# 504 W 135 St, Manhattan

What New York City's public records say about this building. Page: https://blueflo.tech/b/504-west-135-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

8 open immediately hazardous (class C) HPD violations about heat or hot water and pests (Housing Maintenance Code Violations, as of 2026-10-19)

## The building

- **Year built:** 1910 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 6 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 24 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- 8 open immediately hazardous (class C) HPD violations about heat or hot water and pests
- 21 open HPD violations about building conditions

## Clean in the records

- Water service line on record as non-lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30)
- 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 Apr 2025, 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 (records) (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:** 22 open: 21 about building conditions — smoke or CO detectors (8), heat or hot water (4), pests (4), walls, floors and stairs (3); 8 immediately hazardous (class C), 1 about paperwork or notices. Also 4 older records from 2007 never closed. 2 further violations from 2025–2026 were closed. 48 violations on record in all, 2007–2026 — the 28 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19)
- **DOB violations:** 13 open: 4 about building conditions, 5 about filings or paperwork, 4 older than 10 years (DOB Violations, as of 2026-10-18)
- **Heat and hot water complaints:** 4 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)
- **Resident complaints to the city:** 4 heat or hot water (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)

## 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 (Federal Fst-50 FEDERAL FST-50), registration expired since Feb 1992 (Clean Air Tracking System (boiler registrations), as of 2026-10-19)
- **Boiler work permits:** Latest boiler work permit 1992 (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:** Open violation for not filing the periodic gas piping inspection (2025) (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:** 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

2 of 24 apartments named in a city record:

- Apt 2C: https://blueflo.tech/b/504-west-135-street-manhattan/unit/2c
- Apt 4B: https://blueflo.tech/b/504-west-135-street-manhattan/unit/4b

## Registered with the city

- WEST HARLEM GROUP ASSISTANCE, INC (Agent, Registration Contacts)
- 504 WEST 135TH STREET HOUSING DEVELOPMENT (CorporateOwner, Registration Contacts)
- 504 WEST 135TH STREET HOUSING DEVELOPMEN T (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/504-west-135-street-manhattan/records
- The same card as JSON: https://blueflo.tech/v1/buildings/504-west-135-street-manhattan
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=504-west-135-street-manhattan
- How to use this data: https://blueflo.tech/llms.txt