Is 720 Knickerbocker Ave rent stabilized?
720 Knickerbocker Ave is a registered NYC rent-stabilized building in Bushwick (East), Brooklyn (11221). It has about 8 apartments, built in 1910.
Also written as 720 Knickerbocker Avenue — or 720 Knickerbocker Ave, Brooklyn, NY 11221.
How this building compares
With about 8 apartments it is larger than 70% of the 641 rent-stabilized buildings this site tracks in Bushwick (East). It went up in 1910, 21 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 20 open violations here, about 2.5 per apartment — above the 0.8 per apartment median for tracked buildings in the neighborhood. Of the 220 violations on record at the address, 40 are class C — HPD's immediately hazardous grade. Tenants have filed 217 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bushwick (East) |
| ZIP | 11221 |
| Year built | 1910 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, J-51 |
| BBL | 3033910031 |
Owner & management
| Owner | STONEMOUNTAIN EQUITIES LLC 185 MARCY AVE #32A · Brooklyn, NY 11211 |
| Managing agent | MARK BERKOWITZ |
Building conditions
| HPD violations | 20 open / 220 total · 2 in last 12 mo |
| HPD complaints | 0 open / 217 total |
| HPD registration last filed | July 9, 2025 |