{"asOf":"2026-07-23T01:02:38.402Z","block":"4100-4199 MAIN ST","blockUrl":"https://philadelphia.blockreport.homes/block/4100-4199-main-st","address":"4127 MAIN ST","parcelNumber":"871603070","source":"https://property.phila.gov/?p=871603070","ownerType":"investor","kind":"mixed-use","isHouse":false,"home":false,"commercial":false,"residential":false,"taxExempt":false,"institutional":false,"buildingCode":"Y70","buildingCodeNew":"821","buildingClass":"STR/OFF+APT 4 STY MASONRY","buildingClassNew":"ROW MIXED-COM/RES-BLT AS COM","useLabel":"Apartment building","owner":"BAKER STREET PATNERS LLC","coOwner":null,"marketValue":806300,"landAssessment":161200,"improvementAssessment":645100,"livableArea":3616,"yearBuilt":1925,"lastSale":{"price":125000,"date":"2015-10-01T04:00:00Z"},"openViolations":0,"violations":[],"violationCases":[],"investigations":[],"taxOwed":0,"taxSnapshot":{"available":true,"asOf":"2022-06","matched":false},"taxDelinquencySnapshotAsOf":"2022-06","taxDelinquencySnapshotAvailable":true,"lat":40.022801235598514,"lng":-75.21874493291095,"geom":{"type":"Polygon","coordinates":[[[-75.218639427,40.02285028],[-75.218809844,40.022720437],[-75.218850621,40.02275198],[-75.218679899,40.022882154],[-75.218639427,40.02285028]]]},"liDistrict":"NORTH","certifications":[{"number":"BC-2025-005766","type":"Sprinkler Certification","inspectionDate":"2025-02-10","result":"Certified","expirationDate":"2026-02-10","buildingId":"1544425"},{"number":"BC-2025-027860","type":"Sprinkler Certification","inspectionDate":"2025-10-22","result":"Certified","expirationDate":"2026-10-22","buildingId":"1544425"},{"number":"BC-2026-004286","type":"Sprinkler Certification","inspectionDate":"2026-02-02","result":"Certified","expirationDate":"2027-02-02","buildingId":"1544425"}],"cityRecordAvailability":{"violations":true,"investigations":true,"appeals":true,"certifications":true,"permits":true,"licenses":true},"zip":"19127","beds":null,"baths":null,"stories":null,"lotArea":1121,"zoning":"RM1","grade":"C","basement":null,"heater":null,"centralAir":null,"extCond":"3","intCond":"3","garage":null,"homestead":false,"mail":"611 FLAMINGO ST, PHILADELPHIA PA, 19128","mailOut":false,"appeals":[{"type":"Zoning board appeal","grounds":"PERMIT FOR THE COMPLETE DEMOLITION OF THE EXISTING STRUCTURE. FOR THE ERECTION OF AN ATTACHED STRUCTURE WITH A ROOF DECK AT THE 4TH FLOOR REAR. STRUCTURE TO BE CONSTRUCTED IN COMPLIANCE WITH THE REGULATION OF THE SPECIAL FLOOD HAZARD AREA (","status":"OPEN","outcome":"Granted","date":"2016-02-02","number":"26491","relatedPermit":"638469"}],"taxYears":[],"taxNet":0,"taxLien":false,"taxLedgerThrough":2016,"taxLedgerAvailable":true,"timesSold":1,"abated":true,"assessmentExemption":true,"exemptionBasisVerified":false,"valueSeries":[{"y":2016,"v":192700,"taxable":192700,"land":21095,"improvement":171605,"taxableLand":21095,"taxableImprovement":171605,"exemptLand":0,"exemptImprovement":0},{"y":2017,"v":48800,"taxable":48800,"land":48800,"improvement":0,"taxableLand":48800,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2018,"v":48800,"taxable":48800,"land":48800,"improvement":0,"taxableLand":48800,