Making a
better
Brooklyn.
Projects
-
One Third Avenue
New York's City's tallest mixed use passive house tower.
-
505 State Street
New York's First All-Electric Skyscraper
-
489 State Street
New York's First Passive House Schools
-
168 Plymouth Street
The Last Loft Conversion in Dumbo
-
One John Street
The Last 42 Homes on the Dumbo Waterfront
-
Dumbo Townhouses
The Only Townhouses in Dumbo
We are committed to making Brooklyn beautiful, sustainable and equitable.
Happenings
-
Alloy Development is one of the world's 50 most innovative companies of 2025
Alloy is recognized by Fast Company as one of the world's 50 most innovative companies of 2025.
-
NYC DOE Chancellor Aviles-Ramos visits KGIA and PS456.
Alloy tours New York City DOE Chancellor Aviles Ramos through New York City's first passive house designed schools.
-
Thank you to all who attended our 240 Nassau Street Visioning Workshop!
Thank you to the over 100 community members who attended our Visioning Workshop and provided valuable insight on the future of 240 Nassau Street.