• Action Rents

  • Merry Edwards Winery

  • Sonoma Design Apparel

  • Mini Storage

  • Mini Storage

  • Windsor Vineyards

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Contact Köch Construction for an estimate on your residential or commercial building project.

KÖch Construction

Since 1983 Köch Construction has been recognized as one of the leading general contractors in Sonoma County.

Dave Köch started a construction company in 1971, following in his father’s footsteps since 1935.

As a second-generation contractor, Dave Köch has provided service and commitment to his clients on a diverse range of projects.

At Köch Construction, quality people, old-fashioned work ethics, and a strong commitment to customer service make the backbone of our company.

Through dedication and responsiveness to the needs of our clients, we have developed long-standing relationships and earned a reputation based upon trust, quality, integrity, and reliability.

Why Contact Us

During the past 43 years in business, Dave Köch, President of Köch Construction Company, has built and remodeled a great number of buildings in Sonoma County, Napa County, and Marin County.

Köch Construction handles building projects in both residential and commercial settings. We've completed a wide and diverse range of projects—you can count on us to get the job done right, no matter what the size of your project.

From planned development projects to apartment buildings and custom homes, Köch has tackled every type of project, always keeping our commitment to quality workmanship and great customer service. When you contact Köch, you can be sure you're getting an experienced, professional, and friendly contractor.

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Sonoma County's Leading General Contractor