Liminal Architecture was founded in 2010 by architect Mark Graham out of a desire to provide a positive design experience for clients interested in energy efficiency and ecologically sound building practices. Located in Charlottesville, Virginia, Liminal offers design and consultation services for both residential and commercial projects.
In 2016, Mark joined Barbara Gehrung of bg design to form Gehrung Graham LLC. To view current projects and inquire about design and Passive House consulting services, please visit