Voter registration, election information and representatives.
5 reviewed links · San Mateo
San Mateo, California
County context for browsing. Agency service areas may differ.Use the Secretary of State’s voter registration application. Read the requirements, identification alternatives and conditional registration guidance below.
Office guide →Register to vote online — statewide instructions linked to the separately cited county office
Register to Vote Now
Agent source review: October 14, 2026 · Snapshot 233ab24d8dc24079
California Secretary of State public location finder. Choose San Mateo to check listed services and opening dates for the November 3, 2026 election. This is a shared state tool; confirm your assigned voting location with your county.
Office guide →Definitions above the county search
Definition of services available: Early Voting: A voter may pick up and/or vote a vote-by-mail ballot at this location. Same Day Voter Registration: Voters can conditionally register and vote after the 15-day voter registration deadline at this location. For more information please go to Same Day Voter Registration Ballot Drop-Off: A secured box where vote-by-mail ballots may be dropped off.
Agent source review: October 15, 2026 · Snapshot d6e0f8d1430483c4
Official county candidate or measure resource. Check the named election and whether a list is filed, qualified or certified at the official destination.
Office guide →San Mateo County · San Mateo official election resources — current capture (opens in a new tab)
Official election page, exact published resource link; target contents not republished
Candidates & Measures
Agent source review: October 26, 2026 · Snapshot 5048cd3b121da7cf
Official county reporting directory for the named election, including a pre-election Zero Report and reporting schedule. This does not assert that returns or final results exist before they are published.
Office guide →San Mateo County Elections · San Mateo — Get Election Results (opens in a new tab)
Reviewed official public topic page at its enrolled source URL; exact saved paragraph and stated scope
Zero Report
Agent source review: October 26, 2026 · Snapshot 6c45f93912718bd5
Official county RAVBM instructions. All eligible voters may use the county process; live and demonstration tools are separate. No demo or private ballot system was opened.
Office guide →San Mateo County Elections · San Mateo — Remote Accessible Vote by Mail (opens in a new tab)
Reviewed official public topic page at its enrolled source URL; exact saved paragraph and stated scope
Use the Remote Accessible Vote by Mail System
Agent source review: October 26, 2026 · Snapshot c60ae03327b4df3b
These 0 profiles are classified under this topic by California’s official state service directory. The county filter above does not establish local eligibility for them. Confirm availability and requirements on the official profile.
No state-directory profiles mapped to this topic. This does not mean no state service exists.