Is 306 21st St rent stabilized?
306 21st St is a registered NYC rent-stabilized building in Sunset Park (West), Brooklyn (11215). It has about 4 apartments, built in 2005.
Also written as 306 21st Street — or 306 21st St, Brooklyn, NY 11215.
How this building compares
With about 4 apartments it is smaller than 96% of the 532 rent-stabilized buildings this site tracks in Sunset Park (West). It went up in 2005, 81 years after the 1924 median for stabilized buildings tracked in the neighborhood. HPD lists 6 open violations here, about 1.5 per apartment — above the 0.6 per apartment median for tracked buildings in the neighborhood. HPD issued 1 new violation at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Sunset Park (West) |
| ZIP | 11215 |
| Year built | 2005 |
| Apartments | 4 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, 421-A (1-15) |
| BBL | 3008980111 |
Owner & management
| Owner | 306 21ST STREET, LLC 1345 81ST STREET · Brooklyn, NY 11228 |
| Managing agent | SALVATORE GARZILLO |
Building conditions
| HPD violations | 6 open / 17 total · 1 in last 12 mo |
| HPD registration last filed | February 13, 2026 |
Full building report — $9
Frequently asked questions
Is 306 21st St rent stabilized?
306 21st St in Sunset Park (West), Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization codes are MULTIPLE DWELLING A and 421-A (1-15). 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 306 21st St?
306 21st St (BBL 3008980111) has about 4 residential apartments and was built in 2005, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.
Other rent-stabilized buildings in Sunset Park (West)
See all in Sunset Park (West) →