Project Portfolio

Peterson Mechanical has extensive experience providing Mechanical & Plumbing Construction Services for projects across a variety of sectors, including manufacturing, technology, laboratories, clean rooms, hospitals, wineries, schools, high rise buildings, and office buildings. We invite you to review some of our current and past projects & clients.


Sutter Santa Rosa Regional Hospital

Kaiser Santa Rosa Medical Office Building 5

Kaiser Santa Rosa North Wing Tower

Santa Rosa Health Center

St. Mary's Hopspital San Francisco--Generator Replacement

Santa Rosa Memorial Hospital--New Surgery Center

Kaiser San Francisco--Various Projects

Petaluma Valley Hospital Upgrades

Ukiah Valley Memorial Hospital Renovation

Kaiser Napa Data Center

Sutter North Bay Health Plaza--Santa Rosa

San Ramon Medical Center Remodel


Lawrence Berkley National Laboratory--Test Best Facilities--Berkeley, CA

Agilent Technologies--Various Projects

Medtronic Expansion--Santa Rosa

Biosearch Technologies

JDS Uniphase--Santa Rosa

Keysight Technologies--Santa Rosa

3M--Plant Expansion--Petaluma

BioMarin--New Lab Building-San Rafael

Buck Institute--New Lab Building--Novato

Parmatech Corporation--Petaluma


Hall Winery Expansion--Napa

Domaine Chandon--various projects

Stag's Leap Visitor's Center-Napa

Opal Moon Winery-Sonoma

Daily Grill Restaurant--Graton Casino

630 Park Steakhouse--Graton Casino

Graton Casino--Event Center

La Residence Hotel Expansion--Napa

Burgers & Vine Restaurant--Sonoma

Three Twins Ice Cream

Culinary Institute of America at Greystone

River Rock Casino Renovation

Fairmont Sonoma Mission Inn Renovations

Bardessono Inn & Spa

Dana Estates Winery


1100 Ocean Ave Residences--San Francisco

Lynch Building--Mixed Use

Redwood Credit Union--Anova

Sonoma County Airport--AHU Replacements

Marin Youth Center

388 Fulton Street Residences--San Francisco

Nerd Wallet TI--San Francisco

Dona Springs Animal Shelter

Clover Stornetta--Upgrades

CCL Label Worldwide

Local 104 Training Center--Fairfield

JC Penny--Chiller Replacement

Spring Lake Village--Mixed Use Residences


Solano Community College--BioScience and Technology Building

San Francisco State University--Recreation and Wellness Center

Solano Community College--HVAC and EMS Upgrades

Daniel Webster Elem--San Francisco

Sonoma State Univ--Green Music Center

Santa Rosa Junior College--Culinary Arts Center

Juvenile Justice Center--Sonoma

Mendocino College--Library

Old Solano Courthouse--Fairfield

College of Marin--Main Building Complex

Vacaville Fire Station

Solano Community College--Bldg 600

Napa Courthouse

Santa Rosa Junior College--Library

College of Marin--Math and Science

Santa Rosa Junior College--Bailey Hall

Sonoma State University--Darwin Hall

Peterson Mechanical is a Sonoma-based mechanical contractor providing a single source for reliable mechanical systems in the San Francisco Bay Area. 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. Peterson Mechanical provides pre-construction, pre-fabrication, custom fabrication, design/build and plan/spec. solutions for San Francisco, Oakland, Sonoma, Napa and the surrounding areas. We can deliver your project under the tightest schedule while meeting the most rigorous mechanical construction standards.