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2019,"v":48800,"taxable":48800,"land":48800,"improvement":0,"taxableLand":48800,"taxableImprovement":0,"exemptLand":0,"exemptImprovement":0},{"y":2021,"v":680000,"taxable":180000,"land":136000,"improvement":544000,"taxableLand":136000,"taxableImprovement":44000,"exemptLand":0,"exemptImprovement":500000},{"y":2022,"v":680000,"taxable":180000,"land":136000,"improvement":544000,"taxableLand":136000,"taxableImprovement":44000,"exemptLand":0,"exemptImprovement":500000},{"y":2023,"v":550700,"taxable":145385,"land":110140,"improvement":440560,"taxableLand":110140,"taxableImprovement":35245,"exemptLand":0,"exemptImprovement":405315},{"y":2024,"v":550700,"taxable":145385,"land":110140,"improvement":440560,"taxableLand":110140,"taxableImprovement":35245,"exemptLand":0,"exemptImprovement":405315},{"y":2025,"v":662900,"taxable":175006,"land":132580,"improvement":530320,"taxableLand":132580,"taxableImprovement":42426,"exemptLand":0,"exemptImprovement":487894},{"y":2026,"v":662900,"taxable":175006,"land":132580,"improvement":530320,"taxableLand":132580,"taxableImprovement":42426,"exemptLand":0,"exemptImprovement":487894},{"y":2027,"v":806300,"taxable":212808,"land":161200,"improvement":645100,"taxableLand":161200,"taxableImprovement":51608,"exemptLand":0,"exemptImprovement":593492}],"taxNow":2450,"familyHeld":false,"lastTransferNominal":false,"permits":[{"number":"638469","date":"2016-02-05","work":"Zoning/use","type":"ZP_ZON/USE","description":"ZONING/USE PERMIT","status":"COMPLETED","completedDate":"2016-02-05","scope":"FOR THE COMPLETE DEMOLITION OF THE EXISTING STRUCTURE. FOR THE ERECTION OF AN ATTACHED STRUCTURE WITH A ROOF DECK AT THE 4TH FLOOR REAR. STRUCTURE TO BE CONSTRUCTED IN COMPLIANCE WITH THE REGULATION OF THE SPECIAL FLOOD HAZARD AREA (§14 704(4)(C)(.2)(.A)-(.C)). ENTRY AREA BELOW LOWEST FLOOR AREA TO BE FLOOD PROOFED (§14 704(4)(C)(.2)(.B) ). SIZE AND LOCATION AS SHOWN ON PLANS./APPLICATION. FOR USE AS VACANT COMMERCIAL SPACE (USE REGISTRATION REQUIRED PRIOR TO OCCUPANCY) AND FOR MULTI-FAMILY HOUSEHOLD LIVING (FOUR (4) FAMILIES). NO SIGNS ON THIS APPLICATION."},{"number":"689181","date":"2016-05-03","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"EXPIRED","completedDate":"2017-04-10","scope":"DELETE CURB TRAPS AND SEAL LATERAL(MIXED USE)SELF CERTIFICATION'S ARE NO LONGER PERMITTED\",\"ALL EXCAVATIONS AND PLUMBING TRENCHES IN EXCESS OF 5 FT IN DEPTH MUST HAVE APPROVED SHORING IN PLACE AT THE TIME OF INSPECTION\""},{"number":"682964","date":"2016-05-16","work":"Demolition","type":"BP_DEMO","description":"DEMOLITION PERMIT","status":"COMPLETED","completedDate":"2017-01-19","scope":"FOR THE PARTIAL DEMOLITION OF ONE ATTACHED TWO STORY STRUCTURE FOR USE AS A SINGLE-FAMILY DWELLING. ALL PERMITTED DEMOLITION ACTIVITY TO BE IN ACCORDANCE WITH APPROVED SITE SAFETY DEMOLITION PLAN & SUCH PLAN TO BE MAINTAINED ON SITE AT ALL TIMES IN ACCORDANCE WITH CODE BULLETIN B-1302R. FULL SIDEWALK CLOSURE REQUIRED AS REFLECTED ON APPROVED SITE PLAN AND IN ACCORDANCE WITH SECTION 3306 OF THE IBC (SAFETY ZONE IS 15 FEET). BUILDING PARTIALLY DEMOLISHED AS REFERENCED ON SUBMITTED SITE PHOTOS. SEPARATE STREET/SIDEWALK CLOSURE PERMIT TO BE OBTAINED FROM STREETS DEPAREMENT PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. ANY DEVIATION WILL REQUIRE AN AMENDED BUILDING PERMIT."