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SIZE AND LOCATION AS SHOWN IN THE APPLICATION. SIGN ACCESSORY TO EXISTING GALLERY, IN THE SAME BUILDING WITH AUDITORIUM, OFFICE / CONFERENCE AREAS, PRIVATE ACCESSORY PARKING AND WITH USES AS PREVIOUSLY APPROVED."},{"number":"292327","date":"2010-10-05","work":"Zoning","type":"ZP_ZONING","description":"ZONING PERMIT","status":"COMPLETED","completedDate":"2010-10-05","scope":"FOR THE RELOCATION OF LOT LINE TO CREATE ONE(1) LOT FROM TWO(2) BRT ACCOUNTS ( 305-319 CHESTNUT STREET AND 36 S 03RD STREET). SIZE AND LOCATION AS SHOWN IN THE APPLICATION."},{"number":"335658","date":"2011-04-21","work":"Major alteration","type":"BP_ALTER","description":"ALTERATION PERMIT","status":"COMPLETED","completedDate":"2011-10-19","scope":"EXTERIOR RENOVATIONS (MASONRY REPAIRS TO INCLUDE REPOINTING, REBUILDING PORTION OF PARAPET, FLASHING, RE-COATING EXISTING STUCCO) TO BUILDING FACADES, INCLUDING CONSTRUCTION OF TEMPORARY SIDEWALK SHELTER PLATFORMS AND SCAFFOLDING ALONG CHESTNUT ST (SOUTH FACADE) AND ORIANNA ST (WEST FACADE)."},{"number":"338187","date":"2011-05-04","work":"Zoning/use","type":"ZP_ZON/USE","description":"ZONING/USE PERMIT","status":"COMPLETED","completedDate":"2011-05-04","scope":"FOR THE ERECTION OF ONE(1) STORY ADDITION ON REAR AND SIDE IN AN EXISTING SEVEN(7) STORY STRUCTURE AND FOR THE REMOVAL OF AN EXISTING THREE (3) PARKING SPACES ( FOR A TOTAL OF 36 PARKING SPACES REMAINS) .SIZE AND LOCATION AS SHOWN IN THE APPLICATION. FOR USE AS ACCESSORY STORAGE ( NOT MORE THAN 25% OF GROSS FLOOR AREA) IN THE SAME BUILDING WITH AN EXISTING NON-PROFIT PRIVATE EDUCATION FOUNDATION ( B-7), EXISTING \"GALLERY\" , AUDITORIUM AND OFFICE/CONFERENCE AREA ON FIRST FLOOR ( B & A-3)ON FIRST FLOOR AND OFFICE/CONFERENCE AREAS ON SECOND FLOOR WITH A PRIVATE ACCESSORY PARKING LOT WITH 36 PARKING SPACES INCLUDING WITH THREE(3) H/C PARKING SPACES WITH ALL OTHER USES AS PREVIOUSLY APPROVED."},{"number":"397365","date":"2012-05-11","work":"Zoning/use","type":"ZP_ZON/USE","description":"ZONING/USE PERMIT","status":"COMPLETED","completedDate":"2012-05-11","scope":"FOR THE COMPLETE DEMOLITION OF AN EXISTING FOUR (4) STORY STRUCTURE (FACADE TO REMAIN) AND FOR THE ERECTION OF A TWO (2) AND ONE (1) STORY ADDITION TO AN EXISTING SEVEN (7) STORY STRUCTURE. SIZE AND LOCATION AS SHOWN IN THE APPLICATION. ADDITION FOR USE AS MANUSCRIPT STORAGE ON THE FIRST FLOOR WITH A MECHANICAL ROOM ON THE SECOND FLOOR AS PART OF AN EXISTING PRIVATE EDUCATION FOUNDATION AND GALLERY, IN THE SAME BUILDING WITH AUDITORIUM, OFFICE / CONFERENCE AREAS, PRIVATE ACCESSORY PARKING AND WITH USES AS PREVIOUSLY APPROVED."},{"number":"421875","date":"2012-09-10","work":"Addition","type":"BP_ADDITON","description":"ADDITION PERMIT","status":"COMPLETED","completedDate":"2013-10-16","scope":"PARTIAL DEMO OF EXISTING 4 STORY BUILDING. RECONSTRUCTION OF BUILDING AS 1 STORY ADDITION WITH MEZZANINE AND A 1 STORY BREEZEWAY ADDITION AS PER PLANS. 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SPRINKLER SYSTEM TO BE PERFORMED BY OTHER. INSTALLATION OF A FIRESUPRESSION SYSTEM IN ACCORDANCE WITH NFPA 2001. SEPARATE ELECTRICAL PERMIT IS REQUIRED."},{"number":"463513","date":"2013-10-03","work":"Suppression","type":"BP_FIRESUP","description":"SUPPRESSION PERMIT","status":"COMPLETED","completedDate":"2013-10-09","scope":"FOR EXTENSION OF EXIST. AUTOMATIC SPRINKLER SYSTEM W. BACKFLOW PREVENTION (BFP) & FIRE PUMP ASSEMBLIES FOR A ONE (1) STORY W. MEZZANINE RECORDS STORAGE BUILDING. AUTOMATIC SPRINKLER SYSTEM INSTALLATION IN ACCORDANCE WITH NFPA 13. ALL PERMITTED WORK IN ACCORDANCE WITH PLANS APPROVED BY THE PHC DATED 04.02.13. SEPARATE PERMIT REQUIRED FOR AUTOMATIC SPRINKLER SYSTEM PROTECTION OF SHELF STORAGE AREA."