Founded in 1998 by Christopher Luna, Cornerstone DEC brings more than two decades of architectural and engineering expertise to clients across Northern California. Now based in Chico after over 20 years in Chester, the firm provides integrated site development, architectural design, and structural engineering services. Their “one stop” approach includes support through building department approvals, streamlining the process for both residential and commercial projects. Cornerstone DEC serves a broad region, working with clients from Plumas to Sonoma County. The firm’s project portfolio includes site planning, building design, and structural solutions tailored to local codes and requirements. Christopher Luna and his team are known for providing technical designs supported by thorough engineering, addressing both the creative and regulatory needs within each project’s scope.