Is 421 Columbia St rent stabilized?
421 Columbia St is a registered NYC rent-stabilized building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn (11231). It has about 6 apartments, built in 1931.
Also written as 421 Columbia Street — or 421 Columbia St, Brooklyn, NY 11231.
How this building compares
With about 6 apartments it is smaller than 78% of the 392 rent-stabilized buildings this site tracks in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. Its 1931 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 4 open violations here, about 0.7 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Tenants have filed 82 HPD complaints at the address, 9 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP | 11231 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3005340010 |
Owner & management
| Owner | 421 COLUMBIA STREET REALTY CORp 421 COLUMBIA STREET · BROOKLYN, NY 11231 |
| Managing agent | WILLIAM MUNKS |
Building conditions
| HPD violations | 4 open / 13 total |
| HPD complaints | 0 open / 82 total |
| HPD registration last filed | August 26, 2025 |
Full building report — $9
Frequently asked questions
Is 421 Columbia St rent stabilized?
421 Columbia St in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, 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 421 Columbia St?
421 Columbia St (BBL 3005340010) has about 6 residential apartments and was built in 1931, 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 Carroll Gardens-Cobble Hill-Gowanus-Red Hook
See all in Carroll Gardens-Cobble Hill-Gowanus-Red Hook →