John Owens Services, Inc. is your trusted source for reliable plumbing, heating, air conditioning services and drain cleaning in Marin and Sonoma Counties. Whether you need plumbing repairs or want to upgrade to a more energy-efficient HVAC system, John Owens Services, Inc. is fully licensed and equipped to help you. Call today to request an appointment and get a free estimate for any installation work. John Owens Services, Inc. is a proud installer of industry-leading plumbing and HVAC brands such as Rinnai, Bradford White, Mitsubishi, Rheem Ruud and American Standard.