Is 734 Humboldt St rent stabilized?
734 Humboldt St is a registered NYC rent-stabilized building in Greenpoint, Brooklyn (11222). It has about 6 apartments, built in 1931.
Also written as 734 Humboldt Street — or 734 Humboldt St, Brooklyn, NY 11222.
How this building compares
Its 1931 construction date sits close to the 1930 median for stabilized buildings tracked in Greenpoint. HPD lists no open violations at this address — one of 370 such buildings among the 904 this site tracks in the neighborhood. HPD issued 1 new violation at the address in the last twelve months. Tenants have filed 2 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Greenpoint |
| ZIP | 11222 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3026540063 |
Owner & management
| Owner | Maria Lenartowicz 734 Humboldt St #1R · Brooklyn, NY 11222 |
| Managing agent | Ryszard Lenartowicz |
Building conditions
| HPD violations | 0 open / 9 total · 1 in last 12 mo |
| HPD complaints | 0 open / 2 total |
| HPD registration last filed | August 7, 2025 |
Full building report — $9
Frequently asked questions
Is 734 Humboldt St rent stabilized?
734 Humboldt 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 734 Humboldt St?
734 Humboldt St (BBL 3026540063) has about 6 residential apartments and was built in 1931, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.