{"asOf":"2026-07-18T19:56:46.197Z","block":"4200-4299 SANSOM ST","blockUrl":"https://philadelphia.blockreport.homes/block/4200-4299-sansom-st","address":"4251 SANSOM ST","parcelNumber":"272022200","source":"https://property.phila.gov/?p=272022200","ownerType":"investor","kind":"multi-family","isHouse":false,"home":true,"commercial":false,"residential":true,"taxExempt":false,"institutional":false,"buildingCode":"N30","buildingCodeNew":"24","buildingClass":"S/D CONV APT 2 STY MASON","buildingClassNew":"ROW PORCH FRONT","useLabel":"Apartment building","owner":"4251SANSUMST LLC","coOwner":null,"marketValue":1295100,"landAssessment":259020,"improvementAssessment":1036080,"livableArea":3945,"yearBuilt":2022,"lastSale":{"price":425000,"date":"2021-02-22T05:00:00Z"},"openViolations":0,"violations":[{"number":"211986953","date":"2020-01-31","code":"A-304.1/1","title":"ARCHITECT/ENGINEER SERVICES","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"211986905","date":"2020-01-31","code":"PM15-108.1","title":"UNSAFE STRUCTURE","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"211986906","date":"2020-01-31","code":"PM15-304.1G","title":"EXTERIOR STRUCT UNSAFE COND 7","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"}],"violationCases":[{"number":"723110","type":"NOTICE OF VIOLATION","priority":"UNSAFE","responsibility":"CSU INVESTIGATOR","status":"COMPLIED, BALANCE DUE","createdDate":"2020-01-31","completedDate":null,"violations":[{"number":"211986953","date":"2020-01-31","code":"A-304.1/1","title":"ARCHITECT/ENGINEER SERVICES","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"211986905","date":"2020-01-31","code":"PM15-108.1","title":"UNSAFE STRUCTURE","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"},{"number":"211986906","date":"2020-01-31","code":"PM15-304.1G","title":"EXTERIOR STRUCT UNSAFE COND 7","status":"COMPLIED","resolutionDate":"2021-07-14","resolution":"COMPLIED - PERMIT OBTAINED"}]}],"violYears":[{"y":2020,"n":3,"worst":"UNSAFE STRUCTURE"}],"investigations":[{"caseNumber":"723110","date":"2020-01-25","type":"CSUINITIAL","status":"FAILED"},{"caseNumber":"723110","date":"2020-03-02","type":"CSUINITIAL","status":"FAILED"},{"caseNumber":"723110","date":"2021-02-24","type":null,"status":"FAILED"},{"caseNumber":"723110","date":"2021-04-20","type":null,"status":"FAILED"},{"caseNumber":"723110","date":"2021-07-14","type":null,"status":"PASSED"}],"inspYears":[{"y":2020,"fails":2,"passes":0},{"y":2021,"fails":2,"passes":1}],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":39.95574602620785,"lng":-75.20792630487271,"geom":{"type":"Polygon","coordinates":[[[-75.207935836,39.955872482],[-75.207866546,39.955864052],[-75.207916774,39.95561957],[-75.207986063,39.955627999],[-75.207935836,39.955872482]]]},"liDistrict":"CENTRAL WEST","certifications":[],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19104","beds":12,"baths":null,"stories":3,"lotArea":1777,"zoning":"RM1","grade":null,"basement":"A","heater":"A","centralAir":true,"extCond":"1","intCond":"1","garage":null,"homestead":false,"mail":"50 HAWTHORNE DR, WINDSOR NJ, 08550","mailOut":true,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":1,"abated":true,"assessmentExemption":true,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":208600,"taxable":208600,"land":53559,"improvement":155041,"taxableLand":53559,"taxableImprovement":155041,"exemptLand":0,"exemptImprovement":0},{"y":2017,"v":208600,"taxable":208600,"land":31290,"improvement":177310,"taxableLand":31290,"taxableImprovement":177310,"exemptLand":0,"exemptImprovement":0},{"y":2018,"v":208600,"taxable":208600,"land":31290,"improvement":177310,"taxableLand":31290,"taxableImprovement":177310,"exemptLand":0,"exemptImprovement":0},{"y":2019,"v":279600,"taxable":279600,"land":41940,"improvement":237660,"taxableLand":41940,"