
Alloy Development
Architecture FirmEst. 2006Architect-led developer founded by Jared Della Valle and Katherine McConvey. Since 2006, Alloy has completed over $1.6b in work as stewards of Brooklyn's built environment, designing and building its own projects including 505 State Street (New York's first all-electric skyscraper), One Third Avenue (aspiring to be the world's tallest passive house tower), and One John Street in Brooklyn Bridge Park. The firm is an interdisciplinary partnership of designers, analysts, brokers, and builders committed to rigorous analysis and quality design.
People at this firm
Projects
100 Flatbush
2024Multifamily · Downtown Brooklyn
New York State's first all-electric residential tower.
Awards & press
AIA Medal of Honor Award
AIA
Commendation Award
AIA Brooklyn · 2024 · For Integration of Public and Private Amenities
Award of Merit
AIA NYS · 2024
ULI Award for Excellence in Multi-Family Real Estate Development
ULI · 2025
SARA NY Excellence Design Award
SARA NY · 2025
Buildings of Excellence Winner
NYSERDA · 2025











