Don’t let the Richmond address fool you, Kasten Builders is well known in Marin for their signature custom home building process, and luxury home owners in Tiburon or Mill Valley rave about the company’s exceptional craftsmanship. They also service San Francisco and Alameda, so don’t hesitate to recommend them to your friends who live outside Marin County. Hours are Monday through Friday 8 a.m. – 5:30 p.m.