Is 693 Union St rent stabilized?
693 Union St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 8 apartments, built in 1920.
Also written as 693 Union Street — or 693 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. Its 1920 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 8 apartments — below the one for every 4 apartments median for tracked buildings in the neighborhood. Tenants have filed 15 HPD complaints at the address, 2 of them in the last twelve months.
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Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1920 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009520061 |
Owner & management
| Owner | 693 UNION STREET LLC 917 8TH AVENUE · Brooklyn, NY 11215 |
| Managing agent | KOTSONIS ORGANIZATION LLC. |
Building conditions
| HPD violations | 1 open / 14 total · 2 in last 12 mo |
| HPD complaints | 0 open / 15 total |
| HPD registration last filed | October 11, 2025 |
Full building report — $9
📄 Get the full building report — $9. How this building's violation record compares citywide, who owns it and what else they own, and a pre-filled DHCR rent-history request. One-time, no account needed. The report also states plainly what the data cannot tell you. Get the report for 693 Union St →
Other rent-stabilized buildings in Park Slope
721 Union St719 Union St711 Union St225 4th Ave185 5th Ave695 Union St687 Union St186 To 188 5th Ave685 Union St683 Union St704 Sackett St677 Union St