Alloy Design

The Alloy Block Wraps Up Construction At 505 State Street in Downtown, Brooklyn

8:00 am on April 16, 2024 By Michael Young and Matt Pruznick

Work is wrapping up on 505 State Street, a 44-story residential tower in the Alloy Block complex in Downtown Brooklyn. Designed and developed by Alloy Development, the 482-foot-tall, fully electric-powered structure will yield 441 rental units, with 45 dedicated to affordable housing developed in conjunction with the Fifth Avenue Committee. The Alloy Block master plan will offer 50,000 square feet of retail space, space for a local cultural institution, 500 bicycle parking spaces, and two schools: the Khalil Gibran International Academy High School (KGIA) at 380 Schermerhorn Street designed by Architecture Research Office, and an elementary school at 489 State Street. Urban Atelier Group is the general contractor for the property, which was formerly addressed as 100 Flatbush Avenue and is bound by Flatbush Avenue to the northeast, Third Avenue to the northwest, and State Street to the southwest.

Alloy Block’s 100 Flatbush Avenue Nears Completion in Downtown Brooklyn

8:00 am on June 8, 2023 By Michael Young and Matt Pruznick

Exterior work is nearing completion on 100 Flatbush Avenue, a 44-story residential tower in the Alloy Block complex in Downtown Brooklyn. Designed and developed by Alloy Development, the 482-foot-tall, fully electric-powered structure will yield 441 rental units. Of these, 45 will be dedicated to affordable housing, developed in conjunction with the Fifth Avenue Committee. The five-building Alloy Block master plan will encompass 850 units with 200 permanently affordable apartments, 100,000 square feet of Class A office space, 50,000 square feet of retail space, 500 parking spaces for bikes, two Passive House public schools designed by Architecture Research Office, and space for a local cultural institution. Urban Atelier Group is the general contractor for the property, which is bound by Flatbush Avenue to the northeast, Third Avenue to the northwest, and State Street to the southwest.

100 Flatbush Avenue Tops Out At The Alloy Block in Downtown Brooklyn

8:00 am on January 23, 2023 By Michael Young

Construction has topped out on 100 Flatbush Avenue, a 44-story residential tower at Alloy Block in Downtown Brooklyn. Designed and developed by Alloy Development, the 482-foot-tall structure will be powered entirely by electricity and will yield 441 units with 396 at market rate and 45 dedicated to affordable housing, the latter of which are being developed with Fifth Avenue Committee. The full five-building Alloy Block masterplan will encompass 850 units with 200 permanently affordable apartments, 100,000 square feet of Class A office space, 50,000 square feet of retail space, 500 parking spaces for bikes, two Passive House public schools designed by Architecture Research Office, and space for a local cultural institution. Urban Atelier Group is the general contractor for the property, which is bound by Flatbush Avenue to the northeast, Third Avenue to the northwest, and State Street to the southwest.

Alloy Block’s 100 Flatbush Avenue Continues Ascent in Downtown Brooklyn

8:00 am on December 3, 2022 By Michael Young

Number 29 on our December construction countdown is 100 Flatbush Avenue, a 44-story residential building in the two-tower Alloy Block development in Downtown Brooklyn. Designed and developed by Alloy Development, the 482-foot-tall structure will yield 441 units with 45 residences dedicated to affordable housing. Urban Atelier Group is the general contractor for the property, which is bound by Flatbush Avenue to the northeast, Third Avenue to the northwest, and State Street to the southwest.

View of construction at 100 Flatbush Avenue (October 2022) - Photo by Michael Young

Alloy Block’s 100 Flatbush Avenue Reaches Halfway Mark in Downtown Brooklyn

8:00 am on October 18, 2022 By Michael Young

Construction is 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 tower will yield 441 residences with 45 units reserved for affordable housing. Urban Atelier Group is the contractor for the property, which is bound by Flatbush Avenue to the northeast, Third Avenue to the northwest, and State Street to the southwest.

Alloy Block’s 100 Flatbush Avenue Begins Ascent in Downtown Brooklyn

8:00 am on June 17, 2022 By Michael Young

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.

The Alloy Block’s Foundations Continue to Progress at 100 Flatbush Avenue in Downtown Brooklyn

8:00 am on April 16, 2022 By Michael Young

Work is progressing below grade at 100 Flatbush Avenue, the site of 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 be joined by a separate 840-foot-tall skyscraper. Urban Atelier Group is the contractor for the project, 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.

168 Plymouth Street Completes Construction in DUMBO, Brooklyn

7:30 am on February 21, 2022 By Michael Young

Construction is complete on 168 Plymouth Street, a ten-story residential project in the DUMBO, Brooklyn Historic District. Designed and developed by Alloy Development, the project involved the renovation and repurposing of the 102-year-old Concrete Daylight Factory at 42 Jay Street and the 132-year-old Brick & Timber Building at 50 Jay Street, with a one-story extension above the latter’s parapet. The property yields 46 units at the southwestern corner of Plymouth and Jay Streets, a short walk from the East River waterfront and Brooklyn Bridge Park.

Excavation Underway for The Alloy Block at 100 Flatbush Avenue in Downtown Brooklyn

8:00 am on December 16, 2021 By Michael Young

At number 16 on our countdown is The Alloy Block, a multi-tower complex designed and developed by Alloy Development in Downtown Brooklyn. Located along the border with Boerum Hill, the project consists of the 840-foot-tall 80 Flatbush Avenue and the 44-story, 482-foot-tall 100 Flatbush Avenue. Hunter Roberts Construction Group is in charge of building the foundations, and Urban Atelier Group will take over the superstructure work, which will rise from the trapezoidal plot bound by Flatbush Avenue to the northeast, State Street to the southwest, and 3rd Avenue to the northwest.

New Renderings Released for The Alloy Block at 80 and 100 Flatbush Avenue, in Downtown Brooklyn

8:00 am on July 20, 2021 By Michael Young

A new series of street-level and aerial renderings have been revealed for The Alloy Block, a two-tower mixed-use development designed and developed by Alloy Development and located at 80 Flatbush Avenue and 100 Flatbush Avenue on the border of Downtown Brooklyn and Boerum Hill. Renderings depict the 482-foot-tall 100 Flatbush Avenue, a 44-story edifice being built in phase one at the corner of Flatbush Avenue and State Street, which will be the city’s first all-electric tower.

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