxable":294000},{"y":2025,"v":476700,"taxable":376700},{"y":2026,"v":476700,"taxable":376700},{"y":2027,"v":505200,"taxable":405200}],"taxNow":5672,"familyHeld":false,"storyTag":"Improved","storyDelta":0,"timeline":[{"y":2008,"k":"viol","w":"4 L&I violations"},{"y":2008,"k":"permit","w":"Plumbing"},{"y":2008,"k":"insp","w":"Inspection failed ×2"},{"y":2008,"k":"sale","p":375000},{"y":2008,"k":"sale","p":375000},{"y":2009,"k":"insp","w":"Inspection passed"},{"y":2013,"k":"permit","w":"Alteration"},{"y":2016,"k":"permit","w":"Alteration"}],"rented":false,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 27% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $374,000 to $476,700","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."}]}