San Mateo County

765,436 Population
446,825 Voters

San Mateo County

765,436 Population
446,825 Voters

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Supervisor District 3

Candidates

Per-candidate cumulative totals from their committees, plus outside spending for or against them.
Candidate Raised Spent Cash Late (497) IE Support IE Oppose
San Mateo County Supervisor / Educator
~$XX,XXX ~$XX,XXX ~$XX,XXX ~$X,XXX ~$X,XXX
Community Organizer
San Mateo County Supervisor / Educator
Raised
~$XX,XXX
Cash
~$XX,XXX
IE +
~$X,XXX
IE −
Community Organizer
Raised
Cash
IE +
IE −

Independent expenditures

Outside spending for or against candidates in this race, broken down by candidate, committee, or individual filing.
Candidate Support Oppose Total Details
Ray Mueller ~$X,XXX ~$XXX ~$X,XXX
Committee Support Oppose Total Details
Peninsula Law Enforcement Association PAC ~$X,XXX ~$XXX ~$X,XXX
Date Committee Candidate Position Description Amount
May 12, 2026 Peninsula Law Enforcement Association PAC Ray Mueller Support Consulting ~$X,XXX
May 12, 2026 Peninsula Law Enforcement Association PAC Ray Mueller Support Newspaper Ads ~$XXX
May 12, 2026 Peninsula Law Enforcement Association PAC Ray Mueller Support Digital Ads ~$XXX

Recent activity

Independent expenditures and late contributions filed in the last 90 days for candidates in this race.
AMR Holdco, Inc.
Late contribution ·to Ray Mueller
~$X,XXX
May 19, 2026
Joseph W. Cotchett, Jr. — Attorney, Cotchett, Pitre & McCarthy, LLP
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Nanci E. Nishimura — Attorney, Cotchett, Pitre & McCarthy, LLP
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Niall P. McCarthy — Attorney, Cotchett, Pitre & McCarthy, LLP
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Donald Magilligan — Attorney, Cotchett, Pitre & McCarthy, LLP
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Mark Molumphy — Attorney, Cotchett, Pitre & McCarthy, LLP
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Yvonne Ryzak — Legal Government Relations & Public Affairs, Ryzak and Associates
Late contribution ·to Ray Mueller
~$X,XXX
May 15, 2026
Independent expenditure ·supports ·Ray Mueller
~$X,XXX
May 12, 2026
Independent expenditure ·supports ·Ray Mueller
~$XXX
May 12, 2026
Independent expenditure ·supports ·Ray Mueller
~$XXX
May 12, 2026
Lenny Mendonca — Owner, Half Moon Bay Brewing Company
Late contribution ·to Ray Mueller
~$X,XXX
May 11, 2026
Richard Wayne Hedges — Retired
Late contribution ·to Ray Mueller
~$X,XXX
May 11, 2026
Peninsula Law Enforcement Association PAC
Late contribution ·to Ray Mueller
~$X,XXX
May 9, 2026
Service Employees International Union Local 521 Candidate PAC
Late contribution ·to Ray Mueller
~$X,XXX
May 9, 2026
California Real Estate PAC (CREPAC)
Late contribution ·to Ray Mueller
~$X,XXX
May 8, 2026
John A. Sobrato — Board Chair Emeritus, The Sobrato Organization
Late contribution ·to Ray Mueller
~$X,XXX
May 6, 2026
Cal Fire Local 2881-Committee for Fire Safety PAC
Late contribution ·to Ray Mueller
~$X,XXX
May 6, 2026
Charles Gust and Affiliated Entities
Late contribution ·to Ray Mueller
~$X,XXX
May 2, 2026
Woodmont Real Estate Services, LP, Including Aggregated Contributions
Late contribution ·to Ray Mueller
~$X,XXX
May 1, 2026
James M. Wagstaffe — Attorney, Adamski Moroski Madden Cumberland and Green LLP
Late contribution ·to Ray Mueller
~$X,XXX
Apr 30, 2026
Christine Bohannon — Senior Manager, Block Inc
Late contribution ·to Ray Mueller
~$X,XXX
Apr 30, 2026
Blair Nelson — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 29, 2026
Eric Nelson — Data Engineer, Big Time Data
Late contribution ·to Ray Mueller
~$X,XXX
Apr 29, 2026
Diane Sheardown — Office Manager, Bohannon Development Company
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Mary Bohannon — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Shan Bohannon — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Ryan Bohannon — Sales Representative, Jenson USA
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Madeline Johnson — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Abby Dunckel — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 28, 2026
Donna Wills Colson — City Council, City of Burlingame
Late contribution ·to Ray Mueller
~$X,XXX
Apr 27, 2026
Gary Ernst — Builder, Ernst Development, Inc
Late contribution ·to Ray Mueller
~$X,XXX
Apr 24, 2026
Jane Shroyer — Retired
Late contribution ·to Ray Mueller
~$X,XXX
Apr 17, 2026
Niles R. Shroyer — Carpenter, Cameron Builders
Late contribution ·to Ray Mueller
~$X,XXX
Apr 17, 2026
Christen J. Dilg — Realtor, Christen J. Dilg
Late contribution ·to Ray Mueller
~$X,XXX
Apr 17, 2026
John Shroyer — Realtor, John Shroyer
Late contribution ·to Ray Mueller
~$X,XXX
Apr 17, 2026
California Apartment Association PAC
Late contribution ·to Ray Mueller
~$X,XXX
Apr 13, 2026
Kevin Sniecinski — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 11, 2026
San Mateo County Firefighters PAC
Late contribution ·to Ray Mueller
~$X,XXX
Apr 9, 2026
IBEW PAC Educational Fund
Late contribution ·to Ray Mueller
~$X,XXX
Apr 3, 2026
Lisa Nash — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Apr 2, 2026
Cynthia Sherrill — Director, Coastside Fire Protection District
Late contribution ·to Ray Mueller
~$X,XXX
Apr 2, 2026
Boomandgo LLC-(Leagrey Dimond) — (Runoff 2026)
Late contribution ·to Ray Mueller
~$X,XXX
Apr 1, 2026
Boomandgo LLC(Leagrey Dimond)
Late contribution ·to Ray Mueller
~$X,XXX
Apr 1, 2026
Karen K Chapman — Consultant, Karen K Chapman
Late contribution ·to Ray Mueller
~$X,XXX
Mar 26, 2026
Paul Goeld — Not Employed
Late contribution ·to Ray Mueller
~$X,XXX
Mar 23, 2026
Deputy Sheriffs Association of Alameda County PAC
Late contribution ·to Ray Mueller
~$X,XXX
Mar 23, 2026
Josh Becker for Senate 2028
Late contribution ·to Ray Mueller
~$X,XXX
Mar 14, 2026
Contra Costa County Deputy Sheriff's Association PAC- — (Runoff 2026)
Late contribution ·to Ray Mueller
~$X,XXX
Mar 11, 2026
Contra Costa County Deputy Sheriff's Association PAC
Late contribution ·to Ray Mueller
~$X,XXX
Mar 11, 2026
Sprinkler Fitters & Apprentices Local 483 PAC
Late contribution ·to Ray Mueller
~$X,XXX
Mar 7, 2026

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