Is 669 E 21st St rent stabilized?
669 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 8 apartments, built in 2005.
Also written as 669 East 21st Street — or 669 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 8 apartments it is smaller than 90% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 2005, 74 years after the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 3 open violations here, about one for every 3 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 31 violations on record at the address, 14 are class C — HPD's immediately hazardous grade, and 2 of them are still open. HPD issued 17 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 2005 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, 421-A (1-15) |
| BBL | 3052210081 |
Owner & management
| Owner | 669 EAST 21 STREET LLC 580 8th Avenue #14 · New York, NY 10018 |
| Managing agent | Cobble Hill Management |
Building conditions
| HPD violations | 3 open / 31 total · 17 in last 12 mo |
| HPD complaints | 4 open / 86 total |
| HPD registration last filed | July 16, 2025 |
Full building report — $9
Frequently asked questions
Is 669 E 21st St rent stabilized?
669 E 21st St in Flatbush, Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization codes are MULTIPLE DWELLING A and 421-A (1-15). 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 669 E 21st St?
669 E 21st St (BBL 3052210081) has about 8 residential apartments and was built in 2005, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.