# 452 W 23 St, Manhattan

What New York City's public records say about this building. Page: https://blueflo.tech/b/452-west-23-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

City records list the water service line as lead (Lead Service Line Location Coordinates, as of 2026-01-30)

## The building

- **Year built:** 1856 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 4 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 9 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- City records list the water service line as lead
- 6 open immediately hazardous (class C) HPD violations about pests and leaks
- 1 hazardous (class 1) building code violation from 2025 is still open
- Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
- 28 open HPD violations about building conditions

## Also on record

- 10 flood insurance claims in this census tract since 1978, 1 of them from 2012
- City stormwater map shows nuisance flooding at this building in the Extreme storm, 2080 sea levels scenario
- In the Chelsea Historic District Extension: exterior changes need Landmarks Commission approval

## Clean in the records

- Boiler inspection filed Aug 2026 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-21)
- Outside FEMA's 1% annual-chance flood zone (FEMA National Flood Hazard Layer, as of 2026-10-21)

## Building systems

- **Boiler inspection filings:** Latest accepted inspection Aug 2026, defects reported: no (DOB NOW: Safety Boiler, as of 2026-10-21)
- **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-21)
- **Water service line:** Lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30)
- **FEMA flood zone:** Outside FEMA's 1% annual-chance flood zone: X (0.2% annual chance) (FEMA National Flood Hazard Layer, as of 2026-10-21)
- **Stormwater flooding:** Extreme storm, 2080 sea levels: Nuisance flooding (4 in. to 1 ft); 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:** 28 open: 28 about building conditions — doors and windows (10), smoke or CO detectors (6), pests (5), walls, floors and stairs (4); 6 immediately hazardous (class C). 25 further violations from 2025–2026 were closed. 138 violations on record in all, 1999–2026 — the 89 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-21)
- **DOB violations:** 4 open: 3 about building conditions, 1 about filings or paperwork (DOB Violations, as of 2026-10-21)
- **Heat and hot water complaints:** 1 heat or hot water complaint (Housing Maintenance Code Complaints and Problems, as of 2026-10-21)
- **Resident complaints to the city:** 64 general repairs, 61 doors or windows, 42 safety, 21 unsanitary conditions, 14 electrical, 9 heat or hot water, 9 pests, 9 plumbing, 6 paint or plaster, 3 floors or stairs, 1 appliances, 1 leaks, 1 mold, 1 outside the building (Housing Maintenance Code Complaints and Problems, as of 2026-10-21)

## More systems

- **Rent stabilization:** Not on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30)
- **Heat source:** Boiler burning No. 2 oil (Weil-Mclain 580), registration current since Dec 2025 (Clean Air Tracking System (boiler registrations), as of 2026-10-21)
- **Boiler work permits:** Latest boiler work permit 2002 (DOB Permit Issuance (BIS), as of 2026-10-20)
- **Elevators:** No elevators registered to this building (DOB NOW Elevator Safety Compliance, as of 2026-10-21)
- **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-21)
- **Energy:** Not required: energy reporting applies to buildings over 25,000 sq ft (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25)

## Permits and work

- **Permit history:** 4 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-21)
- **Sales:** No recorded sale since 2016 (NYC Citywide Annualized Calendar Sales, as of 2026-06-09)
- **Sidewalk shed and scaffolding:** No active shed permit; permits since Mar 2024, last expired Dec 2024 (DOB NOW: Build – Approved Permits, as of 2026-10-21)
- **Landmark status:** In the Chelsea Historic District Extension (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

9 of 9 apartments named in a city record:

- Apt 1A: https://blueflo.tech/b/452-west-23-street-manhattan/unit/1a
- Apt 1B: https://blueflo.tech/b/452-west-23-street-manhattan/unit/1b
- Apt 2A: https://blueflo.tech/b/452-west-23-street-manhattan/unit/2a
- Apt 2B: https://blueflo.tech/b/452-west-23-street-manhattan/unit/2b
- Apt 3A: https://blueflo.tech/b/452-west-23-street-manhattan/unit/3a
- Apt 3B: https://blueflo.tech/b/452-west-23-street-manhattan/unit/3b
- Apt 4A: https://blueflo.tech/b/452-west-23-street-manhattan/unit/4a
- Apt 4B: https://blueflo.tech/b/452-west-23-street-manhattan/unit/4b
- Apt NE: https://blueflo.tech/b/452-west-23-street-manhattan/unit/ne

## Registered with the city

- 452 WEST 23RD OWNERS INC (Agent, Registration Contacts)
- 452 WEST 23 OWNERS INC (CorporateOwner, Registration Contacts)
- 452 WEST 23RD STREET OWNER CORP (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/452-west-23-street-manhattan/records
- The same card as JSON: https://blueflo.tech/v1/buildings/452-west-23-street-manhattan
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=452-west-23-street-manhattan
- How to use this data: https://blueflo.tech/llms.txt