Is 420 Union Ave rent stabilized?
420 Union Ave is a registered NYC rent-stabilized building in Williamsburg, Brooklyn (11211). It has about 6 apartments, built in 1930.
Also written as 420 Union Avenue — or 420 Union Ave, Brooklyn, NY 11211.
How this building compares
With about 6 apartments it is smaller than 76% 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 15 open violations here, about 2.5 per apartment — above the one for every 10 apartments median for tracked buildings in the neighborhood. Of the 20 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 12 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Williamsburg |
| ZIP | 11211 |
| Year built | 1930 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3027670007 |
Owner & management
| Owner | FABRIZIO MANGANIELLO 420 UNION AVE #3R · BROOKLYN, NY 11211 |
| Managing agent | ANTHONY FORTE |
Building conditions
| HPD violations | 15 open / 20 total |
| HPD complaints | 0 open / 12 total |
| HPD registration last filed | September 10, 2025 |