# 809 St Nicholas Ave, Manhattan

What New York City's public records say about this building. Page: https://blueflo.tech/b/809-street-nicholas-avenue-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

1 open immediately hazardous (class C) HPD violation about mold (Housing Maintenance Code Violations, as of 2026-10-19)

## The building

- **Year built:** 1898 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 5 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 10 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- 1 open immediately hazardous (class C) HPD violation about mold
- 6 open HPD violations about building conditions

## Also on record

- In the Hamilton Heights / Sugar Hill Northwest Historic District: exterior changes need Landmarks Commission approval

## Clean in the records

- Water service line on record as non-lead (field inspection) (Lead Service Line Location Coordinates, as of 2026-01-30)
- 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:** Non-Lead (field inspection) (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:** 6 open: 6 about building conditions — mold (3), other conditions (1), smoke or CO detectors (1), walls, floors and stairs (1); 1 immediately hazardous (class C). Also 4 older records from 2009–2011 never closed. 25 further violations from 2024–2026 were closed. 180 violations on record in all, 2007–2026 — the 57 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:** 1 heat or hot water complaint (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)
- **Resident complaints to the city:** 6 plumbing, 5 doors or windows, 2 general repairs, 2 leaks, 2 mold, 1 electrical, 1 heat or hot water, 1 paint or plaster, 1 pests (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 natural gas (Laars MT2H-0300), registration current since Jul 2025 (Clean Air Tracking System (boiler registrations), as of 2026-10-19)
- **Boiler work permits:** Latest boiler work permit 2012 (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:** 5 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:** In the Hamilton Heights / Sugar Hill Northwest Historic District (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

5 of 10 apartments named in a city record:

- Apt 1A: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/unit/1a
- Apt 1B: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/unit/1b
- Apt 2B: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/unit/2b
- Apt 3B: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/unit/3b
- Apt 5A: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/unit/5a

## Registered with the city

- Individual agent (name not shown) (Agent, Registration Contacts)
- CITYWIDE PRESERVATION LLC (CorporateOwner, Registration Contacts)
- ECDO CITYWIDE PRESERVATION HOUSING DEVEL OPMENT (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/809-street-nicholas-avenue-manhattan/records
- The same card as JSON: https://blueflo.tech/v1/buildings/809-street-nicholas-avenue-manhattan
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=809-street-nicholas-avenue-manhattan
- How to use this data: https://blueflo.tech/llms.txt
