{"asOf":"2026-07-25T02:24:07.547Z","block":"3900-3999 FOLSOM ST","blockUrl":"https://philadelphia.blockreport.homes/block/3900-3999-folsom-st","address":"3921 FOLSOM ST","parcelNumber":"243061310","source":"https://property.phila.gov/?p=243061310","ownerType":"owner-occupied","kind":"house","isHouse":true,"home":true,"commercial":false,"residential":true,"taxExempt":false,"institutional":false,"buildingCode":"O30","buildingCodeNew":"24","buildingClass":"ROW 2 STY MASONRY","buildingClassNew":"ROW PORCH FRONT","useLabel":"House","owner":"XIAO ADAM","coOwner":null,"marketValue":203200,"landAssessment":40640,"improvementAssessment":162560,"livableArea":1048,"yearBuilt":1925,"lastSale":{"price":219000,"date":"2024-04-05T04:00:00Z"},"openViolations":0,"violations":[{"number":"735685","date":"2007-11-02","code":"A-503.2/2","title":"PROSEC- STD INFO","status":"COMPLIED","resolutionDate":null,"resolution":null},{"number":"1955076","date":"2011-01-19","code":"PM-102.4/2","title":"LICENSE-VAC RES BLDG","status":"ERROR","resolutionDate":null,"resolution":null},{"number":"1955077","date":"2011-01-19","code":"PM-306.0/1","title":"VACANT PROP STANDARD","status":"ERROR","resolutionDate":null,"resolution":null},{"number":"VI-2023-037571","date":"2023-05-30","code":"PM15-108.1","title":"UNSAFE STRUCTURE","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037572","date":"2023-05-30","code":"PM15-304.1(G)","title":"EXTERIOR WALLS","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037573","date":"2023-05-30","code":"PM15-304.1(F)","title":"FOUNDATION DEFICIENCIES","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037574","date":"2023-05-30","code":"A-304.1/1","title":"ARCHITECT/ENGINEER SERVICES","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-077866","date":"2023-10-06","code":"A-202.4","title":"FAILURE TO PROVIDE REPORTS","status":"WARNING ISSUED","resolutionDate":"2023-10-06","resolution":"WARNING ISSUED"}],"violationCases":[{"number":"133522","type":"STANDARD","priority":"STANDARD","responsibility":"BRU","status":"CLOSED","createdDate":"2007-11-05","completedDate":"2008-01-29","violations":[{"number":"735685","date":"2007-11-02","code":"A-503.2/2","title":"PROSEC- STD INFO","status":"COMPLIED","resolutionDate":null,"resolution":null}]},{"number":"264352","type":"STANDARD","priority":"STANDARD","responsibility":"HCEU","status":"CLOSED","createdDate":"2011-01-20","completedDate":"2012-10-17","violations":[{"number":"1955076","date":"2011-01-19","code":"PM-102.4/2","title":"LICENSE-VAC RES BLDG","status":"ERROR","resolutionDate":null,"resolution":null},{"number":"1955077","date":"2011-01-19","code":"PM-306.0/1","title":"VACANT PROP STANDARD","status":"ERROR","resolutionDate":null,"resolution":null}]},{"number":"CF-2023-049509","type":"NOTICE OF VIOLATION","priority":"UNSAFE","responsibility":"CSU INVESTIGATOR","status":"CLOSED","createdDate":"2023-05-30","completedDate":"2023-07-06","violations":[{"number":"VI-2023-037571","date":"2023-05-30","code":"PM15-108.1","title":"UNSAFE STRUCTURE","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037572","date":"2023-05-30","code":"PM15-304.1(G)","title":"EXTERIOR WALLS","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037573","date":"2023-05-30","code":"PM15-304.1(F)","title":"FOUNDATION DEFICIENCIES","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"VI-2023-037574","date":"2023-05-30","code":"A-304.1/1","title":"ARCHITECT/ENGINEER SERVICES","status":"COMPLIED","resolutionDate":"2023-07-05","resolution":"COMPLIED - PERMIT OBTAINED"}]},{"number":"CF-2023-104657","type":"WARNING","priority":"STANDARD","responsibility":"ADMINISTRATIVE DISTRICT INVESTIGATOR","status":"CLOSED","createdDate":"2023-10-06","completedDate":"2023-10-10","violations":[{"number":"VI-2023-077866","date":"2023-10-06","code":"A-202.4","title":"FAILURE TO PROVIDE REPORTS","status":"WARNING ISSUED","resolutionDate":"2023-10-06","resolution":"WARNING ISSUED"}]}],"violYears":[{"y":2007,"n":1,"worst":null},{"y":2011,"n":2,"worst":null},{"y":2023,"n":5,"worst":"UNSAFE