Our Story

Before starting Gannon Construction Company, Brian Gannon worked for over 25 years as a superintendent, lead estimator, and project manager for a large commercial construction company in the Bay Area. His projects included a 200 unit condo conversion project in Cupertino; a 67 unit upper-end condo project in Marin County from raw land through buyers’ move-in; the subdivision of a 100 acre site on the American River into buildable lots including roads, utilities, and the construction of a 5,000 sf model home; The construction of 45 semi-custom homes in Mill Valley; Numerous public works projects, e.g., welded-steel water tanks for MMWD, construction of parking lots, the installation of modular classrooms, Placement of potable water lines, etc. These projects ranged from $500,000 to $20,000,000 in size.  

Brian founded Gannon Construction Company in 1999 to bring to the market a General Contracting firm based on delivering high quality work, honestly, and efficiently with a focus on customer satisfaction.