Is 898 Union St rent stabilized?
898 Union St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 8 apartments, built in 1887.
Also written as 898 Union Street — or 898 Union St, Brooklyn, NY 11215.
How this building compares
With about 8 apartments it sits near the middle of the 623 rent-stabilized buildings this site tracks in Park Slope, where the median building has 8. It went up in 1887, 33 years before the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 203 such buildings among the 624 this site tracks in the neighborhood. Of the 11 violations on record at the address, 2 are class C — HPD's immediately hazardous grade. Tenants have filed 14 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1887 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3010660020 |
Owner & management
| Owner | 898 UNION STREET REALTY LLC 917 8TH AVENUE · Brooklyn, NY 11215 |
| Managing agent | KOTSONIS ORGANIZATION LLC. |
Building conditions
| HPD violations | 0 open / 11 total · 7 in last 12 mo |
| HPD complaints | 0 open / 14 total |
| HPD registration last filed | October 11, 2025 |