AT6 Architecture + Design Build

AT6 Architecture + Design Build is an architect-led design-build firm based in San Francisco that delivers integrated architecture and construction services for residential remodels, renovations, additions, and custom homes across San Francisco, Marin, and the East Bay. The company pairs an in-house construction team with architectural design to manage projects end-to-end—from pre-design and concept through permitting, construction administration, and closeout—prioritizing accountability, constructability, budget control, and a low-stress client experience. Founded by Jason Langkammerer, AT6 Architecture + Design Build has earned media recognition and industry awards and focuses on modern, practical design combined with high-quality craftsmanship to produce turnkey, enduring homes. (Website: AT6 Architecture + Design Build)