# 1820 Cortelyou Rd, Brooklyn

What New York City's public records say about this building. Page: https://blueflo.tech/b/1820-cortelyou-road-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

30 open immediately hazardous (class C) HPD violations about pests and fire safety and heat or hot water and walls, floors and stairs and doors and windows (Housing Maintenance Code Violations, as of 2026-10-23)

## The building

- **Year built:** 1928 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 6 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 42 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- 30 open immediately hazardous (class C) HPD violations about pests and fire safety and heat or hot water and walls, floors and stairs and doors and windows
- 1 hazardous (class 1) building code violation from 2025 is still open
- 18 heat or hot water complaints filed with the city last winter
- Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
- 106 open HPD violations about building conditions

## Also on record

- On the state's list of buildings with rent-stabilized apartments (2024 registrations)
- City stormwater map shows deep and contiguous flooding at this building in the Extreme storm, 2080 sea levels scenario

## 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 Nov 2025 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-22)
- Outside FEMA's 1% annual-chance flood zone (FEMA National Flood Hazard Layer, as of 2026-10-23)
- Elevator periodic inspection filed within the last year (DOB NOW Elevator Safety Compliance, as of 2026-10-22)

## Building systems

- **Boiler inspection filings:** Latest accepted inspection Nov 2025, defects reported: no (DOB NOW: Safety Boiler, as of 2026-10-22)
- **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-22)
- **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 2026-10-23)
- **Stormwater flooding:** Extreme storm, 2080 sea levels: Deep and contiguous flooding (1 ft+); Moderate storm, 2050 sea levels: Nuisance flooding (4 in. to 1 ft); Moderate storm, today's sea levels: Nuisance flooding (4 in. to 1 ft); 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:** 110 open: 106 about building conditions — walls, floors and stairs (31), leaks (19), pests (15), doors and windows (12); 30 immediately hazardous (class C), 4 about paperwork or notices. Also 3 older records from 2005–2015 never closed. 25 further violations from 2025–2026 were closed. 745 violations on record in all, 1999–2026 — the 286 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-23)
- **DOB violations:** 12 open: 4 about building conditions, 3 about filings or paperwork, 5 older than 10 years (DOB Violations, as of 2026-10-22)
- **Heat and hot water complaints:** 18 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-23)
- **Resident complaints to the city:** 20 heat or hot water, 13 leaks, 11 electrical, 11 plumbing, 10 general repairs, 10 paint or plaster, 8 doors or windows, 4 floors or stairs, 3 mold, 2 elevators, 2 pests, 2 safety, 1 appliances (Housing Maintenance Code Complaints and Problems, as of 2026-10-23)

## More systems

- **Rent stabilization:** On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations) (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30)
- **Heat source:** Boiler burning natural gas (Rockmills MP-90), registration current since Feb 2025 (Clean Air Tracking System (boiler registrations), as of 2026-10-23)
- **Boiler work permits:** No boiler work permits on record (DOB Permit Issuance (BIS), as of 2026-10-23)
- **Elevators:** 1 active elevator; latest periodic inspection Jul 2026 (DOB NOW Elevator Safety Compliance, as of 2026-10-22)
- **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-22)
- **Energy:** ENERGY STAR score 35 (2024 report) (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 2026-10-22)
- **Sales:** Last sold Mar 2026 for $3,453,382 (NYC Citywide Annualized Calendar Sales, as of 2026-06-09)
- **Sidewalk shed and scaffolding:** No sidewalk shed permits on record (DOB NOW: Build – Approved Permits, as of 2026-10-22)
- **Landmark status:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

22 of 42 apartments named in a city record:

- Apt 1A: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/1a
- Apt 1B: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/1b
- Apt 1G: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/1g
- Apt 2C: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/2c
- Apt 2D: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/2d
- Apt 2F: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/2f
- Apt 2G: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/2g
- Apt 3D: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/3d
- Apt 3E: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/3e
- Apt 3F: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/3f
- Apt 4A: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/4a
- Apt 4B: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/4b
- Apt 4F: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/4f
- Apt 5A: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/5a
- Apt 5D: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/5d
- Apt 5E: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/5e
- Apt 5G: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/5g
- Apt 6A: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/6a
- Apt 6D: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/6d
- Apt 6E: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/6e
- Apt 6F: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/6f
- Apt 6G: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/unit/6g

## Registered with the city

- Nieuw Amsterdam Property Management (Agent, Registration Contacts)
- FLGSP 1820 Cortelyou Rd LLC (CorporateOwner, Registration Contacts)
- FLGSP 1820 CORTELYOU RD LLC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/1820-cortelyou-road-brooklyn/records
- The same card as JSON: https://blueflo.tech/v1/buildings/1820-cortelyou-road-brooklyn
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=1820-cortelyou-road-brooklyn
- How to use this data: https://blueflo.tech/llms.txt