Is 521 W 186th St rent stabilized?
521 W 186th St is a registered NYC rent-stabilized building in Washington Heights (North), Manhattan (10033). It has about 38 apartments, built in 1900.
Also written as 521 West 186th Street — or 521 W 186th St, Manhattan, NY 10033.
How this building compares
With about 38 apartments it sits near the middle of the 562 rent-stabilized buildings this site tracks in Washington Heights (North), where the median building has 41. It went up in 1900, 22 years before the 1922 median for stabilized buildings tracked in the neighborhood. HPD lists 31 open violations here, about 0.8 per apartment — above the 0.6 per apartment median for tracked buildings in the neighborhood. Of the 684 violations on record at the address, 218 are class C — HPD's immediately hazardous grade, and 12 of them are still open. HPD issued 41 new violations at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Washington Heights (North) |
| ZIP | 10033 |
| Year built | 1900 |
| Apartments | 38 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 1021560066 |
Owner & management
| Owner | 421 AUDUBON PARTNERS LLC 825 8TH AVENUE #18N · New York, NY 10019 |
| Managing agent | 421 AUDUBON PARTNERS LLC |
Building conditions
| HPD violations | 31 open / 684 total · 41 in last 12 mo |
| HPD complaints | 10 open / 1549 total |
| HPD registration last filed | September 29, 2025 |
Full building report — $9
Frequently asked questions
Is 521 W 186th St rent stabilized?
521 W 186th St in Washington Heights (North), Manhattan is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING B. 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 521 W 186th St?
521 W 186th St (BBL 1021560066) has about 38 residential apartments and was built in 1900, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.
Other rent-stabilized buildings in Washington Heights (North)
See all in Washington Heights (North) →