},{"number":"716333","date":"2016-09-19","work":"Zoning admin review","type":"ZP_ADMIN","description":"ZONING ADMIN REVIEW","status":"COMPLETED","completedDate":"2016-09-19","scope":"ADMINISTRATIVE REVIEW TO A/P NO 638469 TO ELIMINATE THE 4TH FLOOR REAR ROOF DECK. NO CHANGE IN GFA, HEIGHT OR USE OF STRUCTURE."},{"number":"695869","date":"2016-09-30","work":"New construction","type":"BP_NEWCNST","description":"NEW CONSTRUCTION PERMIT","status":"COMPLETED","completedDate":"2017-08-23","scope":"ERECTION OF FOUR STORY BUILDING TO TIE INTO EXISTING FACADE WITH FOUR (4) RESIDENTIAL UNITS AND A COMMERCIAL UNIT AT 1ST FLOOR ALONG FRONTAGE OF BUILDING. ALL CONSTRUCTION TO BE DONE AS PER APPROVED PLANS. SEPARATE PERMIT REQUIRED FOR ALL M.E.P. AND FIRE SUPPRESSION WORK. COMMERCIAL AREA TO BE SPRINKLERED PER NFPA 13 AND RESIDENTIAL AREA NFPA 13R. FOR ISSUANCE OF CERTIFICATE OF OCCUPANCY FOR RESIDENTIAL OCCUPANCY ONLY. SEPARATE CERTIFICATE OF OCCUPANCY AND USE REGISTRATION PERMIT REQUIRED FOR VACANT COMMERCIAL SPACE PRIOR TO OCCUPANCY."},{"number":"731546","date":"2016-11-07","work":"Suppression","type":"BP_FIRESUP","description":"SUPPRESSION PERMIT","status":"COMPLETED","completedDate":"2017-08-17","scope":"FOR THE INSTALLATION OF A FIRE SUPPRESSION PERMIT IN ACCORDANCE WITH NFPA 13 FOR THE COMMERCIAL SPACE AND NFPA 13R FOR THE RESIDENTIAL USE, WITH A 2-INCH FIRE SERVICE LINE, AS PER APPROVED PLANS. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA."},{"number":"737124","date":"2016-11-16","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2017-08-23","scope":"POWDER IN BASEMENT 1 TOILET 1 LAV"},{"number":"737424","date":"2016-11-17","work":"Mechanical","type":"BP_MECH","description":"MECHANICAL PERMIT","status":"COMPLETED","completedDate":"2017-08-17","scope":"INSTALL FOUR 60,000 96% FURNACE WITH 2 TON A/C AND DUCTWORK LOCATED UPSTAIRS. INSTALL ONE 80,000 BTU 96% FURNACE WITH 3 TON A/C AND DUCTWORK LOCATED DOWNSTAIRS"},{"number":"740378","date":"2017-01-11","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2017-08-17","scope":"NEW CONSTRUCTION: INTERIOR PLUMBING OF A 4-STORY BUILDING WITH A VACANT COMMERCIAL SPACE AND (4) DWELLING UNITS (MIXED-USE).THE INSTALLATION WILL COMPLY WITH THE PHILADELPHIA PLUMBING CODE, 2004. ADDITIONAL PERMITS ARE REQUIRED FOR THE (2) 5\" SEWER LATERALS AND THE 1-1/4\" DOMESTIC WATER DISTRIBUTION SERVICE TO THE STREET MAINS, AS WELL AS THE 1-1/4\" BACKFLOW PREVENTION CONTAINMENT ASSEMBLY ON THE MAIN DOMESTIC WATER SUPPLY. ADDITIONAL PERMITS ARE REQUIRED FOR THE FIT-OUT OF THE VACANT COMMERCIAL SPACE (THE TOILET ROOM ON THE 3RD FLOOR IS INCLUDED IN THIS PERMIT)."