{"asOf":"2026-07-23T20:55:07.856Z","block":"1900-1999 DIAMOND ST","blockUrl":"https://philadelphia.blockreport.homes/block/1900-1999-diamond-st","address":"1910 DIAMOND ST","parcelNumber":"321180605","source":"https://property.phila.gov/?p=321180605","ownerType":"investor","kind":"multi-family","isHouse":false,"home":true,"commercial":false,"residential":true,"taxExempt":false,"institutional":false,"buildingCode":"O50","buildingCodeNew":"22","buildingClass":"ROW 3 STY MASONRY","buildingClassNew":"ROW TYPICAL","useLabel":"Multi-family","owner":"ONEKEYHOES PHL LLC","coOwner":null,"marketValue":521300,"landAssessment":104200,"improvementAssessment":417100,"livableArea":2514,"yearBuilt":1915,"lastSale":{"price":450000,"date":"2021-02-10T05:00:00Z"},"openViolations":0,"violations":[],"violationCases":[],"investigations":[{"caseNumber":"71554","date":"2006-07-14","type":"CI INSP","status":"FAILED"},{"caseNumber":"71644","date":"2006-07-14","type":"CI INSP","status":"FAILED"},{"caseNumber":"71644","date":"2006-08-31","type":"CI INSP","status":"PASSED"},{"caseNumber":"71554","date":"2006-08-31","type":"CI INSP","status":"FAILED"},{"caseNumber":"71554","date":"2010-11-10","type":"CI INSP","status":"PASSED"}],"inspYears":[{"y":2006,"fails":3,"passes":1},{"y":2010,"fails":0,"passes":1}],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":39.985576663256694,"lng":-75.16500595482542,"geom":{"type":"Polygon","coordinates":[[[-75.1649467,39.985710446],[-75.165005624,39.985437478],[-75.165066386,39.985444876],[-75.165004711,39.985718023],[-75.1649467,39.985710446]]]},"liDistrict":"NORTH","certifications":[{"number":"BC-2026-020521","type":"Fire Alarm Certification","inspectionDate":"2026-07-17","result":"Certified","expirationDate":"2027-07-17","buildingId":"1004605"}],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19121","beds":9,"baths":3,"stories":3,"lotArea":1692,"zoning":"RM1","grade":"C","basement":"D","heater":"A","centralAir":true,"extCond":"3","intCond":"2","garage":null,"homestead":false,"mail":"541 ORIOLE LA, VILLANOVA PA, 19085","mailOut":true,"appeals":[],"taxYears":[{"year":2016,"total":1491.12,"principal":1287.82,"interest":19.32,"penalty":12.88}],"taxNet":1491.12,"taxLien":true,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":1,"abated":false,"assessmentExemption":false,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":80000,"taxable":80000,"land":9123,"improvement":70877,"taxableLand":9123,"taxableImprovement":70877,"exemptLand":0,"exemptImprovement":0},{"y":2017,"v":100000,"taxable":100000,"land":16900,"improvement":83100,"taxableLand":16900,"taxableImprovement":83100,"exemptLand":0,"exemptImprovement":0},{"y":2018,"v":100000,"taxable":100000,"land":16900,"improvement":83100,"taxableLand":16900,"taxableImprovement":83100,"exemptLand":0,"exemptImprovement":0},{"y":2019,"v":126200,"taxable":126200,"land":21328,"improvement":104872,"taxableLand":21328,"taxableImprovement":104872,"exemptLand":0,"exemptImprovement":0},{"y":2020,"v":130500,"taxable":130500,"land":22055,"improvement":108445,"taxableLand":22055,"taxableImprovement":108445,"exemptLand":0,"exemptImprovement":0},{"y":2021,"v":130500,"taxable":130500,"land":22055,"improvement":108445,"taxableLand":22055,"taxableImprovement":108445,"exemptLand":0,"exemptImprovement":0},{"y":2022,"v":130500,"taxable":130500,"land":22055,"improvement":108445,"taxableLand":22055,"taxableImprovement":108445,"exemptLand":0,"exemptImprovement":0},{"y":2023,"v":185600,"taxable":185600,"land":37120,"improvement":148480,"taxableLand":37120,"taxableImprovement":148480,"exemptLand":0,"exemptImprovement":0},{"y":2024,"v":185600,"taxable":185600,"land":37120,"improvement":148480,"taxableLand":37120,"taxableImprovement":148480,"exemptLand":0,"exemptImprovement":0},{"y":2025,"v":473900,"taxable":473900,"land":94700,"improvement":379200,"taxableLand":94700,"taxableImprovement":379200,"exemptLand":0,"exemptImprovement":0},{"y":2026,"v":473900,"taxable":473900,"land":94700,"improvement":379200,"taxableLand":94700,"taxableImprovement":379200,"exemptLand":0,"exemptImprovement":0},{"y":2027,"v":521300,"taxable":521300,"land":104200,"improvement":417100,"taxableLand":104200,"taxableImprovement":417100,"exemptLand":0,"exemptImprovement":0}],"taxNow":6634,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"GM-2021-001128","date":"2021-02-19","work":"Interior Non-Load-Bearing Wall Demo.","type":"General Permit Minor","description":"General Permit Minor","status":"Completed","completedDate":"2021-04-09","scope":"EZ INTERIOR DEMOLITION- For the interior demolition on non-bearing partition wall and ceilings as per attached standard. Deviations from these standards require submission of construction and site plans. 