New details of Boerum Hill’s next big project unveiled

Einhorn has owned the site since 2011

Another 12-story building is going up in Boerum Hill — by a similarly sized project.

Developer Harry Einhorn plans the 193-unit project for 85 4th Avenue, according to an application filed Tuesday with the city’s Buildings Department.

About 125,000 square feet of the site is zoned for residential use, while roughly 5,400 square feet is for commercial use and almost 2,000 for community space. The new development will also have room to park 79 cars and 100 bikes.

A message left for Einhorn was not immediately returned.

Einhorn in 2011 began collecting the nine tax lots that comprise the site, buying a group of low-rise buildings running the length of Fourth Avenue between Warren Street and St. Marks Place for just under $19 million, property records show. Einhorn closed on the final property in May for about $5.5 million. Axos Bank then provided $25 million to refinance the lots.

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The project could get a boost — at least among cyclists looking for housing — from the city’s plan to build protected bike lanes along 4th Avenue in Brooklyn from 65th Street to Atlantic Avenue. The city’s Department of Transportation at first said the Park Slope/Boerum Hill phase of the project would finish in summer 2021, but has agreed to implement fixes this fall, according to Bklyner.

Einhorn’s planned development is almost across the street from another 12-story project from Level One Holdings at 58 St. Marks Place. That development — which will be the largest in Level One’s portfolio — will have 100 apartments on the site of a former KFC outpost.

The city has eliminated one traffic lane in each direction from Fourth Avenue, slowing vehicular speeds on the thoroughfare. The bike lanes and other pending changes are expected to give the formerly industrial corridor a more residential feel.

Elsewhere in Brooklyn, Einhorn is developing a 65-unit project at 815 Flatbush Avenue in Flatbush.