Plumbing & Piping - Peterson Mechanical
Bay Area Plumbing & Mechanical Contractor Since 1915

Peterson Mechanical's 100+ Year Anniversary Logo

We are serious about providing our customers with plumbing and process piping systems that stand the test of time.

Process Piping & Commercial Plumbing Contractor

As a veteran process piping and commercial plumbing contractor serving the Greater Bay Area, Peterson Mechanical provides piping and plumbing installations for a variety of project types, from new construction to retrofits. You can find our work in hospitals, manufacturing plants, laboratories, office buildings, universities, wineries, correctional institutions, kitchens, and other facilities.


Over Peterson Mechanical’s many years in the piping industry, we have designed, fabricated, and installed a full range of process piping systems, including:

  • Process water / steam / high purity air / gases / vacuum / fuel / medical gases
  • Boilers / chillers / pumps / tanks / heat exchangers / cooling towers / water treatment / specialized process equipment
  • Waste and vent piping
  • Domestic water


Our expertise as a commercial plumbing contractor extends to the design, pre-fabrication, and mechanical construction of a broad spectrum of systems, including:

  • Medical gases
  • Vacuum
  • Acid waste
  • Fusion weld gas pipe
  • High-purity water
  • De-ionized water


Discover for yourself why so many project owners, general contractors, and construction managers throughout the Bay Area trust Peterson Mechanical with their process piping and commercial plumbing projects. Contact the experts at Peterson today.

Quality & Safety from Design to Build

Our full-service HVAC company has perfected high-quality mechanical engineering projects under strict safety guidelines in the following sectors:

Proud to Serve Northern California Since 1915

  • Contra Costa County
  • Marin County
  • Napa County
  • San Francisco County
  • Solano County
  • Sonoma County