Is 629 Union St rent stabilized?
629 Union St is a registered NYC rent-stabilized building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn (11215). It has about 8 apartments, built in 1931.
Also written as 629 Union Street — or 629 Union St, Brooklyn, NY 11215.
How this building compares
Its 1931 construction date sits close to the 1920 median for stabilized buildings tracked in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. HPD lists 1 open violation here, about one for every 8 apartments — below the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 330 violations on record at the address, 65 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 245 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP | 11215 |
| Year built | 1931 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3004340057 |
Owner & management
| Owner | 629 Union LLC 190 N 10TH STREET #313 · Brooklyn, NY 11211 |
| Managing agent | RIDGEWOOD REALTY GROUP |
Building conditions
| HPD violations | 1 open / 330 total |
| HPD complaints | 0 open / 245 total |
| HPD registration last filed | September 13, 2025 |
Full building report — $9
Frequently asked questions
Is 629 Union St rent stabilized?
629 Union 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 629 Union St?
629 Union St (BBL 3004340057) has about 8 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 →