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Koch Construction Company » Projects


Nestled in the heart of Sonoma County Wine Country, Köch Construction is your trusted partner for crafting exceptional winery projects. With over four decades of experience, we have had the privilege of working on numerous prestigious winery construction projects, each one a testament to our commitment to excellence.

Wineries demand a unique blend of craftsmanship, precision, and a deep understanding of their specific construction needs. At Köch Construction, we bring this expertise to every project, ensuring that each winery we build or renovate reflects the spirit and tradition of the region.

One of our proudest achievements is the seismic upgrade of Greystone Vineyards, a historic 1889 stone winery that now houses the Culinary Institute of America. Christian Brothers Winery chose Köch Construction for this monumental project, a testament to our unmatched craftsmanship and dedication to preserving heritage.

When it comes to winery construction, Köch Construction stands as a symbol of quality, trust, and unwavering commitment. Experience the artistry of our winery buildings, where excellence is not just a promise but a tradition.

a building with a wooden door

Kunde Winery

greystone vineyard

Rodney Strong Vineyards

a building with a wooden door

Merry Edwards Winery

greystone vineyard

Greystone Cellars

Other Winery Construction Projects We Have Completed:

Geyser Peak Winery

Preston Winery

Christian Brothers Winery

Robert Mueller

Beringer Wine Estates, Asti

Windsor Vineyards

Klein Family Vintners

Iron Horse Winery

Belvedere Winery

Zellerbach Winery

De Lorimier Winery


At Köch Construction Company, our 43 years of expertise in the construction industry stand as a testament to our commitment to delivering exceptional results. Whether you’re envisioning your dream home or seeking to transform a commercial space, we are your trusted partner in Sonoma County, Napa County, and Marin County.

Our portfolio reflects our dedication to turning visions into stunning realities. From residential havens to striking commercial spaces like the Nguyen Dental Offices, we infuse every project with creativity and precision. Our team pays meticulous attention to intricate details, ensuring that each structure we build is not just functional but visually captivating. We believe that even offices and medical facilities can be eye-catching, as the Nguyen Dental Building demonstrates—a testament to our ability to bring unique visions to life.

For projects of any size, Köch Construction is your assurance of quality craftsmanship and unmatched dedication. Experience the difference where your vision meets reality with Köch Construction.

Nguyen Dental Building

Nguyen Dental Building


At Köch Construction, we turn the ordinary into the extraordinary with our pre-engineered metal building construction services. Our commitment to blending functionality, aesthetics, and budget-conscious solutions sets us apart in the industry. We believe that metal buildings can be as beautiful and unique as any other architectural masterpiece, and we make it happen for our clients.

With a keen eye for innovative design and a dedication to using functional materials, Köch Construction transforms your vision into reality. We work closely with you to create a building that not only meets your needs but also exceeds your expectations. Our track record speaks volumes, with the Merry Edwards Winery project earning us the prestigious 2007 Building of the Year award.

Merry Edwards Winery

Merry Edwards Winery


At Köch Construction, we’re dedicated to bringing your commercial construction dreams to life, regardless of the project’s size or complexity. With decades of experience in the industry, we’ve successfully completed a wide range of commercial projects. Our commitment to excellence, innovation, and customer satisfaction sets us apart. Whether it’s a small-scale renovation or a massive commercial complex, we have the expertise to deliver outstanding results on time and within budget.

We understand the unique challenges and opportunities that commercial construction presents, and we leverage our experience to ensure the success of every project. Our team’s dedication to quality craftsmanship and attention to detail guarantees that your commercial space will leave you nothing but satisfied.

Lakewood Shopping Plaza

Lakewood Shopping Plaza

Lakewood Shopping Plaza



At Köch Construction, we don’t just build houses—we create homes where cherished memories are made. With a passion for crafting exceptional housing structures, we take pride in turning your dreams into reality. Our expertise extends to a diverse range of housing construction projects, from exquisite new homes to extensive planned developments.

Our commitment to quality, innovation, and sustainability sets us apart in the construction industry. We understand that a home is more than just bricks and mortar; it’s a place where lives unfold, stories are written, and futures take shape. That’s why we pour our heart and soul into every project, ensuring that each structure we build reflects the unique desires and needs of its future occupants. With Köch Construction, your vision for the perfect home becomes a tangible masterpiece.

a tan house with green shutters

Custom Equestrian Estate Home


At Köch Construction, we take pride in our commitment to education by constructing state-of-the-art facilities that foster learning and growth. With a focus on educational construction, we understand the unique demands and regulations that come with building schools and academic institutions. Our expertise spans various educational projects, including the prestigious Windsor Christian Academy in Sonoma County.

Windsor Christian Academy entrusted Köch Construction to bring their vision to life, and we delivered beyond expectations. Utilizing cutting-edge metal building systems, we not only ensured cost-efficiency but also maintained the highest standards of quality and compliance with all necessary regulations. Our dedication to excellence resulted in substantial savings for our client compared to traditional public school construction methods. We are committed to providing top-tier educational construction solutions that empower students and educators alike.

Windsor Christian

Windsor Christian


When it comes to reroofing, trust Köch Construction to protect your most valuable asset—your home. Our expert team brings decades of experience, dedication, and a commitment to quality that’s unmatched in the industry. We understand the significance of a reliable and durable roof: it’s not just about shelter; it’s about peace of mind.

At Köch Construction, we pride ourselves on using top-tier materials and employing skilled professionals who meticulously handle every aspect of your reroofing project. Whether it’s a traditional asphalt shingle, eco-friendly options, or something completely unique, we tailor our solutions to your needs. With Köch Construction, you’re not just getting a new roof; you’re getting a shield of protection for your family and your investment.

MR-24® Roof System

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