STRUCTURE"}],"investigations":[{"caseNumber":"133522","date":"2007-11-02","type":"BRU INSP","status":"FAILED"},{"caseNumber":"133522","date":"2007-11-14","type":"BRU INSP","status":"CLOSED"},{"caseNumber":"133522","date":"2007-11-14","type":"BRU INSP","status":"FAILED"},{"caseNumber":"264352","date":"2011-01-19","type":"HCEU INSP","status":"FAILED"},{"caseNumber":"264352","date":"2012-10-17","type":"HCEU INSP","status":"PASSED"},{"caseNumber":"CF-2023-049509","date":"2023-05-30","type":null,"status":"FAILED"},{"caseNumber":"CF-2023-049509","date":"2023-07-06","type":null,"status":"PASSED"},{"caseNumber":"CF-2023-104657","date":"2023-10-06","type":null,"status":null}],"inspYears":[{"y":2007,"fails":2,"passes":0},{"y":2011,"fails":1,"passes":0},{"y":2012,"fails":0,"passes":1},{"y":2023,"fails":1,"passes":1}],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":39.96720094581204,"lng":-75.20102681921325,"geom":{"type":"Polygon","coordinates":[[[-75.200981781,39.967105793],[-75.201031124,39.967100569],[-75.201070415,39.967299053],[-75.201025146,39.967304012],[-75.200981781,39.967105793]]]},"liDistrict":"CENTRAL WEST","certifications":[],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19104","beds":3,"baths":2,"stories":2,"lotArea":1022,"zoning":"RSA5","grade":"E-","basement":"A","heater":"A","centralAir":true,"extCond":"3","intCond":"2","garage":null,"homestead":false,"mail":"3921 FOLSOM ST, PHILADELPHIA PA, 19104","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":2,"abated":false,"assessmentExemption":false,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":32300,"taxable":0,"land":5369,"improvement":26931,"taxableLand":0,"taxableImprovement":0,"exemptLand":5369,"exemptImprovement":26931},{"y":2017,"v":32300,"taxable":0,"land":9690,"improvement":22610,"taxableLand":0,"taxableImprovement":0,"exemptLand":9690,"exemptImprovement":22610},{"y":2018,"v":32300,"taxable":0,"land":9690,"improvement":22610,"taxableLand":0,"taxableImprovement":0,"exemptLand":9690,"exemptImprovement":22610},{"y":2019,"v":13100,"taxable":0,"land":3930,"improvement":9170,"taxableLand":0,"taxableImprovement":0,"exemptLand":3930,"exemptImprovement":9170},{"y":2020,"v":13600,"taxable":0,"land":4080,"improvement":9520,"taxableLand":0,"taxableImprovement":0,"exemptLand":4080,"exemptImprovement":9520},{"y":2021,"v":13600,"taxable":0,"land":4080,"improvement":9520,"taxableLand":0,"taxableImprovement":0,"exemptLand":4080,"exemptImprovement":9520},{"y":2022,"v":13600,"taxable":0,"land":4080,"improvement":9520,"taxableLand":0,"taxableImprovement":0,"exemptLand":4080,"exemptImprovement":9520},{"y":2023,"v":33000,"taxable":22000,"land":6600,"improvement":26400,"taxableLand":4400,"taxableImprovement":17600,"exemptLand":2200,"exemptImprovement":8800},{"y":2024,"v":33000,"taxable":33000,"land":6600,"improvement":26400,"taxableLand":6600,"taxableImprovement":26400,"exemptLand":0,"exemptImprovement":0},{"y":2025,"v":52900,"taxable":52900,"land":10580,"improvement":42320,"taxableLand":10580,"taxableImprovement":42320,"exemptLand":0,"exemptImprovement":0},{"y":2026,"v":52900,"taxable":52900,"land":10580,"improvement":42320,"taxableLand":10580,"taxableImprovement":42320,"exemptLand":0,"exemptImprovement":0},{"y":2027,"v":203200,"taxable":203200,"land":40640,"improvement":162560,"taxableLand":40640,"taxableImprovement":162560,"exemptLand":0,"exemptImprovement":0}],"taxNow":740,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"RP-2023-005974","date":"2023-06-19","work":"Addition and/or Alteration","type":"Residential Building","description":"Residential Building Permit","status":"Completed","completedDate":"2023-07-10","scope":"MAKE SAFE PERMIT TO COMPLY WITH CF-2023-049509 FOR FRONT WALL LOOSE AND MISSING BRICKS AND EXCAVATION IN BASEMENT PER ENGINEERS REPORT & PLANS. IN ACCORDANCE WITH CODE BULLETIN PM-1801. LICENSED PA PROFESSIONAL ENGINEER IS REQUIRED TO MONITOR REPAIRS MADE UNDER THIS PERMIT. THE ENGINEER MUST SUBMIT A SEALED STATEMENT TO THE DEPARTMENT CONFIRMING THAT THE STRUCTURE IS IN SOUND CONDITION AT COMPLETION. SEPARATE PERMITS REQUIRED FOR ADDITIONAL ALTERATIONS NOT ADDRESSED IN APPROVED PLANS."