},{"number":"742382","date":"2017-01-12","work":"Electrical","type":"EP_ELECTRL","description":"ELECTRICAL PERMIT","status":"COMPLETED","completedDate":"2017-08-17","scope":"NEW 400 AMP SERVICE, 1-100AMP FOR COMMERCIAL SPACE 4-100 AMP FOR 4 APARTMENT UNITS. NEW SWITCHES AND OUTLETS AS PER NEC 2008 NORTH DISTRICT & WIRE FOR FIRE ALARM AS PER NFPA 72"},{"number":"763205","date":"2017-03-01","work":"Plumbing","type":"PP_PLUMBNG","description":"PLUMBING PERMIT","status":"COMPLETED","completedDate":"2017-05-24","scope":"1\"WATER SERVICE, 5\" LATERAL, 5\"SANITARY, 6\" STORM & HOUSE DRAIN & ARE YARD DRAIN PA20170590449 SELF CERTIFICATION NO LONGER ACCEPTED ALL TRENCHES IN EXCESS OF 5 FT MUST HAVE APPROVED SHORING AT THE TIME OF INSPECTION"}],"storyTag":"Torn down & rebuilt","storyDelta":null,"timeline":[{"y":2016,"k":"permit","w":"Zoning/use"},{"y":2016,"k":"permit","w":"Plumbing"},{"y":2016,"k":"permit","w":"Demolition"},{"y":2016,"k":"permit","w":"Zoning admin review"},{"y":2016,"k":"permit","w":"New construction"},{"y":2016,"k":"permit","w":"Suppression"},{"y":2016,"k":"permit","w":"Plumbing"},{"y":2016,"k":"permit","w":"Mechanical"},{"y":2017,"k":"permit","w":"Plumbing"},{"y":2017,"k":"permit","w":"Electrical"},{"y":2017,"k":"demo"},{"y":2017,"k":"permit","w":"Plumbing"}],"rented":true,"licenses":[{"number":"838186","type":"Rental","status":"Active","businessName":"Baker Street Partners LLC","legalName":"Baker Street Partners LLC","address":"4127 MAIN ST","revenueCode":"3202","rentalCategory":"Residential Dwellings","units":4,"issuedDate":"2020-02-26","latestIssueDate":"2026-01-09","expirationDate":"2027-02-25","inactiveDate":null}],"licenseActivity":[{"number":"838186","type":"Rental","businessName":"Baker Street Partners LLC","legalName":"Baker Street Partners LLC","issuedDate":"2020-02-26","latestIssueDate":"2026-01-09","closureDate":null,"expirationDate":"2027-02-25","inactiveDate":null,"status":"Active","statusLabel":"Active","active":true}],"businessLicenseSourceDate":"2026-07-21","units":4,"signals":[{"kind":"permit-mismatch","level":"watch","title":"Assessment/permit mismatch","summary":"The assessment jumped 1293% in 2021, but no matching permit appears in the property timeline.","evidence":["assessment moved from $48,800 to $680,000","no permit shown in 2020-2022"],"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 #638469: 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: 689181 (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":"mixed-use","level":"verify","title":"Residential and business space run on separate compliance tracks","finding":"OPA classifies this parcel as mixed-use.","why":"The zoning/use and occupancy file must cover the actual residential and commercial spaces. Dwelling units can require Rental Licenses and lead compliance; the operator can separately need an Activity License and sector license; installed fire systems can require annual certification.","action":"Match every dwelling and business use to the zoning permit, CO, current operator licenses, and life-safety filings.","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":"lead","level":"verify","title":"Lead compliance is a separate record","finding":"OPA records a 1925 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":"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 mixed-use. 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":"Sprinkler Certification: Certified through Feb 2, 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/"}]}