J. F. Shea Co., was founded in 1881 in
Portland, Oregon by John Francis Shea. The J. F. Shea Company's activities include new-home construction, commercial construction, civil engineering, commercial and multi-family property development and management, construction materials and
venture capital. The JF Shea Company's projects include the building of the diversion channels for the Hoover Dam, the foundations for the Golden Gate and Oakland Bay bridges, J. F. Shea completed the Mokelumne pipeline, which transported water to Oakland and Berkley. During the 1930s, J. F. Shea built the foundation piers for the Golden Gate Bridge in San Francisco and assisted in the construction of the San Francisco-Oakland Bay Bridge. The company also served as the construction manager for the Hoover Dam. The outbreak of World War II diverted the attention of nearly all types of businesses, forcing them to respond to the different conditions and demands of a country at war. J. F Shea spent the war years building liberty ships and shipyards.
1960s–1970s J. F. Shea constructed tunnels and stations for the San Francisco
Bay Area Rapid Transit (BART) system. The company also managed tunneling efforts for Metro, the subway system in Washington, D.C. In the 1970's, the company formed
Shea Properties, which would oversee commercial development, including retail centers, apartments, office buildings and industrial parks. ==J. F. Shea Co., Companies==