{"asOf":"2026-07-29T02:14:53.467Z","block":"400-499 W MERMAID LN","blockUrl":"https://philadelphia.blockreport.homes/block/400-499-w-mermaid-ln","address":"420 W MERMAID LN","parcelNumber":"092140400","source":"https://property.phila.gov/?p=092140400","ownerType":"owner-occupied","kind":"house","isHouse":true,"home":true,"commercial":false,"residential":true,"taxExempt":false,"institutional":false,"buildingCode":"C48","buildingCodeNew":"10","buildingClass":"DET W/D GAR 2.5 STY STONE","buildingClassNew":"COLONIAL","useLabel":"House","owner":"JENSEN DANE A","coOwner":"JENSEN MEREDITH G","marketValue":2367000,"landAssessment":473400,"improvementAssessment":1893600,"livableArea":5883,"yearBuilt":1925,"lastSale":{"price":1850000,"date":"2021-06-22T04:00:00Z"},"openViolations":0,"violations":[],"violationCases":[],"investigations":[],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":40.06124502463798,"lng":-75.20335518769427,"geom":{"type":"Polygon","coordinates":[[[-75.202905273,40.061330213],[-75.202855284,40.061299945],[-75.203312125,40.060863849],[-75.203747967,40.061129003],[-75.203882237,40.061148389],[-75.203398986,40.061629164],[-75.202905273,40.061330213]]]},"liDistrict":"NORTH","certifications":[],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19118","beds":8,"baths":5,"stories":3,"lotArea":39404,"zoning":"RSD1","grade":"A+","basement":"C","heater":"H","centralAir":true,"extCond":"2","intCond":"2","garage":2,"homestead":true,"mail":"420 MERMAID LN, PHILADELPHIA PA, 19118","mailOut":false,"appeals":[{"type":"ZBA Permit Denial - Variance","grounds":"PERMIT FOR: FOR THE ERECTION OF A POOL HOUSE WITH IN-GROUND POOL AND FENCING ACCESSORY TO AN \nEXISTING DETACHED STRUCTURE, SINGLE-FAMILY HOUSEHOLD LIVING; SIZE AND LOCATION AS SHOWN IN \nPLAN/APPLICATION","status":"In Process","outcome":"Complete","date":"2024-03-25","number":"HA-2023-004557","relatedPermit":null}],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":1,"abated":false,"assessmentExemption":false,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":966600,"taxable":936600,"land":418175,"improvement":548425,"taxableLand":418175,"taxableImprovement":518425,"exemptLand":0,"exemptImprovement":30000},{"y":2017,"v":966600,"taxable":936600,"land":289980,"improvement":676620,"taxableLand":289980,"taxableImprovement":646620,"exemptLand":0,"exemptImprovement":30000},{"y":2018,"v":966600,"taxable":936600,"land":289980,"improvement":676620,"taxableLand":289980,"taxableImprovement":646620,"exemptLand":0,"exemptImprovement":30000},{"y":2019,"v":1153400,"taxable":1113400,"land":346020,"improvement":807380,"taxableLand":346020,"taxableImprovement":767380,"exemptLand":0,"exemptImprovement":40000},{"y":2020,"v":1105100,"taxable":1060100,"land":331530,"improvement":773570,"taxableLand":331530,"taxableImprovement":728570,"exemptLand":0,"exemptImprovement":45000},{"y":2021,"v":1105100,"taxable":1060100,"land":331530,"improvement":773570,"taxableLand":331530,"taxableImprovement":728570,"exemptLand":0,"exemptImprovement":45000},{"y":2022,"v":1105100,"taxable":1060100,"land":331530,"improvement":773570,"taxableLand":331530,"taxableImprovement":728570,"exemptLand":0,"exemptImprovement":45000},{"y":2023,"v":1617700,"taxable":1537700,"land":323540,"improvement":1294160,"taxableLand":323540,"taxableImprovement":1214160,"exemptLand":0,"exemptImprovement":80000},{"y":2024,"v":1617700,"taxable":1537700,"land":323540,"improvement":1294160,"taxableLand":323540,"taxableImprovement":1214160,"exemptLand":0,"exemptImprovement":80000},{"y":2025,"v":2703500,"taxable":2205626,"land":540700,"improvement":2162800,"taxableLand":540700,"taxableImprovement":1664926,"exemptLand":0,"exemptImprovement":497874},{"y":2026,"v":2703500,"taxable":2603500,"land":540700,"improvement":2162800,"taxableLand":540700,"taxableImprovement":2062800,"exemptLand":0,"exemptImprovement":100000},{"y":2027,"v":2367000,"taxable":2267000,"land":473400,"improvement":1893600,"taxableLand":473400,"taxableImprovement":1793600,"exemptLand":0,"exemptImprovement":100000}],"taxNow":36444,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"728549","date":"2016-10-12","work":"Alteration","type":"BP_ALTER","description":"ALTERATION PERMIT","status":"COMPLETED","completedDate":"2016-11-15","scope":"ROOF REPLACEMENT-SHINGLE/SLATE"},{"number":"GM-2022-006820","date":"2022-08-04","work":"Interior Non-Load-Bearing Wall Demo.","type":"General Permit Minor","description":"General Permit Minor","status":"Completed","completedDate":"2023-10-27","scope":"For minor construction work at the subject property in accordance with all applicable provisions of the Philadelphia Code, all references codes and standards, and the attached EZ Standard, where included. Deviation from this standard shall result in permit revocation. A separate permit from the Philadelphia Department of Streets is required for any sidewalk and street closures. All means of pedestrian protection required at the site in accordance with the Philadelphia Building Code Chapter 33 shall be in place prior to start of work."