Is 2123 Ocean Ave rent stabilized?
2123 Ocean Ave is a registered NYC rent-stabilized building in Madison, Brooklyn (11229). It has about 23 apartments, built in 1925.
Also written as 2123 Ocean Avenue — or 2123 Ocean Ave, Brooklyn, NY 11229.
How this building compares
With about 23 apartments it is smaller than 76% of the 133 rent-stabilized buildings this site tracks in Madison. Its 1925 construction date sits close to the 1933 median for stabilized buildings tracked in the neighborhood. HPD lists 21 open violations here, about 0.9 per apartment — above the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 43 violations on record at the address, 13 are class C — HPD's immediately hazardous grade, and 4 of them are still open. HPD issued 8 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Madison |
| ZIP | 11229 |
| Year built | 1925 |
| Apartments | 23 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3067830065 |
Owner & management
| Owner | COSED REALTY CORP 7113 AVE W · BKLYN, NY 11234 |
| Managing agent | Cosed Realty Corp |
Building conditions
| HPD violations | 21 open / 43 total · 8 in last 12 mo |
| HPD complaints | 0 open / 59 total |
| HPD registration last filed | October 22, 2025 |
Full building report — $9
Frequently asked questions
Is 2123 Ocean Ave rent stabilized?
2123 Ocean Ave in Madison, 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 2123 Ocean Ave?
2123 Ocean Ave (BBL 3067830065) has about 23 residential apartments and was built in 1925, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.