Contact Us - Peterson Mechanical Inc.
Bay Area Plumbing & Mechanical Contractor Since 1915

With a century of experience, Peterson Mechanical Inc. has what it takes to provide complete customer satisfaction


Contact Peterson Mechanical Inc.

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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 serving the greater Bay Area and beyond.

Learn about our residential HVAC services and commercial HVAC services today.

Sonoma County Office

Peterson Mechanical Inc.
21819 8th Street East
Sonoma, CA 95476
(707) 938-8481
Fax: (707) 938-1437

Click on Commercial HVAC or Residential HVAC or call for a Competitive Estimate