Construction is now rising on 100 Flatbush Avenue, a 44-story residential building in the Alloy Block multi-tower complex in Downtown Brooklyn. Designed and developed by Alloy Development, the 482-foot-tall structure will yield 441 units, with 45 reserved for affordable housing. The project was initially slated to feature 100,000 square feet of office space, but this has been scrapped in favor of 184 additional apartments. Urban Atelier Group is the contractor for the property, which is located on a trapezoidal plot bound by Flatbush Avenue to the northeast, State Street to the southwest, and Third Avenue to the northwest.
At the time of our last update in mid-April, foundation work was progressing while excavation was still ongoing on portions of the property. Now the reinforced concrete superstructure is two stories above street level, with rebar protruding for the columns in preparation for the formation of the next levels.
The construction crane has been assembled and towers over the project site. Tall metal scaffolding temporarily sits between the first and second floors as the concrete settles.
The following two photographs were taken in early June.
100 Flatbush Avenue features a Flatiron-esque massing that incorporates three shallow setbacks on the way up to its flat parapet. We could likely see the edifice reach a quarter of its full height by the end of summer and get close to the halfway mark by the end of the year. Each setback and slight reduction in floor area should help speed the pace of work.
The project is set to become New York City’s first all-electric tower with all functions powered by electricity, including the use of induction cooktops, heat pump dryers, hot water, and HVAC. Homes are situated from the third through 41st floors, with the majority of the residential amenities housed within the podium. These include a fitness center, flexible workspace, and an outdoor rooftop swimming pool.
Alongside 100 Flatbush Avenue and the taller 80 Flatbush Avenue is the inclusion of two grade schools: the KGIA at 380 Schermerhorn Street with a new cafeteria, a gymnasium, and a library; and an elementary school at 489 State Street with its own gymnasium and auditorium accessible to the community.
The second phase of the master plan will be led by Architecture Research Office as the design architect, Ismael Leyva Architects as the architect of record, Silman Associates and Magnussen Klemenic as the structural engineers, Cosentini & Associates as the MEP Engineer, Front Inc. as the façade consultant, Nelson Byrd Woltz as the landscape architect, Thornton Tomasetti as the sustainability consultant, Lighting Workshop as the lighting consultant, Langan as the geotechnical engineer, and AKRF as the civil engineer.
YIMBY last reported that 100 Flatbush Avenue and the two schools on site are expected to be completed in the first half of 2024, while 80 Flatbush Avenue is anticipated to take three years to build and conceivably be fully realized by 2027.