Chris Jonas, SE


As founder and principal of ZFA’s newest office in Napa, Chris focuses on downtown redevelopment, rehabilitation, and adaptive reuse of Napa’s historic buildings, in addition to design of hotels, multi-family, and custom residential projects. A native of Napa with roots in his family’s construction business, Chris brings an in-depth knowledge of construction methods and materials with a focus on efficiency and constructability to his projects.


    • Strong focus on communication with clients to bring forth and understand the ultimate goals and needs of a project with an emphasis on early coordination efforts
    • Committed to the community as a life-long resident, Chris’ approach to all projects stems from a personal level of investment for its overall success
    • An intense desire for and fulfillment from repair and rehabilitation of historic buildings for re-use in a modern society

Chris leads project design teams, coordinates with external consultants, and works with the most discerning of clients.

30+ years
BS in Structural Engineering
University of California, San Diego
Structural Engineers Association of Northern California (SEAONC)

American Institute of Steel Construction (AISC)

Napa Engineers Society

Napa County Landmarks

California Preservation Foundation

USGBC, Redwood Empire Chapter

Cal OES Safety Assessment Program
Chris is an avid lover of the outdoors and feels most comfortable when surrounded by the peacefulness of the mountains and forests or a pristine lake. When not in the office, he’s likely to be found deep in the woods on a hike or in pursuit of that elusive trophy fish.