Is 172 Union St rent stabilized?
172 Union St is a registered NYC rent-stabilized building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn (11231). It has about 8 apartments, built in 1900.
Also written as 172 Union Street — or 172 Union St, Brooklyn, NY 11231.
How this building compares
It went up in 1900, 20 years before the 1920 median for stabilized buildings tracked in Carroll Gardens-Cobble Hill-Gowanus-Red Hook. HPD lists 6 open violations here, about 0.8 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 55 violations on record at the address, 9 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 44 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP | 11231 |
| Year built | 1900 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3003430015 |
Owner & management
| Owner | 172 Union Street LLC 2654 National Drive · Brooklyn, NY 11234 |
| Managing agent | Gary Cucuzza |
Building conditions
| HPD violations | 6 open / 55 total |
| HPD complaints | 0 open / 44 total |
| HPD registration last filed | December 10, 2025 |
Full building report — $9
Frequently asked questions
Is 172 Union St rent stabilized?
172 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 172 Union St?
172 Union St (BBL 3003430015) has about 8 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 Carroll Gardens-Cobble Hill-Gowanus-Red Hook
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