Napa Office Napa Office 1303 Jefferson Street, Suite 400A Napa, CA 94559 707.492.3452 Chris Jonas, SE, Principal email@example.com Click here to view a map Periodically we publish a newsletter featuring interesting projects and community events that impact the built environment throughout California. Sign up here to keep in touch and get the latest news from ZFA! Keep in Touch! Please enter a valid email address. Subscribe! Something went wrong. Please check your entries and try again.