With over 35 years of experience Roy A. Tanner Builder, Inc., is Marin Counties premier California custom builders. We specialize in custom remodels, additions, and decks to help provide your home with the style that fits you and your lifestyle. Our staff prides themselves on customer service as well as quality to give you the remodel of your dreams. For a truly experienced and professional company. Call Roy A. Tanner Builder, Inc., today. I interviewed several contractors for a major master bedroom and bathroom remodel I wanted to do.