Contact: Mark Church, Assessor-County Clerk-Recorder & Chief Elections OfficerAlternate: Jim Irizarry, Asst. Assessor-County Clerk-Recorder & Asst. Chief Elections Officer (Redwood City, CA) The San Mateo County Clerk’s Office at 555 County Center in Redwood City will extend its calendar hours on February 14th to perform civil ceremonies for couples wanting to marry on Valentine’s Day. The County Clerk’s Office will perform a ceremony every hour from 8:00 a.m. to 5 p.m.