{"asOf":"2026-07-23T18:59:55.497Z","block":"4900-4999 KEYSER ST","blockUrl":"https://philadelphia.blockreport.homes/block/4900-4999-keyser-st","address":"4946 KEYSER ST","parcelNumber":"123099410","source":"https://property.phila.gov/?p=123099410","ownerType":"vacant","kind":"vacant land","isHouse":false,"home":false,"commercial":false,"residential":false,"taxExempt":true,"institutional":false,"buildingCode":"SR","buildingCodeNew":null,"buildingClass":"VACANT LAND RESIDE < ACRE","buildingClassNew":null,"useLabel":"Vacant lot","owner":"PHILADELPHIA REDEVELOPMENT AUTHORITY","coOwner":null,"marketValue":30700,"landAssessment":30700,"improvementAssessment":0,"livableArea":null,"yearBuilt":null,"lastSale":{"price":1,"date":"2026-03-30T04:00:00Z"},"openViolations":0,"violations":[],"violationCases":[],"investigations":[],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":40.025673335811845,"lng":-75.16672610385683,"geom":{"type":"Polygon","coordinates":[[[-75.166629886,40.025742328],[-75.166771528,40.025583606],[-75.166823004,40.025611153],[-75.166673831,40.025766142],[-75.166629886,40.025742328]]]},"liDistrict":"NORTH","certifications":[],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19144","beds":null,"baths":null,"stories":null,"lotArea":2053,"zoning":"RSA5","grade":null,"basement":null,"heater":null,"centralAir":null,"extCond":null,"intCond":null,"garage":null,"homestead":false,"mail":"1234 MARKET ST 16TH FL, PHILADELPHIA PA, 19107","mailOut":false,"appeals":[],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":0,"abated":false,"assessmentExemption":false,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":12100,"taxable":0,"land":12100,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":12100,"exemptImprovement":0},{"y":2017,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2018,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2019,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2020,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2021,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2022,"v":13500,"taxable":0,"land":13500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":13500,"exemptImprovement":0},{"y":2023,"v":15500,"taxable":0,"land":15500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":15500,"exemptImprovement":0},{"y":2024,"v":15500,"taxable":0,"land":15500,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":15500,"exemptImprovement":0},{"y":2025,"v":24100,"taxable":0,"land":24100,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":24100,"exemptImprovement":0},{"y":2026,"v":24100,"taxable":0,"land":24100,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":24100,"exemptImprovement":0},{"y":2027,"v":30700,"taxable":0,"land":30700,"improvement":0,"taxableLand":0,"taxableImprovement":0,"exemptLand":30700,"exemptImprovement":0}],"taxNow":0,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"ZP-2025-008747","date":"2025-10-09","work":"New construction, addition, GFA change","type":"Zoning","description":"Zoning Permit","status":"Issued","completedDate":null,"scope":"**AMENDMENT APPROVED ON 10/27/2025: TO AMENDMENT PREVIOUSLY APPROVED ZONING PERMIT # ZP-2025-008747, TO DOCUMENT THE CHANGE TO GROSS FLOOR AREA INCREASE FROM 588 SQ FT. TO 658 SQ FT. AND THE REMAINING PERMIT SAME AS PREVIOUSLY APPROVED. SIZE AND LOCATION AS SHOWN ON THE PLANS** FOR THE ERECTION OF A NEW ATTACHED STRUCTURE WITH CELLAR. SIZE AND LOCATION AS SHOWN IN THE APPLICATION / PLAN."},{"number":"RP-2025-012131","date":"2026-02-13","work":"New Construction","type":"Residential Building","description":"Residential Building Permit","status":"Issued","completedDate":null,"scope":"FOR NEW CONSTRUCTION OF A TWO-STORY WOOD-FRAME ATTACHED STRUCTURE ON REINFORCED CONCRETE FOOTINGS/FOUNDATIONS. FOR USE AS A SINGLE-FAMILY DWELLING THROUGHOUT. BUILDING SHALL BE FULLY SPRINKLERED WITH A MIN OF NFPA13D, SEPARATE PERMITS REQUIRED FOR ALL ELECTRICAL, PLUMBING, AND FIRE SUPPRESSION SYSTEMS. **MECHANICAL WORK TO BE INCLUDED **PROTECTION OF RIGHT-OF-WAY / PEDESTRIANS / ADJACENT PROPERTIES REQUIRED DURING ALL CONSTRUCTION.