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Bill VanderwallVanDerWall Engineering was established in Kelseyville, California on February 14, 2005. Bill VanDerWall, Principal Engineer, has worked in Sonoma, Lake and Mendocino counties since 2000.

Prior to moving to California, Bill VanDerWall was employed by the City of Lewiston, Idaho for the position of Infrastructure Planner and then later Assistant City Engineer.

Bill is a Registered Civil Engineer for the State of California (2001) and Idaho (1999). He earned a Bachelors of Science in Engineering at Idaho State University in 1993.