Andrew N. Hamilton is running for reelection as Orange County auditor-controller in the Nov. 3 general election. Hamilton ran unopposed in the June 2 primary, according to LAist, effectively securing his path to the general election ballot.

The nonpartisan office handles property tax administration, financial reporting and independent financial oversight for all Orange County cities, including Newport Beach. Hamilton was independently elected to the post in June 2022, according to the OC Treasurer-Tax Collector website. He has served as auditor-controller since 2023, according to BallotReady. He leads a staff of more than 400 professionals who oversee payroll for more than 18,000 county employees and manage vendor payments, according to the OC Auditor-Controller's office.

Candidate information

  • Residence: Lake Forest, California
  • Education: Bachelor's degree in accounting, Taylor University (1992)
  • Certification: Certified public accountant, licensed since 1995
  • Recognition: Named one of the OC Register's 125 Most Influential People in Orange County for 2025

Experience and public service

Hamilton's career in public and private finance dates to 1992. He started as a certified public accountant at Arthur Andersen and Company from 1992 to 1994, then at Capin Crouse LLP from 1994 to 1996. He also held controller and finance positions at E.L. Yeager Construction Company, Disneyland Resort, Gambro Healthcare, GTC Telecom and Semitropic Water Storage District, according to BallotReady profile data.

In the public sector, he served as chief financial officer and treasurer at Mesa Water District from 2013 to 2017. He then served as finance director and treasurer at Central Basin Municipal Water District from 2017 to 2020. He was director of finance for the city of Yucaipa from 2021 to 2022 before winning the auditor-controller seat.

Hamilton also held elected office as a councilmember on the Lake Forest City Council from 2014 to 2018, according to BallotReady.

On the issues

No issue responses from Hamilton were available for this profile.

Endorsements

Hamilton has received the following endorsements, according to BallotReady profile data:

  • California GOP
  • Republican Party of Orange County
  • California Republican Assembly

The Newport Signal did not receive a candidate questionnaire response from Hamilton. This profile is based on publicly available records and election data.