Is 9 4th Pl rent stabilized?
9 4th Pl is a registered NYC rent-stabilized building in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn (11231). It has about 8 apartments, built in 1920.
Also written as 9 4th Place — or 9 4th Pl, 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. Its 1920 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 4 open violations here, about 0.5 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 21 violations on record at the address, 6 are class C — HPD's immediately hazardous grade. Tenants have filed 20 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP | 11231 |
| Year built | 1920 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3003700052 |
Owner & management
| Owner | GREGORY O'CONNELL 175 VAN DYKE ST #322A · BKLYN, NY 11231 |
| Managing agent | O'C CONSTRUCTION GROUP INC |
Building conditions
| HPD violations | 4 open / 21 total · 1 in last 12 mo |
| HPD complaints | 0 open / 20 total |
| HPD registration last filed | November 5, 2025 |
Full building report — $9
Other rent-stabilized buildings in Carroll Gardens-Cobble Hill-Gowanus-Red Hook
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