Is 307 To 309 12th St rent stabilized?
307 To 309 12th St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 25 apartments, built in 1912.
Also written as 307 To 309 12th Street — or 307 To 309 12th St, Brooklyn, NY 11215.
How this building compares
With about 25 apartments it is larger than 90% of the 623 rent-stabilized buildings this site tracks in Park Slope. Its 1912 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 144 open violations here, about 5.8 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 606 violations on record at the address, 104 are class C — HPD's immediately hazardous grade. Tenants have filed 758 HPD complaints at the address, 131 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1912 |
| Apartments | 25 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3010230069 |
Owner & management
| Owner | 307 12 ST LLC 222 LENOX ROAD #LA · BROOKLYN, NY 11226 |
| Managing agent | MARC BARRON |
Building conditions
| HPD violations | 144 open / 606 total · 280 in last 12 mo |
| HPD complaints | 11 open / 758 total |
| HPD registration last filed | August 5, 2025 |
Full building report — $9
Frequently asked questions
Is 307 To 309 12th St rent stabilized?
307 To 309 12th St in Park Slope, 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 307 To 309 12th St?
307 To 309 12th St (BBL 3010230069) has about 25 residential apartments and was built in 1912, 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.