{"asOf":"2026-07-24T09:05:28.667Z","block":"7700-7799 ALGON AVE","blockUrl":"https://philadelphia.blockreport.homes/block/7700-7799-algon-ave","address":"7731 ALGON AVE","parcelNumber":"561130050","source":"https://property.phila.gov/?p=561130050","ownerType":"owner-occupied","kind":"house","isHouse":true,"home":true,"commercial":false,"residential":true,"taxExempt":false,"institutional":false,"buildingCode":"D46","buildingCodeNew":"07","buildingClass":"DET W/B GAR 2.5 STY FRAME","buildingClassNew":"CONVENTIONAL","useLabel":"House","owner":"NGUYEN AUDREY TRIHIEU","coOwner":null,"marketValue":663900,"landAssessment":132780,"improvementAssessment":531120,"livableArea":3705,"yearBuilt":2019,"lastSale":{"price":430000,"date":"2019-05-13T04:00:00Z"},"openViolations":0,"violations":[{"number":"4921515","date":"2018-12-06","code":"A-402.1/1","title":"COMPL CONCEAL- BLDG PERM WORK","status":"COMPLIED","resolutionDate":null,"resolution":null},{"number":"4921514","date":"2018-12-06","code":"A-104.1/1","title":"WORKMANLIKE- BUILDING CODE","status":"COMPLIED","resolutionDate":null,"resolution":null},{"number":"4911866","date":"2018-12-11","code":"A-104.1/1","title":"WORKMANLIKE- BUILDING CODE","status":"COMPLIED","resolutionDate":null,"resolution":null}],"violationCases":[{"number":"666326","type":"CONSTRUCTION SERVICES","priority":"CONSTRUCTION SERVICES","responsibility":"DE","status":"CLOSED","createdDate":"2018-12-06","completedDate":"2019-06-10","violations":[{"number":"4921515","date":"2018-12-06","code":"A-402.1/1","title":"COMPL CONCEAL- BLDG PERM WORK","status":"COMPLIED","resolutionDate":null,"resolution":null},{"number":"4921514","date":"2018-12-06","code":"A-104.1/1","title":"WORKMANLIKE- BUILDING CODE","status":"COMPLIED","resolutionDate":null,"resolution":null}]},{"number":"807299","type":null,"priority":null,"responsibility":null,"status":"CLOSED","createdDate":null,"completedDate":null,"violations":[{"number":"4911866","date":"2018-12-11","code":"A-104.1/1","title":"WORKMANLIKE- BUILDING CODE","status":"COMPLIED","resolutionDate":null,"resolution":null}]}],"violYears":[{"y":2018,"n":3,"worst":null}],"investigations":[{"caseNumber":"666326","date":"2018-12-06","type":"BP_BLDG","status":"FAILED"},{"caseNumber":"666326","date":"2019-01-10","type":"BP_BLDG","status":"FAILED"},{"caseNumber":"666326","date":"2019-06-10","type":"BP_BLDG","status":"PASSED"}],"inspYears":[{"y":2018,"fails":1,"passes":0},{"y":2019,"fails":1,"passes":1}],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":40.06171332111469,"lng":-75.06678415026772,"geom":{"type":"Polygon","coordinates":[[[-75.066649491,40.061578117],[-75.066992632,40.061770978],[-75.066918807,40.061848525],[-75.066575668,40.061655662],[-75.066649491,40.061578117]]]},"liDistrict":"EAST","certifications":[],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19111","beds":null,"baths":null,"stories":3,"lotArea":4165,"zoning":"RSA3","grade":"C","basement":null,"heater":null,"centralAir":null,"extCond":"1","intCond":"1","garage":null,"homestead":false,"mail":"7731 ALGON AVE, PHILADELPHIA PA, 19111","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":3,"abated":true,"assessmentExemption":true,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":54500,"taxable":54500,"land":54500,"improvement":0,"taxableLand":54500,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2017,"v":185600,"taxable":185600,"land":185600,"improvement":0,"taxableLand":185600,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2019,"v":90000,"taxable":90000,"land":90000,"improvement":0,"taxableLand":90000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2020,"v":425000,"taxable":90000,"land":90000,"improvement":335000,"taxableLand":90000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":335000},{"y":2021,"v":425000,"taxable":90000,"land":90000,"improvement":335000,"taxableLand":90000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":335000},{"y":2022,"v":425000,"taxable":90000,"land":90000,"improvement":335000,"taxableLand":90000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":335000},{"y":2023,"v":462800,"taxable":92560,"land":92560,"improvement":370240,"taxableLand":92560,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":370240},{"y":2024,"v":462800,"taxable":92560,"land":92560,"improvement":370240,"taxableLand":92560,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":370240},{"y":2025,"v":443800,"taxable":88760,"land":88760,"improvement":355040,"taxableLand":88760,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":355040},{"y":2026,"v":443800,"taxable":88760,"land":88760,"improvement":355040,"taxableLand":88760,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":355040},{"y":2027,"v":663900,"taxable":132780,"land":132780,"improvement":531120,"taxableLand":132780,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":531120}],"taxNow":1242,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"685183","date":"2016-04-19","work":"Zoning","type":"ZP_ZONING","description":"ZONING PERMIT","status":"COMPLETED","completedDate":"2016-04-19","scope":"FOR THE LOT ADJUSTMENT TO CREATE ELEVEN (11) LOTS (PARCELS A, B, C, D, E, F, G, H, I, J, AND K) FROM SIX (6) OPA ACCOUNTS (7723 ALGON ST, 7727 ALGON ST, 7731 ALGON ST, 7726 LANGDON ST, 7734-38 LANGDON ST AND 1616 HARTEL ST) AND SIXTEEN (16) DEEDED LOTS (LOT #944 THROUGH LOT #950 AND LOT #973 THROUGH LOT #981). SEE A/P 667777 FOR APPROVED PLANS."