Benyamini Files Plans for 22-Unit Rental Project at 604 Flatbush Ave in Brooklyn

• 22-unit rental building planned in Prospect Lefferts Gardens
• Project will span 14,079 square feet across six stories
• Located near Prospect Park station with strong transit access

What the project includes for Prospect Lefferts Gardens

Permits have been filed for a new residential development at 604 Flatbush Avenue in Brooklyn’s Prospect Lefferts Gardens. The project is being led by Hertzl Benyamini of BH, who is listed as the owner behind the application. Plans call for a 61-foot-tall building with 22 residential units spread across 14,079 square feet. Based on the average unit size of 639 square feet, the property is expected to operate as a rental building targeting smaller households and young professionals. The site benefits from its proximity to the Prospect Park subway station, giving future tenants direct access to the B, Q, and S lines. That level of connectivity continues to drive strong rental demand in the area.

What the design signals for rental strategy

The building will feature a steel-based structure along with a cellar and a 35-foot rear yard. These elements point to a practical, efficiency-driven development approach rather than a high-end luxury build. Baobab Architects, led by Gladmore Mwandiambira, is serving as the architect of record. The compact unit sizing suggests a focus on maximizing rent per square foot while keeping construction costs controlled. This strategy aligns with a broader shift across Brooklyn, where developers are prioritizing smaller, more attainable units in transit-oriented neighborhoods.

What this means for Brooklyn multifamily demand

This development fits into the ongoing trend of mid-rise rental projects in emerging Brooklyn submarkets. Prospect Lefferts Gardens continues to attract investor interest due to its relative affordability and proximity to Prospect Park. Smaller units in well-connected locations tend to lease quickly, supporting stable occupancy and consistent income for landlords. As more projects like this enter the pipeline, the neighborhood is expected to see continued rental growth. The lack of demolition permits signals the project is still in early stages, but it remains one to watch as Brooklyn’s multifamily inventory expands.