},{"number":"EP-2023-006582","date":"2023-07-26","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2024-04-09","scope":"Replace outlets and switches--fishing as per 2017 nec"},{"number":"RP-2023-007063","date":"2023-08-16","work":"Addition and/or Alteration","type":"Residential Building","description":"Residential Building Permit","status":"Completed","completedDate":"2024-05-02","scope":"REPLACE SHEETROCK IN SINGLE FAMILY DWELLING"},{"number":"PP-2023-011693","date":"2023-08-23","work":"Alterations","type":"Plumbing","description":"Plumbing Permit","status":"Expired","completedDate":"2024-05-01","scope":"REPAIR/REPLACE 3/4\" WDP"},{"number":"MP-2023-003607","date":"2023-08-24","work":"Addition and/or Alterations","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Completed","completedDate":"2024-05-02","scope":"EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from these standards require submission of construction and site plans. EACH HVAC UNIT TO BE SELF-CONTAINED WITHIN EACH DWELLING UNIT. NO PENETRATIONS OF RATED ASSEMBLIES. To install one mini split unit system (2-ton, 800CFM). the CU is in the backyard. 3 diffusers."},{"number":"EP-2024-000196","date":"2024-01-17","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Expired","completedDate":"2025-01-28","scope":"Install new service line 200 amp and meter box according to NEC 2017"}],"storyTag":"Renovated & sold on","storyDelta":1.64,"timeline":[{"y":2011,"k":"insp","w":"Inspection failed"},{"y":2012,"k":"insp","w":"Inspection passed"},{"y":2023,"k":"sale","p":83000},{"y":2023,"k":"permit","w":"Addition and/or Alteration"},{"y":2023,"k":"viol","w":"5 L&I violations incl UNSAFE STRUCTURE"},{"y":2023,"k":"permit","w":"Addition and/or Alteration"},{"y":2023,"k":"insp","w":"L&I: 1 failed, 1 passed"},{"y":2023,"k":"permit","w":"Addition and/or Alteration"},{"y":2023,"k":"permit","w":"Alterations"},{"y":2023,"k":"permit","w":"Addition and/or Alterations"},{"y":2024,"k":"permit","w":"Addition and/or Alteration"},{"y":2024,"k":"sale","p":219000}],"rented":false,"licenses":[],"licenseActivity":[],"businessLicenseSourceDate":"2026-07-24","signals":[{"kind":"post-purchase-work","level":"watch","title":"Post-purchase work pattern","summary":"A recorded purchase followed by 1 permit event matches the early part of a renovate-and-resell sequence.","evidence":["purchase recorded in 2024","permit activity in 2024"],"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 284% in 2027, but no matching permit appears in the property timeline.","evidence":["assessment moved from $52,900 to $203,200","no permit shown in 2026-2028"],"caveat":"Not proof of unpermitted work; reassessment, corrected data, or a permit under another parcel can also explain it."}],"legalChecks":[{"id":"permit-status","level":"attention","title":"A permit row needs file-level verification","finding":"2 permits not marked completed: PP-2023-011693 (Expired), EP-2024-000196 (Expired). At least one row also carries a completion date, so the City fields conflict.","why":"Issued work is not the same as approved final work. L&I uses final inspections and required certifications to close construction permits; expired, withdrawn, and completed are different City statuses.","action":"Open the permit file and confirm final inspections, holds, and any resulting occupancy certificate.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections-by-permit-type/"},{"id":"violations","level":"attention","title":"An unsafe-building history still deserves the repair file","finding":"The fetched record shows 0 open and 8 historical violations across 4 cases.","why":"The aggregate currently shows zero open violations, so a historical unsafe/imminently-dangerous row is not a current hazard finding. The repair or demolition permit, final inspection, and case closure are the evidence that resolves the former designation.","action":"Review the Make Safe/repair permit, final inspection, and case closure.