},{"number":"520192","date":"2014-03-31","work":"Alteration","type":"BP_ALTER","description":"ALTERATION PERMIT","status":"COMPLETED","completedDate":"2014-08-05","scope":"INSTALL A NEW FLEECEBACK PVC MEMBRANE. 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Fire Alarm: Install 3 horn/strobe, 1 strobe, 1 duct detector, and 1 relay as per 2016 NFPA 72."},{"number":"FP-2024-001241","date":"2024-06-12","work":"Addition and/or Alterations","type":"Fire Suppression","description":"Fire Suppression Permit","status":"Completed","completedDate":"2024-11-26","scope":"EZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and site plans. RELOCATE (41) SPRNKLER HEADS AS PER NFPA 13"},{"number":"PP-2024-007730","date":"2024-06-20","work":"Alterations","type":"Plumbing","description":"Plumbing Permit","status":"Completed","completedDate":"2024-11-26","scope":"INSTALL 1 FLOOR DRAIN, 1 KITCHEN SINK, 1 LAVATORIES, 1 SUMP PUMP AND 1 WATER CLOSET ACCORDING TO THE 2018 PPC AND PER PLANS."},{"number":"EP-2024-007084","date":"2024-07-22","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2024-11-12","scope":"Running 26 Cat 6 cables, 225' max, plenum"},{"number":"CP-2024-006600","date":"2024-12-30","work":"Addition and/or Alteration","type":"Building","description":"Commercial Building Permit","status":"Completed","completedDate":"2025-06-30","scope":"LEVEL II INTERIOR ALTERATIONS (NO CHANGE OF OCCUPANCY) FOR RENOVATIONS TO MAIN LOBBY AND EXHIBIT SPACES ON THE FIRST FLOOR OF AN EXISTING MUSEUM AS PER APPROVED PLANS. EXISTING BUILDING FULLY SPRINKLERED. *2018 IEBC REVIEW* **SEPARATE PERMITS REQUIRED FOR ANY MEP OR FIRE SUPPRESSION WORK**"},{"number":"FP-2024-002692","date":"2025-01-07","work":"Addition and/or Alterations","type":"Fire Suppression","description":"Fire Suppression Permit","status":"Completed","completedDate":"2025-06-30","scope":"EZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and site plans. RELOCATE (10) SPRINKLER HEADS AS PER NFPA 13 AND LOCAL CODES"},{"number":"MP-2025-000088","date":"2025-01-23","work":"Addition and/or Alterations","type":"Mechanical","description":"Mechanical / Fuel Gas Permit","status":"Completed","completedDate":"2025-06-30","scope":"FOR THE ALTERATION TO THE EXISTING HVAC SYSTEM AS PER APPROVED PLANS."},{"number":"EP-2025-000707","date":"2025-02-19","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2025-06-23","scope":"Interior wiring lighting & receptacles , 1 FA device added for minor alterations . ALL WORK IS TO BE DONE ACCORDING TO APPROVED DRAWINGS-2017 NEC,2016 NFPA-72."},{"number":"EP-2025-002491","date":"2025-03-24","work":"Addition and/or Alteration","type":"Electrical","description":"Electrical Permit","status":"Completed","completedDate":"2025-06-13","scope":"Telecom cabling, longest run 250' plenum"},{"number":"GM-2025-007622","date":"2025-09-18","work":"Roof Covering Replacement","type":"General Permit Minor","description":"General Permit Minor","status":"Issued","completedDate":null,"scope":"EZ PERMIT RE-ROOFING- For the Installation of New Roof Coverings on Existing Roofs as per attached standard. Deviations from these standards require submission of construction and site plans. Replacement of sheathing in excess of 10% of roof area shall not be applicable to the EZ permit process. Work is just for the \"Ullyot Center Building\" (eastern-most building of 305 Chestnut St on Chestnut St side) and is a non-contributing building in the Old City Historic District. Confirmed via email with applicant. No work to exterior windows and/or doors as part of this permit. No work to front facade as part of this permit(As per PHC conditions)."