Is 505 Union Ave rent stabilized?
505 Union Ave is a registered NYC rent-stabilized building in Williamsburg, Brooklyn (11211). It has about 23 apartments, built in 1930.
Also written as 505 Union Avenue — or 505 Union Ave, Brooklyn, NY 11211.
How this building compares
With about 23 apartments it is larger than 69% of the 620 rent-stabilized buildings this site tracks in Williamsburg. It went up in 1930, 15 years after the 1915 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 23 apartments — below the one for every 10 apartments median for tracked buildings in the neighborhood. Tenants have filed 2 HPD complaints at the address, 2 of them in the last twelve months.
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Building details
| Borough | Brooklyn |
| Neighborhood | Williamsburg |
| ZIP | 11211 |
| Year built | 1930 |
| Apartments | 23 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, GARDEN COMPLEX, 421-A (16) |
| BBL | 3023150021 |
Owner & management
| Owner | 505 UNION AVE LLC 144 SPENCER · Brooklyn, NY 11205 |
| Managing agent | MENDY GREEN |
Building conditions
| HPD violations | 1 open / 4 total · 1 in last 12 mo |
| HPD complaints | 1 open / 2 total |
| HPD registration last filed | August 22, 2025 |
Full building report — $9
📄 Get the full building report — $9. How this building's violation record compares citywide, who owns it and what else they own, and a pre-filled DHCR rent-history request. One-time, no account needed. The report also states plainly what the data cannot tell you. Get the report for 505 Union Ave →
Other rent-stabilized buildings in Williamsburg
296 N 8th St294 N 8th St43 Havemeyer St41 Havemeyer St287 N 8th St28 Havemeyer St257 N 7th St247 To 251 N 7th St525 Union Ave248 N 8th St16 Havemeyer St14 Havemeyer St