2013
Overaa builds the world’s first rotating test lab at Lawrence Berkeley National Laboratory (LBNL).
2014
Overaa provides 380 MGD of clean water to California.
2015
Overaa breaks ground on The Oakland Zoo’s California Trail.
1907
Carl is determined to help rebuild the Bay Area; Carl Overaa Builder is established.
1915
Carl constructs a boarding house on Nevin Avenue in Richmond, CA – Carl’s friends and family live in the building, most are employees of Overaa.
1917
Carl agrees to build a 2-story wood frame apartment building for $3997.
1929
The Great Depression nearly puts Overaa out of business – Carl’s sons, Clarence and Elmer, are forced to drop out of UC Berkeley and try their luck gold mining in Coulterville, CA.
1932
Clarence meets his future wife, Julia Lucey.
1939
Overaa builds exhibits for Ford Motor Co. and Standard Oil at the San Francisco World’s Fair.
1945
Carl and Clarence enjoy good economic times; Overaa builds more than 20 schools in the booming Bay Area.
