Is 99 Diamond St rent stabilized?
99 Diamond St is a registered NYC rent-stabilized building in Greenpoint, Brooklyn (11222). It has about 6 apartments, built in 1930.
Also written as 99 Diamond Street — or 99 Diamond St, Brooklyn, NY 11222.
How this building compares
HPD lists no open violations at this address — one of 370 such buildings among the 904 this site tracks in Greenpoint. Of the 17 violations on record at the address, 11 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 31 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Greenpoint |
| ZIP | 11222 |
| Year built | 1930 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3026510020 |
Owner & management
| Owner | MALGORZATA WIECKOWSKA 99 DIAMOND ST #1R · BROOKLYN, NY 11222 |
| Managing agent | MALGORZATA WIECKOWSKA |
Building conditions
| HPD violations | 0 open / 17 total |
| HPD complaints | 0 open / 31 total |
| HPD registration last filed | August 24, 2025 |
Full building report — $9
Frequently asked questions
Is 99 Diamond St rent stabilized?
99 Diamond St in Greenpoint, 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 99 Diamond St?
99 Diamond St (BBL 3026510020) has about 6 residential apartments and was built in 1930, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.