Is 873 Union St rent stabilized?
873 Union St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 8 apartments, built in 1885.
Also written as 873 Union Street — or 873 Union St, Brooklyn, NY 11215.
How this building compares
It went up in 1885, 35 years before the 1920 median for stabilized buildings tracked in Park Slope. HPD lists 2 open violations here, about one for every 4 apartments — matching the median for tracked buildings in the neighborhood. Of the 8 violations on record at the address, 1 is class C — HPD's immediately hazardous grade, and it is still open. Tenants have filed 6 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1885 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3010630067 |
Owner & management
| Owner | 873 UNION STREET LTD PART 917 8TH AVENUE · Brooklyn, NY 11215 |
| Managing agent | KOTSONIS ORGANIZATION LLC. |
Building conditions
| HPD violations | 2 open / 8 total |
| HPD complaints | 0 open / 6 total |
| HPD registration last filed | October 11, 2025 |
Full building report — $9
Frequently asked questions
Is 873 Union St rent stabilized?
873 Union St in Park Slope, 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 873 Union St?
873 Union St (BBL 3010630067) has about 8 residential apartments and was built in 1885, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.