taxableImprovement":237660,"exemptLand":0,"exemptImprovement":0},{"y":2020,"v":290500,"taxable":290500,"land":43575,"improvement":246925,"taxableLand":43575,"taxableImprovement":246925,"exemptLand":0,"exemptImprovement":0},{"y":2021,"v":290500,"taxable":290500,"land":43575,"improvement":246925,"taxableLand":43575,"taxableImprovement":246925,"exemptLand":0,"exemptImprovement":0},{"y":2022,"v":820000,"taxable":164000,"land":164000,"improvement":656000,"taxableLand":164000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":656000},{"y":2023,"v":820000,"taxable":164000,"land":164000,"improvement":656000,"taxableLand":164000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":656000},{"y":2024,"v":820000,"taxable":164000,"land":164000,"improvement":656000,"taxableLand":164000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":656000},{"y":2025,"v":820000,"taxable":164000,"land":164000,"improvement":656000,"taxableLand":164000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":656000},{"y":2026,"v":820000,"taxable":164000,"land":164000,"improvement":656000,"taxableLand":164000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":656000},{"y":2027,"v":1295100,"taxable":259020,"land":259020,"improvement":1036080,"taxableLand":259020,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":1036080}],"taxNow":2296,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"266937","date":"2010-03-16","work":"Electrical","type":"EP_ELECTRL","description":"ELECTRICAL PERMIT","status":"COMPLETED","completedDate":"2019-03-20","scope":"INCORPORATE NEW \"HOUSE\" METER W/ 4 CIRCUIT PANEL TO EXISTING SERVICE AS PER 2008 NEC (WEST DISTRICT)"},{"number":"PP-2021-004009","date":"2021-03-11","work":"Alterations","type":"Plumbing","description":"Plumbing Permit","status":"Completed","completedDate":"2021-05-19","scope":"Lateral Seal : ALL EXCAVATIONS AND PLUMBING TRENCHES IN EXCESS OF 5' IN DEPTH MUST HAVE APPR'D SHORING IN PLACE AT THE TIME OF INSPECTION"},{"number":"ZP-2021-003830","date":"2021-04-09","work":"Full Demolition","type":"Zoning","description":"Zoning Permit","status":"Issued","completedDate":null,"scope":"Complete demolition of the existing structure."},{"number":"DP-2021-000608","date":"2021-04-27","work":"Minor Demolition","type":"Demolition","description":"Demolition Permit","status":"Completed","completedDate":"2021-07-15","scope":"FOR THE COMPLETE DEMOLITION OF AN EXISTING THREE (3) STORY ATTACHED STRUCTURE USING HANDHELD DEVICES ONLY. STREETS DEPARTMENT APPROVAL REQUIRED FOR SIDEWALK CLOSURE PRIOR TO START OF WORK."},{"number":"ZP-2021-008364","date":"2021-08-26","work":"New construction, addition, GFA change","type":"Zoning","description":"Zoning Permit","status":"Completed","completedDate":"2022-09-23","scope":"FOR THE ERECTION OF AN ATTACHED STRUCTURE WITH ROOF DECK ACCESSED BY A ROOF DECK ACCESS STRUCTURE; FOR USE AS MULTI-FAMILY (FOUR (4) DWELLING UNITS) HOUSEHOLD LIVING; SIZE AND LOCATION AS SHOWN IN THE APPLICATION/PLAN."},{"number":"CP-2021-004774","date":"2021-09-02","work":"New Construction","type":"Building","description":"Commercial Building Permit","status":"Completed","completedDate":"2022-09-23","scope":"For the erection of a three (3) story structure with roof deck and roof deck access structure; for use as a four (4) family dwelling. Entire building to be sprinklered per NFPA 13R @ Min. Separate permit required for MEP and fire suppression work. Type B Dwelling unit on the 1st floor level."},{"number":"MP-2022-000550","date":"2022-02-01","work":"New Construction","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Completed","completedDate":"2022-09-06","scope":"FOR A NEW MECHANICAL INSTALLATION. WORK TO INCLUDE THE INSTALLATION OF REGISTERS, DIFFUSERS AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK."