Mr. Boesch is currently the assistant county manager.
The Board of Supervisors, which announced his appointment in early November, unanimously approved Mr. Boesch's one-year contract on Nov. 18.
Terms of the contract include 45 vacation days annually, a $13,338 annual transportation allowance, and three months of severance pay if his contract isn't renewed or if he is fired "without cause." He can accumulate up to 720 hours of vacation time, which he can cash in when his tenure ends.
The supervisors will evaluate his performance next year on or before July 31 and on or before Sept. 30.
Mr. Boesch was city manager of Menlo Park from 2000 until February 2007, when he was appointed assistant county manager. He lives in Menlo Park with his wife, Carrie, and their teenage son, Alexander.