Is 1820 Cortelyou Rd rent stabilized?
1820 Cortelyou Rd is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 42 apartments, built in 1928.
Also written as 1820 Cortelyou Road — or 1820 Cortelyou Rd, Brooklyn, NY 11226.
How this building compares
With about 42 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1928 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 91 open violations here, about 2.2 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 752 violations on record at the address, 139 are class C — HPD's immediately hazardous grade, and 22 of them are still open. HPD issued 143 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1928 |
| Apartments | 42 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051610006 |
Owner & management
| Owner | FLGSP 1820 Cortelyou Rd LLC 1350 6th Avenue #1925 · New York, NY 10019 |
| Managing agent | Nieuw Amsterdam Property Management |
Building conditions
| HPD violations | 91 open / 752 total · 143 in last 12 mo |
| HPD complaints | 1 open / 1536 total |
| HPD registration last filed | April 30, 2026 |
Full building report — $9
Frequently asked questions
Is 1820 Cortelyou Rd rent stabilized?
1820 Cortelyou Rd in Flatbush, Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING A. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 1820 Cortelyou Rd?
1820 Cortelyou Rd (BBL 3051610006) has about 42 residential apartments and was built in 1928, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.