},{"number":"688304","date":"2016-05-04","work":"Zoning/use","type":"ZP_ZON/USE","description":"ZONING/USE PERMIT","status":"COMPLETED","completedDate":"2016-05-04","scope":"FOR THE ERECTION OF DETACHED STRUCTURE WITH A ROOF DECK AT THE 2ND FLOOR FRONT AND A DECK AT THE 2ND FLOOR REAR. SIZE AND LOCATION AS SHOWN ON PLANS AND APPLICATION. FOR USE AS SINGLE FAMILY HOUSEHOLD LIVING WITH ONE (1) INTERIOR ACCESSORY PARKING SPACE. SEE A/P NO 667777 FOR LOT ADJUSTMENT. SEE A/P NO 688300 FOR NEW CONSTRUCTION PLANS."},{"number":"807299","date":"2017-09-19","work":"New Construction","type":"Residential Building","description":"Residential Building Permit","status":"Expired","completedDate":"2020-11-23","scope":"CONSTRUCT THREE STORY SINGLE FAMILY DWELLING. SEE PLANS APPROVED UNDER PERMIT AP# 807301."},{"number":"825002","date":"2017-10-18","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2019-05-09","scope":"INSTALL EXTERIOR, HD, HT, FAI, WS 3/4\" INTERIOR 4 WC, 5 LAVYS, 4 SHOWERS, 1 K.S, 1 WASHER, 2 HOSE BIBS, 1 DW, 1GD - PA1# 20172890718 WILL COMPLE WITH THE PHILA PLUMB CODE 2004 -\"SELF-CERTIFICATION'S ARE NO LONGER PERMITTED\" - \"ALL EXCAVATIONS AND PLUMBING TRENCHES IN EXCESS OF 5 FEET IN DEPTH MUST HAVE APPROVED SHORING IN PLACE AT THE TIME OF INSPECTION\""},{"number":"880799","date":"2018-06-01","work":"Major alteration","type":"BP_ALTER","description":"ALTERATION PERMIT","status":"COMPLETED","completedDate":"2018-11-08","scope":"CONSTRUCTION OF RETAINING WALLS PER SUBMITTED PLANS.(PLANS & REPORTS SUBMITTED ON A/P #877570)"},{"number":"916950","date":"2018-10-09","work":"Electrical","type":"EP_ELECTRL","description":"ELECTRICAL PERMIT","status":"COMPLETED","completedDate":"2019-04-11","scope":"INSTALL 200AMP SINGLE PHASE 240V SERVICE & PANEL & WIRE LIGHTS, SWITCHES, RECEPTACLES, SMOKE DETECTORS, HOT WATER HEATER & DEVICES"},{"number":"921688","date":"2018-10-25","work":"Mechanical","type":"BP_MECH","description":"MECHANICAL PERMIT","status":"COMPLETED","completedDate":"2019-05-09","scope":"EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- FOR THE INSTALLATION IF NEW DUCTWORK, REGISTERS/GRILLES/DIFFUSERS, AND WARM-AIR APPLIANCES AS PER ATTACHED STANDARDS. DEVIATIONS FROM THESE STANDARDS REQUIRE SUBMISSION OF CONSTRUCTION AND SITE PLANS."}],"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2015,"k":"land","p":550000},{"y":2016,"k":"permit","w":"Zoning"},{"y":2016,"k":"permit","w":"Zoning/use"},{"y":2017,"k":"permit","w":"New Construction"},{"y":2017,"k":"permit","w":"Plumbing"},{"y":2018,"k":"permit","w":"Major alteration"},{"y":2018,"k":"viol","w":"3 L&I violations"},{"y":2018,"k":"insp","w":"Inspection failed"},{"y":2018,"k":"permit","w":"Electrical"},{"y":2018,"k":"permit","w":"Mechanical"},{"y":2019,"k":"sale","p":430000},{"y":2019,"k":"insp","w":"L&I: 1 failed, 1 passed"}],"rented":false,"licenses":[],"licenseActivity":[],"businessLicenseSourceDate":"2026-07-23","signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 50% in 2027, but no matching permit appears in the property timeline.","evidence":["assessment moved from $443,800 to $663,900","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":"Use permit #688304: COMPLETED.","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":"permit-status","level":"attention","title":"A permit row needs file-level verification","finding":"1 permit not marked completed: 807299 (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":"investigations","level":"verify","title":"Failed inspections are dated events—not the current condition","finding":"2 failed, 1 passed, and 0 CLOSED investigation outcomes are in the fetched history; the latest dated visit was PASSED on Jun 10, 2019.","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":"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":"violations","level":"clear","title":"No open violation; closed history remains relevant","finding":"The fetched record shows 0 open and 3 historical violations across 2 cases.","why":"A closed case is materially better than an open one, but it does not by itself prove that every altered use, unit, or concealed condition matches today’s approvals.","action":"Use the closed cases to target the inspection and occupancy-file review.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/violation-and-order-types/"}],"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"}]}