Excellence in service, unmatched expertise

Gregory James Inc. was founded in 2006 by Gregory J. Mayer. He has been one of San Diego’s premier contractors for almost 20 years! Greg got his start remodeling homes in the early 2000’s and started building homes for Hancock Builders in Phoenix, Arizona in 2007 and 2020. He now concentrates his business on additions and adu's, specialty folding door and window systems, and remodeling.

Unlock the potential of your projects with Gregory James, Inc. Our skilled professionals deliver quality workmanship, timely solutions, and unparalleled expertise to ensure your vision becomes a reality. From renovations, window and door systems, to ADU's, we're dedicated to exceeding expectations.