Proudly Serving Marin, Sonoma, and Napa Counties Bragg Plumbing Heating & Cooling is committed to providing you with the best solutions and the friendly, personalized service you deserve. We are proud to serve communities throughout Marin, Sonoma, and Napa Counties. Whether you’ve got an urgent plumbing problem in Sausalito, a broken AC in Sonoma, or indoor air quality concerns in Napa, our team is prepared to provide fast turnarounds to help you get your plumbing and indoor comfort problems resolved as quickly as possible.