},{"number":"FP-2022-000268","date":"2022-02-02","work":"New Construction","type":"Fire Suppression","description":"Fire Suppression Permit","status":"Completed","completedDate":"2022-09-06","scope":"FOR THE INSTALLATION OF A NFPA 13R SYSTEM FOR A MULTI-FAMILY DWELLING SERVICED BY A TWO (2) INCH FIRE SERVICE LINE WITH A 2-INCH AMES 2000B-FP BACKFLOW PREVENTER AND AUTOMATIC FIRE SUPPRESSION SYSTEM. ALL WORK SHALL BE DONE IN ACCORDANCE WITH APPROVED PLANS/HYDRAULIC CALCULATIONS."},{"number":"PP-2022-002501","date":"2022-03-15","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Completed","completedDate":"2022-09-23","scope":"INSTALL 1 BUILDING DRAIN, 1 CURB TRAP, 1 FAI, 1 1-I/2 INCH WATER SERVICE, 4 HUB DRAINS, 4 HOT WATER HEATERS, 4 AREA DRAINS, 8 LAVATORIES, 4 KITCHEN SINKS, 4 WASHING MACHINE BOXES, 8 SHOWER/TUBS, 8 WATER CLOSETS AND 1 ROOF DRAIN ACCORDING TO THE 2018 PPC."},{"number":"EP-2022-003038","date":"2022-04-04","work":"New Construction","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2022-08-16","scope":"New wire throughout: lighting, outlets, switches, smoke/CO alarms. Install 300 amp service and grounding as per 2017 NEC. Install fire alarm as per 2016 NFPA 72."}],"storyTag":"Torn down & rebuilt","storyDelta":null,"timeline":[{"y":2021,"k":"land","p":425000},{"y":2021,"k":"permit","w":"Alterations"},{"y":2021,"k":"permit","w":"Full Demolition"},{"y":2021,"k":"permit","w":"Minor Demolition"},{"y":2021,"k":"demo"},{"y":2021,"k":"insp","w":"L&I: 2 failed, 1 passed"},{"y":2021,"k":"permit","w":"New construction, addition, GFA change"},{"y":2021,"k":"permit","w":"New Construction"},{"y":2022,"k":"permit","w":"New Construction"},{"y":2022,"k":"permit","w":"New Construction"},{"y":2022,"k":"permit","w":"New Construction or Additions"},{"y":2022,"k":"permit","w":"New Construction"}],"rented":false,"licenses":[{"number":"499435","type":"Rental","status":"Closed","businessName":"MARK & WENDY BERGANTZ","legalName":"MARK & WENDY BERGANTZ","address":"4251 SANSOM ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":2,"issuedDate":"2010-04-23","latestIssueDate":"2017-03-12","expirationDate":"2018-02-28","inactiveDate":null},{"number":"913954","type":"Rental","status":"Inactive","businessName":"4251SANSUMST LLC","legalName":"4251SANSUMST LLC","address":"4251 SANSOM ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":4,"issuedDate":"2023-01-06","latestIssueDate":"2025-05-23","expirationDate":"2026-01-05","inactiveDate":"2026-03-06"}],"licenseActivity":[{"number":"913954","type":"Rental","businessName":"4251SANSUMST LLC","legalName":"4251SANSUMST LLC","issuedDate":"2023-01-06","latestIssueDate":"2025-05-23","closureDate":"2026-03-06","expirationDate":"2026-01-05","inactiveDate":"2026-03-06","status":"Inactive","statusLabel":"Inactive","active":false},{"number":"499435","type":"Rental","businessName":"MARK & WENDY BERGANTZ","legalName":"MARK & WENDY BERGANTZ","issuedDate":"2010-04-23","latestIssueDate":"2017-03-12","closureDate":"2018-02-28","expirationDate":"2018-02-28","inactiveDate":null,"status":"Closed","statusLabel":"Closed","active":false}],"businessLicenseSourceDate":"2026-07-10","signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 58% in 2027, but no matching permit appears in the property timeline.","evidence":["assessment moved from $820,000 to $1,295,100","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":"use-occupancy","level":"attention","title":"Zoning approval is not the occupancy file","finding":"The record identifies more than one dwelling/use.","why":"Philadelphia says a zoning approval or Property Sales Certification can identify a use without proving that it was established under the Building Code. A change of use, unit count, exits, or fire rating can require a Building Permit and Certificate of Occupancy.","action":"Verify the lawful use, unit