# 501 Cathedral Pkwy, Manhattan

What New York City's public records say about this building. Page: https://blueflo.tech/b/501-cathedral-pkwy-manhattan

> These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.

Also known as 1020 Amsterdam Ave, 1022 Amsterdam Ave, 1024 Amsterdam Ave: one building, several doors, and this card covers all of them.

## 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:** 1910 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 10 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 65 (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
- 2 open major (class 2) building code violations from 2022–2024
- 13 open HPD violations about building conditions

## Also on record

- In the Morningside Heights Historic District: exterior changes need Landmarks Commission approval

## Clean in the records

- Water service line on record as non-lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30)
- Boiler inspection filed Mar 2026 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-17)
- Facade filed as safe (Sep 2023) (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-18)
- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding (FEMA National Flood Hazard Layer, as of 2026-10-19)
- Elevator periodic inspection filed within the last year (DOB NOW Elevator Safety Compliance, as of 2026-10-18)
- No heat or hot water complaints filed last winter (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)

## Building systems

- **Boiler inspection filings:** Latest accepted inspection Mar 2026, defects reported: no (DOB NOW: Safety Boiler, as of 2026-10-17)
- **Facade rating:** Safe (cycle 9, filed Sep 2023) (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:** 13 open: 13 about building conditions — other conditions (3), walls, floors and stairs (3), plumbing (2), fire safety (1); 2 immediately hazardous (class C). Also 2 older records from 2013–2014 never closed. 7 further violations from 2024 were closed. 183 violations on record in all, 2012–2026 — the 22 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19)
- **DOB violations:** 19 open: 8 about building conditions, 9 about filings or paperwork, 2 older than 10 years (DOB Violations, as of 2026-10-18)
- **Heat and hot water complaints:** 0 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-19)
- **Resident complaints to the city:** 5 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 (Easco SM4-175-S015), registration expired since Aug 2024 (Clean Air Tracking System (boiler registrations), as of 2026-10-19)
- **Boiler work permits:** Latest boiler work permit 2015 (2 on record) (DOB Permit Issuance (BIS), as of 2026-10-19)
- **Elevators:** 2 active elevators; latest periodic inspection Sep 2026 (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 59 (2024 report) (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25)

## Permits and work

- **Permit history:** 49 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-17)
- **Sidewalk shed and scaffolding:** No active shed permit; permits since Oct 2020, last expired Jul 2022 (DOB NOW: Build – Approved Permits, as of 2026-10-17)
- **Landmark status:** In the Morningside Heights Historic District (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

6 of 65 apartments named in a city record:

- Apt 1C: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/1c
- Apt 2B: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/2b
- Apt 2D: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/2d
- Apt 4B: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/4b
- Apt 4D: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/4d
- Apt 9D: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/unit/9d

## Registered with the city

- STELLAR MANAGEMENT (Agent, Registration Contacts)
- STELLAR WEST 110 LLC (CorporateOwner, Registration Contacts)
- STELLAR WEST 110 LLC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/501-cathedral-pkwy-manhattan/records
- The same card as JSON: https://blueflo.tech/v1/buildings/501-cathedral-pkwy-manhattan
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=501-cathedral-pkwy-manhattan
- How to use this data: https://blueflo.tech/llms.txt