Contact Peterson Mechanical

Although we have grown significantly in size, capabilities and experience over the last 100 years, we still maintain our original core values of integrity, honesty and service that we gained as a family owned Sonoma Valley mechanical contractor to now serve the greater Bay Area.

Please contact one of our experts to receive a competitive estimate or inquire about our small or large-project design, plan or build capabilities.

Please contact our friendly Peterson Service qualified experts for your HVAC service needs.

Contact Us

707.938.8481
707.938.1437
21819 8th Street East, Sonoma 95476
PO Box 450, Sonoma, CA 95476

Email Us

estimating@petersonmechanical.com
engineering@petersonmechanical.com
petersonservice@petersonmechanical.com


Contact us to learn about our top-rated mechanical contracting services or to discuss an upcoming plumbing, refrigeration or design/build project in the San Francisco Bay Area. Peterson Mechanical is a Sonoma-based mechanical contractor providing a single source for reliable mechanical systems. We specialize in HVAC, plumbing and refrigeration for a wide variety of market sectors including Healthcare, Technology, Education, Office Space, Hospitality, Winery, High Rise and Low Rise Residential.