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
With about 6 apartments it sits near the middle of the 903 rent-stabilized buildings this site tracks in Greenpoint, where the median building has 6. Its 1930 construction date sits close to the 1930 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 366 such buildings among the 904 this site tracks in the neighborhood. Of the 17 violations on record at the address, 11 are class C — HPD's immediately hazardous grade. 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 |