# 311 W 21 St, Manhattan

What New York City's public records say about this building. Page: https://blueflo.tech/b/311-west-21-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

2 open immediately hazardous (class C) HPD violations about fire safety and pests (Housing Maintenance Code Violations, as of 2026-10-19)

## The building

- **Year built:** 1900 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 5 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 15 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- 2 open immediately hazardous (class C) HPD violations about fire safety and pests
- City records list the water service line's material as unknown (lead not ruled out)
- 5 open HPD violations about building conditions

## Also on record

- 22 flood insurance claims in this census tract since 1978, 11 of them from 2012

## Clean in the records

- Boiler inspection filed Feb 2026 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-17)
- 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 Feb 2026, defects reported: no (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:** 5 open: 5 about building conditions — fire safety (2), pests (2), doors and windows (1); 2 immediately hazardous (class C). 1 further violation from 2026 was closed. 117 violations on record in all, 1978–2026 — the 6 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19)
- **DOB violations:** 0 open (DOB Violations, as of 2026-10-18)
- **Heat and hot water complaints:** 2 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)
- **Resident complaints to the city:** 2 heat or hot water, 1 doors or windows (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); listed for this tax lot (1 addresses), not under this building's address (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30)
- **Heat source:** Boiler burning No. 2 oil (H.B. Smith 19HE-7), registration current since Feb 2024 (Clean Air Tracking System (boiler registrations), as of 2026-10-19)
- **Boiler work permits:** Latest boiler work permit 2018 (3 on record) (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:** 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:** 11 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-17)
- **Sidewalk shed and scaffolding:** No active shed permit; permits since Dec 2020, last expired Dec 2021 (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

4 of 15 apartments named in a city record:

- Apt 2E: https://blueflo.tech/b/311-west-21-street-manhattan/unit/2e
- Apt 4: https://blueflo.tech/b/311-west-21-street-manhattan/unit/4
- Apt 4R: https://blueflo.tech/b/311-west-21-street-manhattan/unit/4r
- Apt 5E: https://blueflo.tech/b/311-west-21-street-manhattan/unit/5e

## Registered with the city

- NEW YORK CITY MANAGEMENT (Agent, Registration Contacts)
- 311 WEST 21 LLC (CorporateOwner, Registration Contacts)
- 311 W 21 LLC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/311-west-21-street-manhattan/records
- The same card as JSON: https://blueflo.tech/v1/buildings/311-west-21-street-manhattan
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=311-west-21-street-manhattan
- How to use this data: https://blueflo.tech/llms.txt
