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

Köch Construction was founded in 1935 by current president Dave Köch’s father. 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. Review our client list and project references.

Dave Köch Experience and Expertise

President of Köch Construction Company, Inc. – 1983 to present
Developer of Various Commercial, Residential and P.U.D. Projects
V. P./Secretary for Callahan & Köch Construction Associates, Inc., 1971 to 1983

We are expert builders of:

  • Tilt-Up Concrete Buildings
  • Wood Frame
  • Medical Office Buildings
  • Restorations & Remodel
  • Metal Buildings
  • Wineries
  • Tenant Improvements
  • Custom Homes
  • Apartments


  • Past President – North Coast Builders Exchange (NCBE) July 1998 – July 1999
  • Board of Directors – NCBE 10 years
  • Past Regional Director of Building Industry Association (BIA)
  • Member – National Federation of Independent Business
  • Member – Santa Rosa, Windsor Chamber of Commerce
  • Member – Associated Builders and Contractors (A.B.C.)
  • Windsor Rotary
  • Windsor Boys and Girls Club (committee chair)
  • Boys and Girls Club of Central Sonoma County (board of directors)