},{"number":"ZP-2022-012104","date":"2022-12-01","work":"New construction, addition, GFA change","type":"Zoning","description":"Zoning Permit","status":"Issued","completedDate":null,"scope":"FOR THE ERECTION OF AN ADDITION TO AN EXISTING DETACHED STRUCTURE. SIZE AND LOCATION AS SHOWN IN PLAN/APPLICATION."},{"number":"RP-2022-010758","date":"2023-01-09","work":"Addition and/or Alteration","type":"Residential Building","description":"Residential Building Permit","status":"Completed","completedDate":"2026-06-18","scope":"Whole House Renovation and two Additions, Details as shown in the plans."},{"number":"PP-2022-018384","date":"2023-02-22","work":"Alterations","type":"Plumbing","description":"Plumbing Permit","status":"Completed","completedDate":"2026-06-18","scope":"Plumbing Permit (Interior) for combo RP-2022-010758"},{"number":"MP-2022-006536","date":"2023-02-22","work":"Addition and/or Alterations","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Completed","completedDate":"2026-06-18","scope":"Mechanical / Fuel Gas Permit for combo RP-2022-010758"},{"number":"EP-2022-012829","date":"2023-05-11","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2026-05-29","scope":"Electrical Permit for combo RP-2022-010758"},{"number":"ZP-2023-007060","date":"2024-02-07","work":"New construction, addition, GFA change","type":"Zoning","description":"Zoning Permit","status":"Issued","completedDate":null,"scope":"FOR THE ERECTION OF A POOL HOUSE WITH IN-GROUND POOL AND FENCING ACCESSORY TO AN EXISTING DETACHED STRUCTURE, SINGLE-FAMILY HOUSEHOLD LIVING; SIZE AND LOCATION AS SHOWN IN PLAN/APPLICATION."},{"number":"RP-2024-008979","date":"2024-09-30","work":"New Construction","type":"Residential Building","description":"Residential Building Permit","status":"Issued","completedDate":null,"scope":"FOR THE ERECTION OF A POOL HOUSE WITH AN IN-GROUND POOL AND FENCING ACCESSORY TO AN EXISTING DETACHED STRUCTURE, AS PER THE APPROVED PLAN."},{"number":"SP-2024-001109","date":"2024-10-11","work":"Excavation","type":"Site / Utility Permit","description":"Site / Utility Permit","status":"Issued","completedDate":null,"scope":"Site / Utility Permit for RP-2024-008979"},{"number":"PP-2024-013478","date":"2024-10-16","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Water Distribution) for combo RP-2024-008979"},{"number":"MP-2024-004482","date":"2024-10-16","work":"New Construction","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Issued","completedDate":null,"scope":"Mechanical / Fuel Gas Permit for combo RP-2024-008979"},{"number":"PP-2024-013480","date":"2024-10-16","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Interior) for combo RP-2024-008979"},{"number":"PP-2024-013479","date":"2024-10-16","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Exterior Building Drainage) for combo RP-2024-008979"},{"number":"EP-2024-009465","date":"2024-10-18","work":"New Construction","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2025-09-25","scope":"Electrical Permit for combo RP-2024-008979"},{"number":"EP-2024-011407","date":"2024-12-02","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2025-02-24","scope":"Install underground 200 amp service and new 200 amp PECO electrical meter."}],"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2023,"k":"permit","w":"Addition and/or Alterations"},{"y":2023,"k":"permit","w":"Addition and/or Alteration"},{"y":2024,"k":"permit","w":"New construction, addition, GFA change"},{"y":2024,"k":"appeal","w":"Appeal complete"},{"y":2024,"k":"permit","w":"New Construction"},{"y":2024,"k":"permit","w":"Excavation"},{"y":2024,"k":"permit","w":"New Construction or Additions"},{"y":2024,"k":"permit","w":"New Construction"},{"y":2024,"k":"permit","w":"New Construction or Additions"},{"y":2024,"k":"permit","w":"New Construction or Additions"},{"y":2024,"k":"permit","w":"New Construction"},{"y":2024,"k":"permit","w":"Addition and/or Alteration"}],"rented":false,"licenses":[],"licenseActivity":[],"businessLicenseSourceDate":"2026-07-28","signals":[{"kind":"transition-activity","level":"watch","title":"Recent transition activity","summary":"The property has an unusually active paper trail worth monitoring for the next permit, inspection, deed, or listing.","evidence":["11 permit events since 2023","1 zoning/board appeal since 2023"],"caveat":"Record activity alone does not establish that a sale or redevelopment is planned."}],"legalChecks":[{"id":"use-occupancy","level":"attention","title":"Zoning approval is not the occupancy file","finding":"Appeal #HA-2023-004557: In Process · Complete.","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":"6 permits not marked completed: RP-2024-008979 (Issued), SP-2024-001109 (Issued), PP-2024-013478 (Issued), MP-2024-004482 (Issued), PP-2024-013480 (Issued).","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":"homestead","level":"verify","title":"Homestead is tied to owner occupancy and the deed","finding":"OPA shows the Homestead Exemption.","why":"Philadelphia limits Homestead to an owner’s primary residence. The City says a deed change can require a new application or update.","action":"A buyer should apply in their own name and not assume the seller’s benefit continues.","url":"https://www.phila.gov/documents/homestead-exemption-application/"}],"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"}]}