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
With about 8 apartments it sits near the middle of the 392 rent-stabilized buildings this site tracks in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, where the median building has 8. It went up in 1900, 20 years before the 1920 median for stabilized buildings tracked in the neighborhood. 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. 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
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