{"asOf":"2026-07-26T06:38:26.426Z","block":"800-899 N 20TH ST","blockUrl":"https://philadelphia.blockreport.homes/block/800-899-n-20th-st","address":"817 N 20TH ST","parcelNumber":"881551167","source":"https://property.phila.gov/?p=881551167","ownerType":"investor","kind":"multi-family","isHouse":false,"home":false,"commercial":false,"residential":false,"taxExempt":false,"institutional":false,"buildingCode":"CA0","buildingCodeNew":"830","buildingClass":"APTS 5-50 UNITS MASONRY","buildingClassNew":"APARTMENTS - MID RISE","useLabel":"Apartment building","owner":"WOODS CHARTER SCHOOL DEVELOPMENT LLC","coOwner":null,"marketValue":2956400,"landAssessment":295600,"improvementAssessment":2660800,"livableArea":15000,"yearBuilt":2018,"lastSale":{"price":5414000,"date":"2021-09-27T04:00:00Z"},"openViolations":0,"violations":[],"violationCases":[],"investigations":[],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":39.96967629241542,"lng":-75.16937972204789,"geom":{"type":"Polygon","coordinates":[[[-75.16921689,39.969596144],[-75.169219276,39.969584043],[-75.169569744,39.969628582],[-75.169539277,39.96976887],[-75.169189907,39.969723685],[-75.16921689,39.969596144]]]},"liDistrict":"NORTH","certifications":[{"number":"BC-2022-003375","type":"Sprinkler Certification","inspectionDate":"2022-01-24","result":"Certified","expirationDate":"2023-01-24","buildingId":"1070618"},{"number":"BC-2025-028782","type":"Fire Alarm Certification","inspectionDate":"2025-10-26","result":"Certified","expirationDate":"2026-10-26","buildingId":"1070618"},{"number":"BC-2025-028781","type":"Emergency and Standby Power Systems Certification","inspectionDate":"2025-10-26","result":"Certified","expirationDate":"2026-10-26","buildingId":"1070618"}],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19130","beds":null,"baths":null,"stories":4,"lotArea":5166,"zoning":"RSA5","grade":"B+","basement":null,"heater":null,"centralAir":null,"extCond":"1","intCond":"1","garage":null,"homestead":false,"mail":"10 E PALISADE AVE, ENGLEWOOD NJ, 07631","mailOut":true,"appeals":[{"type":"Zoning board appeal","grounds":"APPEAL AGAINST L&I PERMIT 868016","status":"OPEN","outcome":"Denied","date":"2018-08-01","number":"33885","relatedPermit":"868016"}],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":2,"abated":true,"assessmentExemption":true,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":507700,"taxable":507700,"land":87040,"improvement":420660,"taxableLand":87040,"taxableImprovement":420660,"exemptLand":0,"exemptImprovement":0},{"y":2017,"v":507700,"taxable":507700,"land":152310,"improvement":355390,"taxableLand":152310,"taxableImprovement":355390,"exemptLand":0,"exemptImprovement":0},{"y":2018,"v":507700,"taxable":507700,"land":152310,"improvement":355390,"taxableLand":152310,"taxableImprovement":355390,"exemptLand":0,"exemptImprovement":0},{"y":2020,"v":3500000,"taxable":350000,"land":350000,"improvement":3150000,"taxableLand":350000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":3150000},{"y":2021,"v":3500000,"taxable":350000,"land":350000,"improvement":3150000,"taxableLand":350000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":3150000},{"y":2022,"v":3500000,"taxable":350000,"land":350000,"improvement":3150000,"taxableLand":350000,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":3150000},{"y":2023,"v":3269000,"taxable":326900,"land":326900,"improvement":2942100,"taxableLand":326900,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":2942100},{"y":2024,"v":3269000,"taxable":326900,"land":326900,"improvement":2942100,"taxableLand":326900,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":2942100},{"y":2025,"v":2704800,"taxable":270480,"land":270480,"improvement":2434320,"taxableLand":270480,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":2434320},{"y":2026,"v":2704800,"taxable":270480,"land":270480,"improvement":2434320,"taxableLand":270480,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":2434320},{"y":2027,"v":2956400,"taxable":295600,"land":295600,"improvement":2660800,"taxableLand":295600,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":2660800}],"taxNow":3786,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"862888","date":"2018-04-11","work":"Zoning","type":"ZP_ZONING","description":"ZONING