Is 170 Union St rent stabilized?
170 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 170 Union Street — or 170 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 23 open violations here, about 2.9 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 31 violations on record at the address, 5 are class C — HPD's immediately hazardous grade. Tenants have filed 45 HPD complaints at the address, 10 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 | 3003430013 |
Owner & management
| Owner | NICHOLAS TRIBUZIO 169 UNION STREET · Brooklyn, NY 11231 |
| Managing agent | NICHOLAS TRIBUZIO |
Building conditions
| HPD violations | 23 open / 31 total · 10 in last 12 mo |
| HPD complaints | 0 open / 45 total |
| HPD registration last filed | August 31, 2025 |
Full building report — $9
Frequently asked questions
Is 170 Union St rent stabilized?
170 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. 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 170 Union St?
170 Union St (BBL 3003430013) 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, and the DHCR files this site is built on register the building rather than its individual apartments.
Other rent-stabilized buildings in Carroll Gardens-Cobble Hill-Gowanus-Red Hook
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