stanvote.gov (opens in a new tab)Stanislaus County Registrar of Voters -- official "Unofficial Candidate List," General Election Nov. 3, 2026 (timestamped by the county 7:57 AM 8/31/2026, refetched fresh for this shard): under "CITY OF RIVERBANK," lists exactly two contests -- Council Member, District 1 (Nai N. Sosongkham, Jeanette Reyes, Sherry Fenn, *Luis Uribe) and Council Member, District 3 (Carissa Commons, Sammi Martinez, neither flagged incumbent) -- with no Riverbank Mayor contest anywhere in the document.
riverbank.org (opens in a new tab)City of Riverbank -- own "Candidate List" pull-sheet ("Updated: 08/12/2026 @ 5:00 P.M.," the close of the extended nomination period): the City Clerk's real-time filing record showing papers-pulled/filed/verified dates for every person who pulled nomination papers in each district, including the two District 1 filers (Daymond Mayfield, George Serna) who did not go on to qualify for the final ballot, and naming District 3's sitting officeholder as "Appointed Incumbent John Pimentel."
riverbank.org (opens in a new tab)City of Riverbank -- own "Notice of Nominees for Public Office" (posted August 13, 2026; published August 19, 2026): the final, post-verification certified roster, listing "For Member of City Council District 1 -- Vote for One: Luis Uribe, Jeannette Reyes, Sherry Fenn, Nai Nicholas Sosongkham" and "For Member of City Council District 3 -- Vote for One: Carissa Commons, Sammi Martinez."
riverbank.org (opens in a new tab)City of Riverbank -- own statutory "Notice of Election" (published July 1, 2026, per Elections Code 10224.5): states unambiguously that only two offices are up this cycle -- "One Member of the City Council - District 1" and "One Member of the City Council - District 3," each a full 4-year term -- confirming no Mayor or District 2/4 race exists in Riverbank this November, and that both offices drew more than one nominee, so neither is an Elections Code Section 10229 direct appointment.
riverbank.org (opens in a new tab)City of Riverbank -- own live "Elections" page: the City Clerk/Elections Official's index of 2026 election documents, linking the Candidate List, Notice of Nominees, and Notice of Election cited separately above.
riverbank.org (opens in a new tab)City of Riverbank -- own live "City Council" page: names the current roster -- Mayor Rachel Hernandez (at-large), District 1 Luis Uribe, District 2 Cindy Fosi, District 3 Vice Mayor John C. Pimentel, District 4 Stacy Call -- the decisive independent confirmation that the county candidate list's Riverbank block (specifically its "*Luis Uribe Incumbent" line) belongs to Riverbank and not a neighboring Stanislaus city.
en.wikipedia.org (opens in a new tab)Wikipedia -- "Riverbank, California": used narrowly for the 2020 Census population figure (24,865); does not mention the 2026 city council races.
riverbank.org (opens in a new tab)City of Riverbank -- own live "Campaign Financing" / FPPC Statement Filings page: as of this retrieval, lists exactly one 2026 candidate committee -- Luis Uribe's "Vote Luis Uribe 2026" (Form 410 Initial only, no Form 460 on file) -- and no committee at all for any of Sosongkham, Reyes, Fenn, Commons, or Martinez. A second 2026 committee on the same page, "Voters for Farmland," is tied to Riverbank's Measure M ballot initiative, not to any candidate in these two contests, and is not cited for either candidate profile.
riverbank.org (opens in a new tab)"Vote Luis Uribe 2026" FPPC Form 410 (Statement of Organization), filed with the City of Riverbank -- the source PDF itself is a scanned image with no extractable text layer, so only its existence and committee name, per the Campaign Financing page's own index, are cited here; no filing date could be machine-read from the document itself.

Last updated September 1, 2026.

City of Riverbank

Riverbank City Council, District 1

This person would represent one of Riverbank's four City Council districts. They would vote on city laws, the budget, and land use. Riverbank is a Stanislaus County city of about 24,865 residents. Riverbank uses a council-manager government. A professional City Manager runs day-to-day operations. The elected council sets policy. The Mayor is elected at-large, citywide, and is not on this ballot. Rachel Hernandez has held the Mayor's office since her 2024 election. The four council seats are elected by district to staggered 4-year terms. Districts 1 and 3 are up this November.

Four candidates are running for Riverbank's District 1 council seat. Incumbent Luis Uribe faces three challengers. They are Nai Nicholas Sosongkham, Jeannette Reyes, and Sherry Fenn. Whoever gets the most votes on November 3 wins. There is no runoff.

This seat is one of Riverbank's four district-elected City Council seats, alongside a citywide-elected Mayor. Councilmembers vote on the city's budget, ordinances, and land use; day-to-day operations run through a professional City Manager. Riverbank's council seats serve staggered 4-year terms -- Districts 2 and 4, and the Mayor, aren't up again until their own terms expire.

Two other people pulled nomination papers for this seat but did not go on to qualify for the final ballot: Daymond Mayfield and George Serna, per the city's own filing record. Only the four names below appear on the City Clerk's certified Notice of Nominees.

Luis Uribe

Luis Uribe is Riverbank's sitting District 1 councilmember, seeking reelection. Their ballot designation is "Incumbent." They are the only candidate with a campaign committee on file. That is true across both of Riverbank's 2026 council races. Their committee, "Vote Luis Uribe 2026," has registered with the city. It has not yet filed a financial disclosure. They were the first District 1 candidate to pull nomination papers, on July 13, 2026. They filed them the next day, July 14. No other news profile or campaign website was found for them beyond their committee filing and council service.

Nai Nicholas Sosongkham

Nai Nicholas Sosongkham is challenging incumbent Uribe for the District 1 seat. Their ballot designation is "Non-Profit Program Manager." They pulled nomination papers second, on July 14, 2026. They filed and were verified later, on August 5, 2026. No campaign committee, news profile, or campaign website was found for them beyond their city filing.

Jeannette Reyes

Jeannette Reyes is challenging incumbent Uribe for the District 1 seat. Their ballot designation is "Community Engagement Coordinator." They pulled nomination papers on July 23, 2026. They filed them August 3 and were verified August 6. They were the last of the four candidates to finish filing. No campaign committee, news profile, or campaign website was found for them beyond their city filing.

Sherry Fenn

Sherry Fenn is challenging incumbent Uribe for the District 1 seat. Their ballot designation is "Private Investigator." They pulled nomination papers on July 20, 2026. They filed them August 5 and were verified August 6. No campaign committee, news profile, or campaign website was found for them beyond their city filing.

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