Is 306 Union Ave rent stabilized?
306 Union Ave is a registered NYC rent-stabilized building in Williamsburg, Brooklyn (11211). It has about 21 apartments, built in 1920.
Also written as 306 Union Avenue — or 306 Union Ave, Brooklyn, NY 11211.
How this building compares
With about 21 apartments it is larger than 66% of the 620 rent-stabilized buildings this site tracks in Williamsburg. Its 1920 construction date sits close to the 1915 median for stabilized buildings tracked in the neighborhood. HPD lists 9 open violations here, about one for every 2 apartments — above the one for every 10 apartments median for tracked buildings in the neighborhood. Of the 177 violations on record at the address, 51 are class C — HPD's immediately hazardous grade, and none of them are still open. HPD issued 19 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Williamsburg |
| ZIP | 11211 |
| Year built | 1920 |
| Apartments | 21 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, GARDEN COMPLEX |
| BBL | 3027910001 |
Owner & management
| Owner | BROOKLYN NEIGHBORHOOD HDFC 2 KINGSLAND AVENUE #1ST FL · Brooklyn, NY 11211 |
| Managing agent | ST NICKS ALLIANCE |
Building conditions
| HPD violations | 9 open / 177 total · 19 in last 12 mo |
| HPD complaints | 0 open / 159 total |
| HPD registration last filed | July 9, 2025 |
Full building report — $9
Frequently asked questions
Is 306 Union Ave rent stabilized?
306 Union Ave in Williamsburg, 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 GARDEN COMPLEX. 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 Union Ave?
306 Union Ave (BBL 3027910001) has about 21 residential apartments and was built in 1920, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.