# 643 W 172 St, Manhattan What New York City's public records say about this building. Page: https://blueflo.tech/b/643-west-172-street-manhattan > These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. ## In one line 7 open immediately hazardous (class C) HPD violations about gas and fire safety and heat or hot water and lead-based paint and pests (Housing Maintenance Code Violations, as of 2026-10-19) ## The building - **Year built:** 1917 (PLUTO (tax lot data), as of 2026-08-24) - **Stories:** 5 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) - **Homes:** 31 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) ## Worth knowing - 7 open immediately hazardous (class C) HPD violations about gas and fire safety and heat or hot water and lead-based paint and pests - 28 heat or hot water complaints filed with the city last winter - City records list the water service line's material as unknown (lead not ruled out) - 2 open major (class 2) building code violations from 2020–2021 - 31 open HPD violations about building conditions ## Also on record - On the state's list of buildings with rent-stabilized apartments (2024 registrations) ## Clean in the records - Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding (FEMA National Flood Hazard Layer, as of 2026-10-19) ## Building systems - **Boiler inspection filings:** Latest accepted inspection Aug 2025, defects reported: yes (DOB NOW: Safety Boiler, as of 2026-10-17) - **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-18) - **Water service line:** Unknown - Lead Status Unknown (not verified) (Lead Service Line Location Coordinates, as of 2026-01-30) - **FEMA flood zone:** Outside FEMA's 1% annual-chance flood zone: X (FEMA National Flood Hazard Layer, as of 2026-10-19) - **Stormwater flooding:** Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable) (NYC Stormwater Flood Maps, as of 2024-07-03) - **Basement:** Below grade (PLUTO (tax lot data), as of 2026-08-24) ## Violations and complaints - **HPD violations:** 31 open: 31 about building conditions — walls, floors and stairs (18), leaks (4), gas (3), electrical (1); 7 immediately hazardous (class C). 25 further violations from 2025–2026 were closed. 424 violations on record in all, 1996–2026 — the 92 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19) - **DOB violations:** 4 open: 2 about building conditions, 2 about filings or paperwork (DOB Violations, as of 2026-10-18) - **Heat and hot water complaints:** 28 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-19) - **Resident complaints to the city:** 36 heat or hot water, 12 general repairs, 11 pests, 9 floors or stairs, 9 plumbing, 8 paint or plaster, 5 mold, 4 appliances, 4 doors or windows, 2 electrical, 2 leaks (Housing Maintenance Code Complaints and Problems, as of 2026-10-19) ## More systems - **Rent stabilization:** On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations) (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30) - **Heat source:** Boiler burning No. 2 oil (Federal FST-50), registration current since Nov 2023 (Clean Air Tracking System (boiler registrations), as of 2026-10-19) - **Boiler work permits:** Latest boiler work permit 1996 (DOB Permit Issuance (BIS), as of 2026-10-19) - **Elevators:** No elevators registered to this building (DOB NOW Elevator Safety Compliance, as of 2026-10-18) - **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-18) - **Energy:** ENERGY STAR score 100 (2024 report) (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25) ## Permits and work - **Permit history:** 8 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-17) - **Sidewalk shed and scaffolding:** No active shed permit (DOB NOW: Build – Approved Permits, as of 2026-10-17) - **Landmark status:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24) ## By apartment 21 of 31 apartments named in a city record: - Apt 1: https://blueflo.tech/b/643-west-172-street-manhattan/unit/1 - Apt 1C: https://blueflo.tech/b/643-west-172-street-manhattan/unit/1c - Apt 2: https://blueflo.tech/b/643-west-172-street-manhattan/unit/2 - Apt 3: https://blueflo.tech/b/643-west-172-street-manhattan/unit/3 - Apt 4: https://blueflo.tech/b/643-west-172-street-manhattan/unit/4 - Apt 21: https://blueflo.tech/b/643-west-172-street-manhattan/unit/21 - Apt 24: https://blueflo.tech/b/643-west-172-street-manhattan/unit/24 - Apt 26: https://blueflo.tech/b/643-west-172-street-manhattan/unit/26 - Apt 31: https://blueflo.tech/b/643-west-172-street-manhattan/unit/31 - Apt 32: https://blueflo.tech/b/643-west-172-street-manhattan/unit/32 - Apt 35: https://blueflo.tech/b/643-west-172-street-manhattan/unit/35 - Apt 41: https://blueflo.tech/b/643-west-172-street-manhattan/unit/41 - Apt 42: https://blueflo.tech/b/643-west-172-street-manhattan/unit/42 - Apt 43: https://blueflo.tech/b/643-west-172-street-manhattan/unit/43 - Apt 44: https://blueflo.tech/b/643-west-172-street-manhattan/unit/44 - Apt 45: https://blueflo.tech/b/643-west-172-street-manhattan/unit/45 - Apt 51: https://blueflo.tech/b/643-west-172-street-manhattan/unit/51 - Apt 52: https://blueflo.tech/b/643-west-172-street-manhattan/unit/52 - Apt 53: https://blueflo.tech/b/643-west-172-street-manhattan/unit/53 - Apt 55: https://blueflo.tech/b/643-west-172-street-manhattan/unit/55 - Apt 56: https://blueflo.tech/b/643-west-172-street-manhattan/unit/56 ## Registered with the city - ALMA REALTY CORP (Agent, Registration Contacts) - 643 WEST 172 WH REALTY LLC. (CorporateOwner, Registration Contacts) - 643 W 172 WH REALTY LLC (TaxLotOwner, PLUTO (tax lot data)) ## More - Every record behind this card: https://blueflo.tech/b/643-west-172-street-manhattan/records - The same card as JSON: https://blueflo.tech/v1/buildings/643-west-172-street-manhattan - Ask about any building from an assistant (MCP): https://blueflo.tech/mcp - Report something wrong: https://blueflo.tech/dispute?slug=643-west-172-street-manhattan - How to use this data: https://blueflo.tech/llms.txt