Is 523 Knickerbocker Ave rent stabilized?
523 Knickerbocker Ave is a registered NYC rent-stabilized building in Bushwick (East), Brooklyn (11221). It has about 8 apartments, built in 1905.
Also written as 523 Knickerbocker Avenue — or 523 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 1905, 26 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 2 open violations here, about one for every 4 apartments — below the 0.8 per apartment median for tracked buildings in the neighborhood. Of the 137 violations on record at the address, 27 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 169 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bushwick (East) |
| ZIP | 11221 |
| Year built | 1905 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3033260008 |
Owner & management
| Owner | 523 ASSETS LLC 95 DELANCEY ST #206 · New York, NY 10002 |
| Managing agent | 523 ASSETS LLC |
Building conditions
| HPD violations | 2 open / 137 total |
| HPD complaints | 0 open / 169 total |
| HPD registration last filed | September 5, 2025 |
Full building report — $9
Frequently asked questions
Is 523 Knickerbocker Ave rent stabilized?
523 Knickerbocker Ave in Bushwick (East), 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 523 Knickerbocker Ave?
523 Knickerbocker Ave (BBL 3033260008) has about 8 residential apartments and was built in 1905, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.