sonomacounty.gov (opens in a new tab)Sonoma County Registrar of Voters -- "Local Candidates Who Have Filed," November 3, 2026 General Election: lists exactly two Rohnert Park "CITY CONTESTS" -- City Council Districts 2 and 5, each Elect 1 -- with per-contest candidate name, ballot designation, qualification date, and incumbent flag; carries the page's sitewide "not final or official" disclaimer. Page last updated 8/17/26, unchanged on a live re-check 2026-09-01 after both the regular (Aug. 7) and extended (Aug. 12) nomination deadlines had passed.
rpcity.ca.gov (opens in a new tab)City of Rohnert Park -- own "Candidate Resources" page: independently names the identical six-candidate, two-district field with each candidate's own contact information, and states the nomination period for the November 3, 2026 election "is officially closed." Notes that Form 700 and candidate biographical materials are available "by appointment only, upon request" through the City Clerk's office -- the city does not post candidate statements online for this cycle.
rpcity.ca.gov (opens in a new tab)City of Rohnert Park -- own "City Elections" page: states directly that the November 3, 2026 General Municipal Election includes a District 2 and a District 5 City Council seat, each a 4-year term, alongside Measure K (a citywide ballot measure; measures are descoped from display in this dataset).
rpcity.ca.gov (opens in a new tab)City of Rohnert Park -- own "By-District Elections Transition" page: confirms the city adopted five City Council districts by Ordinance No. 944 on Feb. 25, 2020, transitioning from at-large elections after seven public hearings; references a staggered "election order of each district" without stating the full six-year rotation schedule.
rpcity.ca.gov (opens in a new tab)City of Rohnert Park -- own "Meet My City Council" page: independently confirms Susan Hollingsworth Adams as the sitting District 5 councilmember (corroborating the county roster's incumbent flag) and Emily Sanborn as the city's current Mayor while representing District 2 -- no candidate named Sanborn appears among District 2's three 2026 filers.
en.wikipedia.org (opens in a new tab)Wikipedia -- "Rohnert Park, California": used narrowly for the 2020 Census population (44,390) and the city's council-manager government structure -- does not cover the 2026 election.
southtechhosting.com (opens in a new tab)A documented financial-disclosure access gap: Rohnert Park's own "Campaign Statement Filings" page links a SouthTech Hosting "Web Retrieval" portal for statements filed on or after July 17, 2023, and a companion "eCampaign" filer portal. Both load (HTTP 200), but a direct inspection of the served HTML shows an ASP.NET WebForms application driven entirely by client-side __VIEWSTATE/__PostBack controls, with no static candidate or filer data and no URL-parameter or REST-API path this session's fetch tooling could reach (no browser extension connected this pass) -- the same client-side-gated pattern documented elsewhere in this dataset for NetFile-hosted portals, on different vendor infrastructure. No FPPC Form 460, 470, or 501 could be confirmed present or absent for any of the six candidates.

Last updated September 1, 2026.

City of Rohnert Park

Rohnert Park City Council, District 5

Council members vote on Rohnert Park's budget, ordinances, and land use. The city has a five-member Council elected by district. Each seat serves a four-year term. This November's ballot includes District 2 and District 5. This dataset could not confirm how Rohnert Park selects its Mayor.

Incumbent Susan Hollingsworth Adams faces two challengers for the District 5 seat. One is Mauricio Barreto. Barreto is a retired peace officer. The other is Arlene G. Linder. Linder is a retired artist. The top vote-getter on November 3 wins. There is no runoff.

Councilmembers vote on Rohnert Park's city budget, ordinances, and land use. The city had 44,390 residents in the 2020 Census. Rohnert Park is a council-manager city in Sonoma County. A professional city manager runs the city day to day. The five-member elected Council sets policy. The city moved from at-large to district Council elections in 2020. It adopted five districts by Ordinance No. 944. Each seat serves a 4-year term. Only Districts 2 and 5 are up this November. When the other three districts next come up could not be confirmed.

The county's own candidate roster labels itself not final or official, pending a later posting. But every candidate here qualified before the extended August 12 nomination deadline. The city's own Candidate Resources page confirms the same field. It states that the nomination period is officially closed. So this race can be treated as settled. Santa Rosa posts candidate statements online. Rohnert Park does not do so for this cycle. The city's page says biographical materials and Form 700 filings are available by appointment only, upon request. Voters must ask the City Clerk's office for them.

Susan Hollingsworth Adams

Susan Hollingsworth Adams is the sitting District 5 councilmember. They are running for reelection. Their ballot title is simply Incumbent. No campaign website was found for them. No news profile turned up either.

Mauricio Barreto

Mauricio Barreto is challenging Adams for the seat. Their ballot title is Retired Peace Officer. No campaign website was found for them. No news profile turned up either.

Arlene G. Linder

Arlene G. Linder is also challenging Adams. Their ballot title is Retired Artist. No campaign website was found for them. No news profile turned up either.

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