# 621 Willoughby Ave, Brooklyn

What New York City's public records say about this building. Page: https://blueflo.tech/b/621-willoughby-avenue-brooklyn

> 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:** 1901 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 3 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 3 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- City records list the water service line as lead
- 171 open immediately hazardous (class C) HPD violations about electrical and leaks and walls, floors and stairs and pests and heat or hot water and fire safety and doors and windows and mold and rubbish and cleanliness and plumbing
- 6 hazardous (class 1) building code violations from 2019–2026 are still open
- 28 heat or hot water complaints filed with the city last winter
- 6 open major (class 2) building code violations from 2025–2026
- 327 open HPD violations about building conditions

## Clean in the records

- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding (FEMA National Flood Hazard Layer, as of 2026-10-20)

## Building systems

- **Boiler inspection filings:** Not required: residential buildings with 6 or fewer units are exempt from annual filings (DOB NOW: Safety Boiler, as of 2026-10-19)
- **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-19)
- **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 (FEMA National Flood Hazard Layer, as of 2026-10-20)
- **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:** Above grade (PLUTO (tax lot data), as of 2026-08-24)

## Violations and complaints

- **HPD violations:** 346 open: 327 about building conditions — electrical (69), walls, floors and stairs (65), leaks (33), smoke or CO detectors (28); 171 immediately hazardous (class C), 19 about paperwork or notices. Also 7 older records from 2004–2015 never closed. 22 further violations from 2024–2025 were closed. 506 violations on record in all, 2004–2026 — the 375 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19)
- **DOB violations:** 12 open: 12 about building conditions (DOB Violations, as of 2026-10-19)
- **Heat and hot water complaints:** 28 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)
- **Resident complaints to the city:** 30 heat or hot water, 11 electrical, 10 safety, 7 pests, 5 appliances, 5 leaks, 5 mold, 4 plumbing, 2 doors or windows, 2 floors or stairs, 2 paint or plaster, 2 unsanitary conditions, 1 general repairs (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)

## More systems

- **Rent stabilization:** Not on the state's list. Rent stabilization generally applies to buildings with 6 or more apartments (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30)
- **Heat source:** No boiler registration or district steam on record (Clean Air Tracking System (boiler registrations), as of 2026-10-20)
- **Boiler work permits:** No boiler work permits 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 2026-10-19)
- **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-19)
- **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 2026-10-19)
- **Sidewalk shed and scaffolding:** No sidewalk shed permits on record (DOB NOW: Build – Approved Permits, as of 2026-10-19)
- **Landmark status:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

4 of 3 apartments named in a city record:

- Apt 1: https://blueflo.tech/b/621-willoughby-avenue-brooklyn/unit/1
- Apt 2: https://blueflo.tech/b/621-willoughby-avenue-brooklyn/unit/2
- Apt 3: https://blueflo.tech/b/621-willoughby-avenue-brooklyn/unit/3
- Apt BSMT: https://blueflo.tech/b/621-willoughby-avenue-brooklyn/unit/bsmt

## Registered with the city

- Individual owner (name not shown) (IndividualOwner, Registration Contacts)
- Individual owner (name not shown) (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/621-willoughby-avenue-brooklyn/records
- The same card as JSON: https://blueflo.tech/v1/buildings/621-willoughby-avenue-brooklyn
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=621-willoughby-avenue-brooklyn
- How to use this data: https://blueflo.tech/llms.txt