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 125 open violations here, about 3.0 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 724 violations on record at the address, 128 are class C — HPD's immediately hazardous grade. Tenants have filed 1,532 HPD complaints at the address, 102 of them 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 | 125 open / 724 total · 120 in last 12 mo |
| HPD complaints | 0 open / 1532 total |
| HPD registration last filed | April 30, 2026 |