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. *For the interior demolition of non-bearing partition walls and ceiling in accordance with the attached EZ Permit Interior Demolition Standard. Failure to comply with the attached EZ Permit Interior Demolition Standard shall result in revocation of this permit. No exterior work permitted as part of this permit as per PHC.*"},{"number":"ZP-2021-002411","date":"2021-03-17","work":"Change of Use","type":"Zoning","description":"Zoning Permit","status":"Completed","completedDate":"2026-03-10","scope":"Residential - Household Living - Multi-Family"},{"number":"CP-2021-001369","date":"2021-04-06","work":"Addition and/or Alteration","type":"Building","description":"Commercial Building Permit","status":"Completed","completedDate":"2023-02-22","scope":"FOR CHANGE OF OCCUPANCY TO R-2 AND LEVEL III ALTERATIONS TO INLCUDE STRUCTURAL WORK, STAIRS, NEW PARTITIONS, FIXTURES, FURNISHINGS, FINISHES, AS PER APPROVED PLANS. BUILDING SHALL BE FULLY SPRINKLERED PER NFPA 13R MINIMUM. SEPARATE PERMITS REQUIRED FOR MEP AND FIRE SUPPRESSION WORK."},{"number":"FP-2021-002013","date":"2021-08-16","work":"New Construction","type":"Fire Suppression","description":"Fire Suppression Permit","status":"Completed","completedDate":"2023-02-21","scope":"INSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13R THROUGHOUT AN EXISTING STRUCTURE TO INCLUDE 2 \" MAIN FIRE SERVICE LINE AND 2\" DC WILKINS 350XL BACKFLOW PREVENTION ASSEMBLY AS PER APPROVED PLANS. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA."},{"number":"MP-2021-007560","date":"2021-12-01","work":"Addition and/or Alterations","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Completed","completedDate":"2023-02-21","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. (Supply and install trunk duct independent in each apartment along the ceiling to outlet assemblies along ceiling in ceiling. Supply and install 60,000 BTU 95% furnace with a 1 (1.5) ton coil and condenser on first floor. Supply and install 60,000 BTU 95% furnace with a 1 (1.5) coil and condenser on the 2nd Floor. Supply and install 60,000 BTU 95% furnace with a 1 (1.5) ton coil and condenser on 3rd floor. The location of the outdoor units is in the breezeway. (There will be 18 registers throughout.)"},{"number":"EP-2021-014245","date":"2021-12-25","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2023-01-18","scope":"Install 300 amp electrical service with 4 meters. Wire throughout a 3 family dwelling ; 150A main for 2nd & 3rd fl tenant w/ 125 MCB panels in units. switches, lights, receptacles, tv's, phones ,emergency lights and 11oV smoke/co alarms .Install complete fire alarm system w/ low frequency sound in all sleeping areas (living rms and bedrooms) tamper switch & flow switch. ALL WORK IS TO BE DONE ACCORDING TO APPROVED DRAWINGS-2017 NEC,2016 NFPA-72,2018 PHILA FIRE CODE."},{"number":"PP-2021-021447","date":"2022-01-06","work":"Alterations","type":"Plumbing","description":"Plumbing Permit","status":"Completed","completedDate":"2023-02-21","scope":"Alterations: Interior plumbing. All proposed work to be done in accordance with Philadelphia Plumbing Code 2018."}],"storyTag":"New construction","storyDelta":null,"timeline":[{"y":2006,"k":"insp","w":"L&I: 3 failed, 1 passed"},{"y":2010,"k":"insp","w":"Inspection passed"},{"y":2021,"k":"sale","p":450000},{"y":2021,"k":"permit","w":"Interior Non-Load-Bearing Wall Demo."