Contact: Mark Church, Chief Elections Officer & Assessor-County Clerk-RecorderAlternate: Jim Irizarry, Assistant Chief Elections Officer & Assessor-County Clerk-Recorder (Redwood City, CA) On April 26, the San Mateo County Registration & Elections Division will begin mailing the Sample Ballot & Voter Information Pamphlet to registered voters for the June 5, 2018 Statewide Direct Primary Election.