PERMIT","status":"COMPLETED","completedDate":"2018-04-11","scope":"FOR THE LOT ADJUSTMENT TO CONSOLIDATE THREE (3) EXISTING ZONING LOTS (817 N 20TH ST, 819 N 20TH ST, 821 N 20TH ST) INTO ONE (1) LOT (PARCEL 'C'), SIZE AND LOCATION AS SHOWN ON THE SUBMITTED PLANS."},{"number":"866798","date":"2018-04-12","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2018-11-02","scope":"SEAL 5\" SEWER LATERAL, REMOVE TRAP PA ONE CALL #2018-0952448"},{"number":"868016","date":"2018-04-17","work":"Zoning/use","type":"ZP_ZON/USE","description":"ZONING/USE PERMIT","status":"COMPLETED","completedDate":"2018-04-17","scope":"FOR THE COMPLETE DEMOLITION OF AN EXISTING STRUCTURE ON LOT; FOR THE ERECTION OF AN ATTACHED STRUCTURE WITH GREEN ROOF AND TWO (2) ROOF DECKS ACCESSED BY FOUR (4) INDIVIDUAL ROOF DECK ACCESS STRUCTURES, FOR USE AS MULTI-FAMILY (TOTAL FOURTEEN (14) DWELLING UNITS) HOUSEHOLD LIVING, SIZE AND LOCATIONS AS SHOWN IN THE PLANS/APPLICATION."},{"number":"873734","date":"2018-05-18","work":"Demolition","type":"BP_DEMO","description":"DEMOLITION PERMIT","status":"COMPLETED","completedDate":"2018-07-12","scope":"FOR THE COMPLETE DEMOLITION OF EXISTING TWO AND THREE STORY ATTACHED STRUCTURES. STRUCTURE TO BE DEMOLISHED BY HAND AND WITH HAND-HELD TOOLS ONLY. PEDESTRIAN PROTECTION TO BE IN PLACE PRIOR TO START OF WORK AND TO BE MAINTAINED DURING ALL DEMOLITION ACTIVITIES. * A COVERED WALKWAY OR SIDEWALK CLOSURE SHALL BE REQUIRED IN ACCORDANCE WITH SECTION 3306 OF THE IBC. SEPARATE BUILDING AND/OR STREETS DEPARTMENT PERMITS ARE REQUIRED. * 21 DAY POSTING AND NOTICE REQUIRED PER A-303.2 * NEWLY EXPOSED WALLS TO BE TREATED"},{"number":"880555","date":"2018-07-06","work":"New construction","type":"BP_NEWCNST","description":"NEW CONSTRUCTION PERMIT","status":"COMPLETED","completedDate":"2019-05-31","scope":"FOR THE ERECTION OF A FOUR (4) STORY DETACHED STRUCTURE OF TYPE VA CONSTRUCTION FOR FOURTEEN (14) DWELLING UNITS WITH CELLAR, ROOF DECK AND PILOT HOUSES AS PER PLANS. SEPARATE PERMITS REQUIRED FOR ALL MECHANICAL, ELECTRICAL, PLUMBING AND FIRE SUPPRESSION WORK."},{"number":"915162","date":"2018-11-02","work":"Mechanical","type":"BP_MECH","description":"MECHANICAL PERMIT","status":"COMPLETED","completedDate":"2019-05-30","scope":"FOR THE INSTALLATION OF AN HVAC MECHANICAL SYSTEM TO INCLUDE (14) SPLIT SYSTEM HEAT PUMP SYSTEMS, ASSOCIATED CONDENSING UNITS, EXHAUST FANS, CLOTHES DRYER EXHAUST DUCTWORK, GRILLES/REGISTERS/DIFFUSERS, AND ALL ASSOCIATED DUCTWORK. ALL DUCT WORK WILL BE SELF CONTAINED IN EACH TENANT SPACE."},{"number":"894287","date":"2018-11-15","work":"Suppression","type":"BP_FIRESUP","description":"SUPPRESSION PERMIT","status":"COMPLETED","completedDate":"2019-05-30","scope":"FOR THE INSTALLATION OF A FIRE SPRINKLER SYSTEM IN ACCORDANCE WITH NFPA 2007, STANDARD 13R TO INCLUDE A 2-INCH DIAMETER SERVICE LINE AND 2.5-INCH DIAMETER BACKFLOW PREVENTION ASSEMBLY."},{"number":"933162","date":"2018-12-06","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2019-02-01","scope":"WATER SERVICE, HOUSE DRAIN, CURB TRAP & FAI PA20183381876 \"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":"938138","date":"2018-12-28","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2019-01-09","scope":"REPLACE HOUSE TRAP, FRESH AIR INLET AS PER PHILADELPHIA 2004 PLUMBING CODE."