John Owens Services, Inc. is your trusted source for reliable plumbing, heating, and air conditioning services 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 dealer and installer of industry-leading plumbing and HVAC brands such as Rinnai, Bradford White, Mitsubishi, and American Standard.