}],"storyTag":"Improved","storyDelta":null,"timeline":[{"y":2024,"k":"permit","w":"Addition and/or Alteration"},{"y":2024,"k":"permit","w":"Addition and/or Alterations"},{"y":2024,"k":"permit","w":"Alterations"},{"y":2024,"k":"permit","w":"Addition and/or Alteration"},{"y":2024,"k":"permit","w":"Addition and/or Alteration"},{"y":2025,"k":"permit","w":"Addition and/or Alterations"},{"y":2025,"k":"permit","w":"Addition and/or Alterations"},{"y":2025,"k":"permit","w":"Addition and/or Alteration"},{"y":2025,"k":"permit","w":"Addition and/or Alteration"},{"y":2025,"k":"permit","w":"Roof Covering Replacement"},{"y":2026,"k":"viol","w":"L&I violation"},{"y":2026,"k":"insp","w":"Inspection failed"}],"rented":false,"licenses":[{"number":"518325","type":"Dumpster License - Private Property","status":"Active","businessName":"CHEMICAL HERITAGE FOUNDATION","legalName":"CHEMICAL HERITAGE FOUNDATION","address":"305 CHESTNUT ST","revenueCode":"3230","rentalCategory":null,"units":null,"issuedDate":"2010-10-29","latestIssueDate":"2013-07-27","expirationDate":null,"inactiveDate":null}],"licenseActivity":[{"number":"518325","type":"Dumpster License - Private Property","businessName":"CHEMICAL HERITAGE FOUNDATION","legalName":"CHEMICAL HERITAGE FOUNDATION","issuedDate":"2010-10-29","latestIssueDate":"2013-07-27","closureDate":null,"expirationDate":null,"inactiveDate":null,"status":"Active","statusLabel":"Active","active":true}],"businessLicenseSourceDate":"2026-07-25","signals":[{"kind":"record-pressure","level":"watch","title":"Records to verify together","summary":"More than one separately dated public record deserves a current-status check.","evidence":["1 open L&I violation","failed L&I inspection activity in 2026"],"caveat":"A screening signal, not a foreclosure prediction. Tax entries are historical and must be verified with Philadelphia Revenue."},{"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":["10 permit events since 2023"],"caveat":"Record activity alone does not establish that a sale or redevelopment is planned."}],"legalChecks":[{"id":"building-certifications","level":"urgent","title":"A life-safety certification is deficient","finding":"Facade Report: Safe with Repair through Jun 30, 2026; Special Hazards Certification: Certified through Oct 17, 2026; Sprinkler Certification: Deficient; Fire Alarm Certification: Certified through Mar 14, 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":"use-occupancy","level":"attention","title":"Zoning approval is not the occupancy file","finding":"Appeal #29619: OPEN · Granted; related permit 735232. Use permit #49081: 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: GM-2025-007622 (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":"violations","level":"attention","title":"1 open L&I violation","finding":"2 violation rows are retained in the City ledger.","why":"Open notices can accrue fees, block permits or license renewal, and move to court or collection. Standard initial notices generally have a 30-day appeal window; unsafe or imminently-dangerous notices have a much shorter window.","action":"Read the notice—not only the summary status—and confirm reinspection, fees, and appeal posture with L&I.","url":"https://www.phila.gov/departments/department-of-licenses-and-inspections/inspections/violation-and-order-types/"},{"id":"investigations","level":"verify","title":"Failed inspections are dated events—not the current condition","finding":"2 failed, 1 passed, and 0 CLOSED investigation outcomes are in the fetched history; the latest dated visit was FAILED on Jul 7, 2026.","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":"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/"},{"id":"commercial-trash","level":"verify","title":"A separate Commercial Trash account may apply","finding":"OPA classifies the parcel as commercial. 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/"}]}