Is 523 Willoughby Ave rent stabilized?
523 Willoughby Ave is a registered NYC rent-stabilized building in Bed-Stuy (West), Brooklyn (11206). It has about 8 apartments, built in 1910.
Also written as 523 Willoughby Avenue — or 523 Willoughby Ave, Brooklyn, NY 11206.
How this building compares
It went up in 1910, 21 years before the 1931 median for stabilized buildings tracked in Bed-Stuy (West). HPD lists 7 open violations here, about 0.9 per apartment — above the 0.7 per apartment median for tracked buildings in the neighborhood. Of the 47 violations on record at the address, 5 are class C — HPD's immediately hazardous grade, and none of them are still open. HPD issued 8 new violations at the address in the last twelve months. Tenants have filed 118 HPD complaints at the address, 7 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bed-Stuy (West) |
| ZIP | 11206 |
| Year built | 1910 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3017590072 |
Owner & management
| Owner | PARK AVENUE SUITES 523 LLC 35 Spencer st #111 · Brooklyn, NY 11205 |
| Managing agent | GUARDEUM MANAGEMENT LLC |
Building conditions
| HPD violations | 7 open / 47 total · 8 in last 12 mo |
| HPD complaints | 0 open / 118 total |
| HPD registration last filed | October 9, 2025 |
Full building report — $9
Frequently asked questions
Is 523 Willoughby Ave rent stabilized?
523 Willoughby Ave in Bed-Stuy (West), 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 Willoughby Ave?
523 Willoughby Ave (BBL 3017590072) has about 8 residential apartments and was built in 1910, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.