Is 525 Union Ave rent stabilized?
525 Union Ave is a registered NYC rent-stabilized building in Williamsburg, Brooklyn (11211). It has about 43 apartments, built in 2007.
Also written as 525 Union Avenue — or 525 Union Ave, Brooklyn, NY 11211.
How this building compares
With about 43 apartments it is larger than 88% of the 620 rent-stabilized buildings this site tracks in Williamsburg. It went up in 2007, 92 years after the 1915 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 258 such buildings among the 624 this site tracks in the neighborhood. Of the 44 violations on record at the address, 7 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 44 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Williamsburg |
| ZIP | 11211 |
| Year built | 2007 |
| Apartments | 43 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3023150014 |
Owner & management
| Owner | 525-535 UNION PARTNERS LLC 6 EAST 45TH STREET #12TH F · New York, NY 10017 |
| Managing agent | BRIGHTON MANAGEMENT |
Building conditions
| HPD violations | 0 open / 44 total |
| HPD complaints | 0 open / 44 total |
| HPD registration last filed | October 9, 2025 |
Full building report — $9
Frequently asked questions
Is 525 Union Ave rent stabilized?
525 Union Ave in Williamsburg, 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 525 Union Ave?
525 Union Ave (BBL 3023150014) has about 43 residential apartments and was built in 2007, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.