LK Collaborative (LKC) is a Brooklyn architecture firm with a focus on Passive House and sustainable design principles. We craft contemporary designs that enrich the lives of people and communities.

LKC is based in Brooklyn, New York and led by Principals Brad Leibin, AIA, and George Kontaroudis, AIA, CHPD, LEED AP BD+C, who bring more than 40 years of combined experience. Together they have designed more than 2,000 homes including supportive housing, family affordable housing, senior housing, workforce housing, dormitories, as well as market rate housing. Prior to founding LKC, Leibin was an Associate and at Marvel in New York City as well as an Associate at David Baker Architects in the San Francisco Bay Area. Kontaroudis was a Senior Project Manager at Morris Adjmi Architects. The firm holds vast technical knowledge to execute at all ends of the scale spectrum, from renovations to ground-up development. We are well versed in zoning, permitting, documentation, consultant coordination, construction drawings, entitlements, bidding, and construction administration.

Because the most successful architecture is not only beautiful but functional, LKC believes in strong lines of communication with our clients. When appropriate, the firm is experienced at robust forms of engagement with tenants and other stakeholders. LKC also specializes in new forms of construction to save time and cost, including modular prefabrication. We are committed to sustainable, energy efficient design strategies such as all-electric and Passive House construction. The firm is well-versed in New York City building, mechanical, electrical, plumbing, fire, and energy codes. LKC also has expertise in accessible, ADA-compliant design.