She is the owner of Kate's Lazy Desert in Landers, California, and Kate's Lazy Meadow in Mount Tremper, New York, a rustic modern lodge in New York's Catskill Mountains. She operates the businesses with Monica Coleman, her partner since 2003. On August 3, 2015, Pierson and Coleman married in a ceremony attended by The B-52's, singer Sia Furler and Furler's husband, Erik Anders Lang.