count, associated construction permits, and Certificate of Occupancy with L&I.","url":"https://www.phila.gov/services/permits-violations-licenses/get-a-certificate/get-a-certificate-of-occupancy/"},{"id":"violations","level":"attention","title":"An unsafe-building history still deserves the repair file","finding":"The fetched record shows 0 open and 3 historical violations across 1 case.","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":"rental-status","level":"verify","title":"Residential form does not establish rental use","finding":"OPA classifies the parcel as multi-family; no active Rental License row matched.","why":"A multi-unit or mixed-use classification does not prove that space is currently rented. If dwelling space is rented, Philadelphia generally requires a current Rental License and related occupancy, tax, violation, and lead compliance.","action":"Confirm actual occupancy first; if any unit is rented, verify the license and legal unit count with L&I.","url":"https://www.phila.gov/services/permits-violations-licenses/rent-or-sell-property/get-a-rental-license/"},{"id":"investigations","level":"verify","title":"Failed inspections are dated events—not the current condition","finding":"4 failed, 1 passed, and 0 CLOSED investigation outcomes are in the fetched history; the latest dated visit was PASSED on Jul 14, 2021.","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/"},{"id":"building-certifications","level":"verify","title":"A fire-system permit exists, but no annual certification matched","finding":"3 fire/suppression-related permits matched; the fetched BIN certification feed returned no row.","why":"Installed systems in mixed-use and larger buildings generally require periodic certification, but applicability and limited-area exceptions vary. A missing BIN/address join is not proof of a compliance failure.","action":"Confirm what system was installed and whether a current annual certificate is required and filed.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/maintenance-certifications/fire-protection-certifications/"},{"id":"abatement","level":"verify","title":"A reduced taxable assessment is not a verified abatement","finding":"OPA’s numeric assessment fields show a reduced taxable assessment; BlockReport has no official program determination for this parcel.","why":"The numeric treatment can reflect an improvement abatement or another exemption. It does not identify the ordinance, approval, start or end date, or continuation requirements after a transfer. Once OPA verifies a specific active abatement, many common programs attach the benefit to the property for the remaining term rather than ending automatically at sale, but some require a new-owner filing and continued qualifying use or tax compliance.","action":"Obtain the OPA exemption/abatement determination and history, then underwrite the buyer’s bill from the verified program terms.","url":"https://www.phila.gov/services/payments-assistance-taxes/taxes/property-and-real-estate-taxes/get-real-estate-tax-relief/get-a-property-tax-abatement/"},{"id":"commercial-trash","level":"verify","title":"A separate Commercial Trash account may apply","finding":"OPA classifies the parcel as multi-family. BlockReport does not receive a current Commercial Trash account balance.","why":"Philadelphia charges qualifying small commercial, mixed-use, and multi-unit properties that use City collection; exemptions and private collection can change applicability. A use category alone does not prove a fee is due.","action":"Check the Commercial Trash account inside the date-effective Property Payoff.","url":"https://www.phila.gov/2026-06-09-pay-your-trash-fee-bill-by-june-30/"}],"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.","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"}]}