Texas › Cameron County › Cameron County Commissioner, Precinct 4
2 candidates are tracked for Cameron County Commissioner, Precinct 4 on the November 3, 2026 ballot: Oscar Guerra and Gus Ruiz. Candidate information follows official Cameron County election filings; verify with the official election office linked below.
March 3 primary result: Oscar Guerra won the Republican nomination over Ricardo "Rick" Balli, 59.70%-40.30%, per the county's official canvass. Incumbent Commissioner Gus Ruiz ran unopposed for the Democratic nomination. Guerra and Ruiz meet on the November 3 ballot.
Republican
Oscar Guerra appears on the November 3, 2026 ballot for Cameron County Commissioner, Precinct 4, per the county elections office's certified candidate list. No campaign website or questionnaire response was found as of September 6, 2026; the official roster and election filing is the only verifiable source for Oscar Guerra.
Democratic · Incumbent
Ruiz is a Marine Corps veteran who deployed to Iraq, later earned a law degree from South Texas College of Law and worked as a Cameron County assistant district attorney before being sworn in as Precinct 4 commissioner in March 2016, per the county's official biography.