Media & Press - Peterson Mechanical
Bay Area Plumbing & Mechanical Contractor Since 1915
Peterson Mechanical - 100 Years of Service
A 100-Year Foundation for the Future
    A 100-Year Foundation for the Future

    Celebrating 100 Years of Service in California

    In 1915, Ed Peterson started a plumbing and tinning company on First Street West in Sonoma, CA.

    Now, 100 years later, Peterson Mechanical has spanned four generations of the Peterson family and tackled increasingly complex projects in the fields of health care, technology, education, wineries, hospitality, and more.

    Throughout it all, our commitment to our customers has been unwavering.

    Here we are proud to share some highlights of our history as we look forward to the future.

    Checkout a recent article we’re featured in: Better Construction Coordination Reinforces the General-Contractor–Subcontractor Relationship

    In the early years of his business, Ed Peterson was a plumber and also a dealer of tanks, pumps, water pipes, windmills and brass faucets. He brought the latest technologies to his customers, including Crane automatic water heaters in the 1920s.
    Ed Peterson shows off the boiler used for the new hydronic heating system in Peterson's new Broadway store in 1949. While the under-floor heating system was a novelty at the time, it remains popular today, especially in cold climates.
    Rich Peterson, who was a member of the Sonoma Valley Chamber of Commerce board of directors, designed and built a rotisserie for the chamber's first ox roast fundraiser in the 1960s. Photo from Sonoma Valley Chamber of Commerce.
    Peterson has worked on numerous hospital projects over the years, including Hillcrest Hospital in Petaluma in 1973. Because patients' well-being is at stake, hospital mechanical systems must be built to high standards of reliability and redundancy.