Suisun City voters are served by the Solano County Registrar of Voters, located at 675 Texas Street, Suite 2600, Fairfield, CA 94533 (phone: 707-784-6675, website: https://www.solanocounty.com/depts/rov). The office handles all federal, state, county, and municipal elections for residents, maintains voter registration records, processes vote-by-mail ballots, and certifies results. Hours run Monday through Friday from 8:00 AM to 5:00 PM, with extended availability before elections.
California offers online voter registration through the Secretary of State's website at https://registertovote.ca.gov. Eligibility requires U.S. Citizenship, California residency, being at least 18 years old by election day, and not currently serving a state or federal prison term for a felony conviction. The registration deadline falls 15 days before any election. California also provides conditional voter registration, which allows eligible citizens to register and vote provisionally at vote centers during the 14-day period before Election Day and on Election Day itself. Voters may register with any qualified political party, choose "No Party Preference," or decline to state a preference. Online registration requires a California driver's license or ID number, or alternatively the last four digits of a Social Security number. Municipal elections in Suisun City fill seats for the mayor and four city council members, all serving four-year staggered terms. The city consolidates its elections with statewide general elections held in November of even-numbered years.Current federal, state, and local election schedules, ballot contests, candidate filings, and certified results for Suisun voters are published by the California Secretary of State (https://www.sos.ca.gov/elections). Candidates file nomination papers with the Solano County Registrar of Voters beginning in July of the election year. Local ballot measures covering tax increases, bond issues, and advisory questions may also appear on city ballots, requiring either majority or two-thirds approval depending on the measure type. Information about local candidates and measures is available through the Registrar's office and on the city's website at https://www.suisun.com. Residents can locate their assigned vote center using the online lookup tool at https://www.solanocounty.com/depts/rov/voter_information/where_to_vote.asp by entering their address. Beginning in 2020, Solano County adopted the Voter's Choice Act model, replacing neighborhood polling places with regional vote centers that remain open for multiple days before Election Day. Any county voter can cast a ballot at any vote center location, regardless of residence address. Centers open at least four days before Election Day, with additional locations available on Election Day itself. Under California law, several categories of election records are available to the public. Voter registration lists showing names, addresses, and party affiliations can be purchased by candidates, political committees, and researchers, though individual voter history, which elections a person voted in, not how they voted, has more restricted access. Campaign finance disclosure reports are filed electronically with the California Secretary of State for state candidates and with the Solano County Registrar of Voters for local candidates. These reports detail contributions and expenditures and are searchable online at http://cal-access.sos.ca.gov for state races and through the Registrar's office for local contests. Candidate statements, nomination papers, and precinct-level election results are also public records available from the Registrar. The county has trended increasingly Democratic in recent cycles, though it remains more politically competitive than many Bay Area counties. House seats representing California. At the Solano County level, several Solano County Board of Supervisors seats will be contested, along with elected department heads such as Sheriff, District Attorney, and Assessor-Recorder. Voters should check the Solano County Registrar's website beginning in summer 2026 for the certified list of candidates and measures. California operates as a universal vote-by-mail state, automatically sending every registered voter a mail ballot for each election. Ballots are mailed approximately 29 days before Election Day. Voters may return mail ballots through the U.S. Postal Service (must be postmarked by Election Day and received within seven days), by dropping them in official drop boxes located throughout Solano County, or by delivering them to any vote center. Those who prefer voting in person may do so at vote centers, either by surrendering their mail ballot or casting a provisional ballot if they did not bring their mail ballot. Military and overseas voters can request ballots electronically and return them by fax or email under federal law.