},{"y":2021,"k":"permit","w":"Change of Use"},{"y":2021,"k":"permit","w":"Addition and/or Alteration"},{"y":2021,"k":"permit","w":"New Construction"},{"y":2021,"k":"permit","w":"Addition and/or Alterations"},{"y":2021,"k":"permit","w":"Addition and/or Alteration"},{"y":2022,"k":"permit","w":"Alterations"}],"rented":true,"licenses":[{"number":"925833","type":"Rental","status":"Active","businessName":"OneKey Homes PHL","legalName":"OneKey Homes PHL","address":"1910 DIAMOND ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":3,"issuedDate":"2023-06-08","latestIssueDate":"2026-06-09","expirationDate":"2027-06-07","inactiveDate":null}],"licenseActivity":[{"number":"925833","type":"Rental","businessName":"OneKey Homes PHL","legalName":"OneKey Homes PHL","issuedDate":"2023-06-08","latestIssueDate":"2026-06-09","closureDate":null,"expirationDate":"2027-06-07","inactiveDate":null,"status":"Active","statusLabel":"Active","active":true}],"businessLicenseSourceDate":"2026-07-23","units":3,"signals":[{"kind":"post-purchase-work","level":"elevated","title":"Post-purchase work pattern","summary":"A recorded purchase followed by 7 permit events matches the early part of a renovate-and-resell sequence.","evidence":["purchase recorded in 2021","permit activity in 2021, 2022"],"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 155% in 2025, but no matching permit appears in the property timeline.","evidence":["assessment moved from $185,600 to $473,900","no permit shown in 2024-2026"],"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":"rental-license","level":"verify","title":"A rental license does not transfer with the deed","finding":"1 active Rental License record matched.","why":"If dwelling space is rented, the buyer must obtain a new annual Rental License; the seller’s license is not transferable. New applications require proof of ownership and legal occupancy, tax compliance, no open L&I violations, and lead compliance where applicable.","action":"Plan the buyer’s replacement license before settlement.","url":"https://www.phila.gov/services/permits-violations-licenses/rent-or-sell-property/get-a-rental-license/"},{"id":"managing-agent","level":"verify","title":"Tax mail goes outside Philadelphia; owner residence still needs verification","finding":"OPA mails the property tax record outside Philadelphia (541 ORIOLE LA, VILLANOVA PA, 19085).","why":"A tax mailing destination does not establish where the owner lives. If a rental owner lives outside Philadelphia, the City requires a managing agent with a Philadelphia mailing address; the owner remains legally responsible.","action":"Verify the buyer’s residence and, if the buyer will live outside Philadelphia, identify the Philadelphia managing agent on the new license application.","url":"https://www.phila.gov/services/permits-violations-licenses/rent-or-sell-property/get-a-rental-license/"},{"id":"lead","level":"verify","title":"Lead compliance is a separate record","finding":"OPA records a 1915 build year; BlockReport does not receive the Health Department’s unit-level lead certificate file.","why":"Philadelphia requires covered pre-March-1978 rentals to be certified lead-safe or lead-free for a new or renewed lease and for a new or renewed Rental License. A certificate is unit-specific; a renovation does not by itself create an exemption.","action":"Request the current lead certificate or City exemption for every dwelling unit.","url":"https://www.phila.gov/documents/lead-and-healthy-homes-resources-for-landlords/"},{"id":"investigations","level":"verify","title":"Failed inspections are dated events—not the current condition","finding":"3 failed, 2 passed, and 0 CLOSED investigation outcomes are in the fetched history; the latest dated visit was PASSED on Nov 10, 2010.","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":"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/"},{"id":"building-certifications","level":"clear","title":"Filed system certifications are current in this dataset","finding":"Fire Alarm Certification: Certified through Jul 17, 2027","why":"Fire-protection certifications apply to the named system and inspection period only; they are not a whole-building safety certificate. Philadelphia generally requires annual sprinkler, standpipe, fire-alarm, special-hazard, and emergency-power inspections where those systems exist.","action":"Confirm the certificate covers every applicable system and remains accepted by L&I.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/maintenance-certifications/fire-protection-certifications/"}],"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"}]}