Menu
Summary Elected Officials
District 1 District 2 District 3 District 4 District 5
Candidates 2 Campaign Finance
Jurisdictions
Analysis & Demographics
Voter Metrics Census Data Ideology Analysis Overlapping Districts
Results & Analysis
County Elections Local Ballot Measures Statewide Elections Precinct-Level Map Precinct Analysis
Sign In Subscribe Help
LocalBallotBook Logo

San Mateo County

San Mateo County

You're viewing a free preview.

To see exact numbers, complete analysis, and all the detailed data on this page, we offer a 14-day free trial. You can choose a subscription plan based on your geographic coverage needs.

Committees Form 460s Independent Expenditures Late Contributions
Form 460s in San Mateo
898 filings
Committee Period Contributions Expenditures Cash on Hand Filed Date
Lisa Petrides for San Mateo County Community College District Trustee 2024 7/1/25 - 9/25/25 ~$X,XXX ~$XXX ~$XXX 9/26/25
Re-Elect Noelia Corzo for San Mateo County Supervisor 2026 Amended #1 1/1/25 - 6/30/25 ~$XX,XXX ~$XX,XXX ~$XX,XXX 8/28/25
Lisa Petrides for San Mateo County Community College District Trustee 2024 Amended #1 10/20/24 - 12/31/24 ~$X,XXX ~$X,XXX ~$XXX 8/20/25
Lisa Petrides for San Mateo County Community College District Trustee 2024 Amended #2 9/22/24 - 10/19/24 ~$XX,XXX ~$XX,XXX ~$XX,XXX 8/20/25
Lisa Petrides for San Mateo County Community College District Trustee 2024 Amended #2 7/1/24 - 9/21/24 ~$XX,XXX ~$XX,XXX ~$X,XXX 8/20/25
San Mateo County Asian American Pacific Islander Alliance Amended #1 1/1/24 - 6/30/24 ~$X,XXX ~$X,XXX ~$XX,XXX 8/7/25
San Mateo County Asian American Pacific Islander Alliance Amended #2 7/1/23 - 12/31/23 ~$XX,XXX ~$X,XXX ~$XX,XXX 8/7/25
Hector Camacho for County Superintendent 2026 Amended #1 3/24/25 - 6/30/25 ~$XX,XXX ~$X,XXX ~$XX,XXX 7/31/25
North Peninsula Democratic Club 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$XXX 7/31/25
Jenny Bloom for Ravenswood City School District 2020 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$XXX 7/31/25
Stop the Political Power Grab 1/1/25 - 6/30/25 ~$X,XXX ~$X,XXX ~$XXX 7/31/25
Amy Koo for School Board 2026 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$XXX 7/31/25
Janet Lawson for Redwood City School Board 2020 7/1/24 - 12/31/24 ~$XXX ~$X,XXX ~$XXX 7/31/25
Jenny Bloom for Ravenswood City School District 2020 7/1/24 - 12/31/24 ~$XXX ~$XXX ~$XXX 7/31/25
David Weidner for Sheriff 2028 1/1/25 - 6/30/25 ~$X,XXX ~$XXX ~$X,XXX 7/30/25
San Mateo County Asian American Pacific Islander Alliance 1/1/25 - 6/30/25 ~$XX,XXX ~$X,XXX ~$XX,XXX 7/30/25
Robert Foucrault for Coroner 2022 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$X,XXX 7/30/25
Support Our Schools 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$X,XXX 7/30/25
Chelsea Bonini for San Mateo County Superintendent of Schools 2026 1/1/25 - 6/30/25 ~$XX,XXX ~$X,XXX ~$X,XXX 7/30/25
Lisa Petrides for San Mateo County Community College District Trustee 2024 1/1/25 - 6/30/25 ~$XXX ~$X,XXX ~$XXX 7/29/25
California Teachers Association/Issues PAC 1/1/25 - 6/30/25 ~$XXX,XXX ~$XXX,XXX ~$XXX,XXX 7/29/25
Peninsula Law Enforcement Association PAC 1/1/25 - 6/30/25 ~$XX,XXX ~$XX,XXX ~$XX,XXX 7/29/25
California Teachers Association/Association For Better Citizenship 1/1/25 - 6/30/25 ~$XXX ~$XX,XXX ~$XX,XXX 7/29/25
Christina Corpus for San Mateo County Sheriff's Office 2022 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$XXX 7/29/25
Brandon Kwan for San Mateo County Board of Education 2018 1/1/25 - 6/30/25 ~$XXX ~$XXX ~$X,XXX 7/29/25