Contact: Mark Church, Chief Elections Officer & Assessor-County Clerk-RecorderAlternate: Jim Irizarry, Assistant Assessor-County Clerk-Recorder (Redwood City, CA) With Valentine's Day right around the corner, the San Mateo County Clerk's Office has extended its hours on Tuesday, February 14th, to perform civil ceremonies for couples wanting to marry on this special day. From 8:00 a.m. to 7:00 p.m., the Clerk’s Office will perform a ceremony every half hour.