Is 305 Martense St rent stabilized?
305 Martense St is a registered NYC rent-stabilized building in East Flatbush-Erasmus, Brooklyn (11226). It has about 28 apartments, built in 1925.
Also written as 305 Martense Street — or 305 Martense St, Brooklyn, NY 11226.
How this building compares
With about 28 apartments it is larger than 65% of the 420 rent-stabilized buildings this site tracks in East Flatbush-Erasmus. Its 1925 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 81 open violations here, about 2.9 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 740 violations on record at the address, 209 are class C — HPD's immediately hazardous grade, and 32 of them are still open. HPD issued 45 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | East Flatbush-Erasmus |
| ZIP | 11226 |
| Year built | 1925 |
| Apartments | 28 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3048680083 |
Owner & management
| Owner | 305 MARTENSE REALTY LLC 119 PONDFIELD ROAD #250 · Bronxville, NY 10708 |
| Managing agent | RHAMCO |
Building conditions
| HPD violations | 81 open / 740 total · 45 in last 12 mo |
| HPD complaints | 12 open / 2096 total |
| HPD registration last filed | March 10, 2026 |
Full building report — $9
Frequently asked questions
Is 305 Martense St rent stabilized?
305 Martense St in East Flatbush-Erasmus, 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 305 Martense St?
305 Martense St (BBL 3048680083) has about 28 residential apartments and was built in 1925, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.
Other rent-stabilized buildings in East Flatbush-Erasmus
See all in East Flatbush-Erasmus →