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/violation-and-order-types/"},{"id":"investigations","level":"verify","title":"Failed inspections are dated events—not the current condition","finding":"4 failed, 2 passed, and 1 CLOSED investigation outcome are in the fetched history; the latest dated visit was unlabeled on Oct 6, 2023.","why":"A PASSED or FAILED value applies to that inspection visit. CLOSED is a separate source status; none of the three alone proves the parent permit or violation case closed—or describes today’s condition.","action":"Open the parent case/permit for each material failure and confirm its later disposition.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections-by-permit-type/"}],"closingChecks":[{"title":"Property Sales Certification","body":"The seller must obtain Philadelphia’s certificate showing the base zoning, last use in the zoning record, and open violations. The City warns that it does not prove Building Code occupancy or show zoning overlays.","action":"Obtain the fresh certificate and compare it with the CO, permits, and Atlas overlays.","url":"https://www.phila.gov/services/permits-violations-licenses/get-a-certificate/get-a-property-sales-certification/"},{"title":"Date-effective City Property Payoff","body":"The Tax Center Property Payoff covers Real Estate Tax, Commercial Trash, and L&I abatement-work invoices. Philadelphia says it does not include business-tax debts or liens, water and sewer charges, or fines for code violations.","action":"Request the City statement effective through settlement; read every period and invoice.","url":"https://www.phila.gov/guides/philadelphia-tax-center/what-to-do/"},{"title":"Professional title and water-lien searches","body":"OPA ownership, deed summaries, and a zero tax balance are not clear title. Mortgages, judgments, municipal claims, water liens, easements, heirs, and other encumbrances require separate searches.","action":"Use a Pennsylvania lawyer/title company and obtain owner’s title insurance; order the separate water search/payoff.","url":"https://www.phila.gov/2026-04-07-why-title-insurance-is-your-best-friend-when-buying-a-home-in-philadelphia/","secondaryUrl":"https://www.phila.gov/services/water-gas-utilities/pay-or-dispute-a-water-bill/resolve-water-liens-judgments/"},{"title":"Seller-specific tax relief is not the buyer’s bill","body":"LOOP and low-income or senior Real Estate Tax freezes depend on the qualifying owner and continued program eligibility; a buyer cannot assume the seller’s capped or frozen bill continues. A separately verified property abatement often remains with the property for its remaining term, but program-specific new-owner filing, use, and tax-compliance conditions still must be confirmed—not inferred from the reduced assessment alone.","action":"Have Revenue or OPA identify every current benefit, model the buyer’s bill without seller-specific relief, and confirm any verified abatement in writing.","url":"https://www.phila.gov/services/payments-assistance-taxes/payment-plans-and-assistance-programs/income-based-programs-for-residents/apply-for-the-longtime-owner-occupants-program-loop/","secondaryUrl":"https://www.phila.gov/services/payments-assistance-taxes/taxes/property-and-real-estate-taxes/get-real-estate-tax-relief/tax-freeze/"},{"title":"Seller disclosure and independent inspections","body":"For a covered Pennsylvania residential transfer, obtain the statutory seller disclosure. It reports the seller’s knowledge; it is not a warranty, title search, code review, or substitute for inspections. Because OPA dates this building before 1978, separately obtain the required federal/City lead disclosures and any test results.","action":"Have the agreement and disclosure reviewed for this transaction’s coverage and exceptions.","url":"https://www.pa.gov/agencies/dos/department-and-offices/bpoa/boards-commissions/real-estate-commission"}]}