**ENERGY CODE COMPLIANCE IN ACCORDANCE WITH 2018 IECC. PRIOR TO ISSUANCE OF C.O SUBMITTAL OF AIR BARRIER CHECKLIST AND ENVELOPE TESTING CERTIFICATE IS REQUIRED. BOTH TO BE COMPLETED BY AN APPROVED PARTY.**"},{"number":"PP-2026-001846","date":"2026-03-17","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Interior) for combo RP-2025-012131"},{"number":"PP-2026-001844","date":"2026-03-17","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Water Distribution) for combo RP-2025-012131"},{"number":"PP-2026-001845","date":"2026-03-17","work":"New Construction or Additions","type":"Plumbing","description":"Plumbing Permit","status":"Issued","completedDate":null,"scope":"Plumbing Permit (Exterior Building Drainage) for combo RP-2025-012131"},{"number":"MP-2026-000928","date":"2026-03-19","work":"New Construction","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Issued","completedDate":null,"scope":"Mechanical / Fuel Gas Permit for combo RP-2025-012131"},{"number":"EP-2026-001202","date":"2026-03-31","work":"New Construction","type":"Electrical","description":"Electrical Permit","status":"Issued","completedDate":null,"scope":"Electrical Permit for combo RP-2025-012131"},{"number":"FP-2026-000620","date":"2026-05-13","work":"New Construction","type":"Fire Suppression","description":"Fire Suppression Permit","status":"Issued","completedDate":null,"scope":"THE INSTALLATION OF A ONE (1) INCH COMBINED SERVICE LINE FOR A FIRE & DOMESTIC SUPPLY LINE AND FIRE SERVICE LINE WITH REMOTE TOILET CONNECTION PER PLANS. MULTIPURPOSE RESIDENTIAL FIRE SPRINKLER SYSTEM DESIGNED IN ACCORDANCE WITH NFPA 13D. ALL WORK SHALL BE ACCORDANCE WITH APPROVED PLANS, HYDRAULIC CALCULATIONS, AND APPROVED BUILDING PERMIT. SEPARATE PERMITS REQUIRED FOR ALL PLUMBING WORK."}],"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2025,"k":"permit","w":"New construction, addition, GFA change"},{"y":2026,"k":"permit","w":"New Construction"},{"y":2026,"k":"permit","w":"New Construction or Additions"},{"y":2026,"k":"permit","w":"New Construction or Additions"},{"y":2026,"k":"permit","w":"New Construction or Additions"},{"y":2026,"k":"permit","w":"New Construction"},{"y":2026,"k":"permit","w":"New Construction"},{"y":2026,"k":"permit","w":"New Construction"}],"rented":false,"licenses":[],"licenseActivity":[],"businessLicenseSourceDate":"2026-07-23","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":["8 permit events since 2023"],"caveat":"Record activity alone does not establish that a sale or redevelopment is planned."}],"legalChecks":[{"id":"permit-status","level":"attention","title":"A permit row needs file-level verification","finding":"7 permits not marked completed: RP-2025-012131 (Issued), PP-2026-001846 (Issued), PP-2026-001844 (Issued), PP-2026-001845 (Issued), MP-2026-000928 (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":"building-certifications","level":"verify","title":"A fire-system permit exists, but no annual certification matched","finding":"2 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":"full-tax-exemption","level":"verify","title":"OPA shows a full exemption; its legal basis is unverified","finding":"OPA currently marks the land and building assessment fully tax-exempt; BlockReport does not receive the exemption determination or basis.","why":"Full OPA exemptions can have different legal bases, including government, religious, charitable/institutional, veteran, or other treatment. The current owner/use record is not a buyer’s tax forecast.","action":"Confirm the exact exemption basis, buyer eligibility, and next tax-year treatment directly with OPA.","url":"https://www.phila.gov/departments/office-of-property-assessment/tax-exemptions-and-abatements/"}],"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/"}]}