},{"number":"917343","date":"2019-01-08","work":"Electrical","type":"EP_ELECTRL","description":"ELECTRICAL PERMIT","status":"COMPLETED","completedDate":"2019-06-18","scope":"INSTALL 600AMP 3P MAIN SERVICE INSTALL 15 GANG METER MODULE INSTALL WIRING THROUGHOUT 14APTS AND COMMON AREA INSTALL FIRE ALARM SYSTEM THROUGHOUT"},{"number":"949040","date":"2019-02-22","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2019-05-30","scope":"NEW CONSTRUCTION: INTERIOR PLUMBING;4) STORY DETACHED STRUCTURE OF TYPE VA CONSTRUCTION FOR FOURTEEN (14) DWELLING UNITS WITH CELLAR, ROOF DECK; DRAIN AND WATER LINES FROM BASEMENT TO 24 TOILETS, 24 SINKS, 24 TUB/SHOWERS, 14 KITCHEN, 14 LAUNDRY. THE INSTALLATION WILL COMPLY WITH THE 2004 PHILA PLUMBING CODE."},{"number":"948743-RI","date":"2020-05-02","work":"Rough-In","type":"Plumbing","description":"Plumbing Permit","status":"Expired","completedDate":"2021-03-23","scope":"RUN DRAIN & WATER FROM BASEMENT TO 24-TOILETS, 24-LAVS, 24-TUBS & 14-KITCHEN SINK AND 6-STACKS, 14-HOT WATER HEATERS. HOUSE DRAIN & AREA DRAIN THE INSTALLATION WILL COMPLY WITH THE PHILADELPHIA PLUMBING CODE 2004"}],"storyTag":"Torn down & rebuilt","storyDelta":null,"timeline":[{"y":2018,"k":"permit","w":"Demolition"},{"y":2018,"k":"permit","w":"New construction"},{"y":2018,"k":"demo"},{"y":2018,"k":"appeal","w":"Appeal denied"},{"y":2018,"k":"permit","w":"Mechanical"},{"y":2018,"k":"permit","w":"Suppression"},{"y":2018,"k":"permit","w":"Plumbing"},{"y":2018,"k":"permit","w":"Plumbing"},{"y":2019,"k":"permit","w":"Electrical"},{"y":2019,"k":"permit","w":"Plumbing"},{"y":2020,"k":"permit","w":"Rough-In"},{"y":2021,"k":"sale","p":5414000}],"rented":true,"licenses":[{"number":"816522","type":"Rental","status":"Inactive","businessName":"SDG 817-821 N 20th Street LLC","legalName":"SDG 817-821 N 20th Street LLC","address":"817 N 20TH ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":14,"issuedDate":"2019-06-25","latestIssueDate":"2022-06-24","expirationDate":"2023-06-24","inactiveDate":"2023-08-23"},{"number":"881877","type":"Rental","status":"Active","businessName":"Woods Charter School Development LLC (Stamm Development Group LLC)","legalName":"Woods Charter School Development LLC","address":"817 N 20TH ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":14,"issuedDate":"2021-11-22","latestIssueDate":"2025-10-28","expirationDate":"2026-11-21","inactiveDate":null}],"licenseActivity":[{"number":"881877","type":"Rental","businessName":"Woods Charter School Development LLC (Stamm Development Group LLC)","legalName":"Woods Charter School Development LLC","issuedDate":"2021-11-22","latestIssueDate":"2025-10-28","closureDate":null,"expirationDate":"2026-11-21","inactiveDate":null,"status":"Active","statusLabel":"Active","active":true},{"number":"816522","type":"Rental","businessName":"SDG 817-821 N 20th Street LLC","legalName":"SDG 817-821 N 20th Street LLC","issuedDate":"2019-06-25","latestIssueDate":"2022-06-24","closureDate":"2023-08-23","expirationDate":"2023-06-24","inactiveDate":"2023-08-23","status":"Inactive","statusLabel":"Inactive","active":false}],"businessLicenseSourceDate":"2026-07-25","units":14,"signals":[],"legalChecks":[{"id":"use-occupancy","level":"attention","title":"Zoning approval is not the occupancy file","finding":"Use permit #868016: 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: 948743-RI (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":"building-certifications","level":"attention","title":"A life-safety certification appears expired","finding":"Sprinkler Certification: Certified through Jan 24, 2023; Fire Alarm Certification: Certified through Oct 26, 2026; Emergency and Standby Power Systems Certification: Certified through Oct 26, 2026","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":"Request the correction/reinspection and current filed certificate.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/maintenance-certifications/fire-protection-certifications/"},{"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 (10 E PALISADE AVE, ENGLEWOOD NJ, 07631).","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":"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/"}]}