U.S. Supreme Court Rejects Trump’s Mail-In Voting Limits as November Election Nears

Santa Barbara voters heading into the November election will cast their ballots under the same rules they've used in recent years, after the U.S. Supreme Court rejected — for now — the Trump administration's effort to impose new restrictions on mail-in voting through the U.S. Postal Service.

The decision, handed down Monday and reported by the Santa Barbara Independent via CalMatters, comes roughly 50 days before the Nov. 3 midterm election and just weeks before California counties — including Santa Barbara County — begin mailing ballots to every registered voter during the first week of October.

For a county where the majority of voters routinely return their ballots by mail, the ruling removes a cloud of uncertainty that had hung over local election planning.

What the Court Did

At issue were new rules issued by the U.S. Postal Service that would have reshaped how mail ballots are handled nationwide. The Trump administration's plan called for creating a federal database of registered voters that the Postal Service would cross-reference to determine whether mail-in ballots should be delivered only to eligible voters. Under the proposal, the Postal Service would have refused to deliver ballots in states that withhold voter data from the federal government.

The high court rejected the rules for now. In a concurring opinion, Justice Brett Kavanaugh left open the possibility that the Postal Service does have the authority to implement such rules in principle, but wrote that it "would be arbitrary and capricious" to do so during the 2026 elections, because states and local election officials would not have enough time to comply.

That timing-based reasoning means the underlying legal fight over federal authority over mail voting is not necessarily over — but it will not disrupt this November's election.

California Fought the Rules in Court

California was among the states that sued over the Postal Service rules, and had previously challenged a separate executive order issued by President Donald Trump aimed at limiting mail-in voting. California is one of the states that uses universal mail-in voting, meaning ballots are sent automatically to all registered voters.

Gov. Gavin Newsom celebrated the ruling. "Finally, 50 days out, and the American people have certainty when it comes to our country's electoral process: Voting is safe, vote-by-mail is accessible to any and all who need it," Newsom said in a statement. "And I encourage every Californian to make their voice heard this November."

California Attorney General Rob Bonta, whose office led the state's legal challenge, said the stakes of the lawsuit "could not have been higher."

"Had this rule been allowed to take effect, the consequences would have been catastrophic," Bonta said.

Why Santa Barbara Voters Can Breathe Easier

California election officials previously told CalMatters that the state's ballots already largely comply with other changes the administration had sought — including the use of envelopes with scannable barcodes. That meant California was better positioned than many states to weather the new rules.

But other states would have faced immediate, last-minute changes to their ballots and election procedures had the Supreme Court allowed the rules to take effect, and legal observers warned that a patchwork of enforcement could have sown confusion nationwide — confusion that could easily have spilled into states like California through delayed or misdirected mail.

The practical effect locally is continuity. Santa Barbara County voters will again receive ballots in the mail in early October, with the usual options for returning them: by mail, at official drop boxes, or in person at vote centers. Voters can track their ballots through the state's "Where's My Ballot" notification system, and the county elections office encourages voters to verify their registration status well before Election Day, since ballots are sent only to registered voters on file.

What Comes Next

The litigation is not necessarily finished. Kavanaugh's opinion signaled that at least some justices believe the Postal Service may have the authority to regulate mail ballots in future election cycles, meaning similar rules could resurface after November — potentially setting up another court fight ahead of the 2028 presidential election.

For now, though, California's universal vote-by-mail system stands intact. County elections offices across the state, including Santa Barbara's, are proceeding with ballot production and mailing on their normal schedule, county officials have indicated in prior election cycles.

Voters who want to participate in the Nov. 3 election should make sure their registration is current — registration can be completed or updated online through the California Secretary of State's website. Ballots begin going out the first week of October, and completed ballots can be returned any time before the close of polls on Election Day, provided they are postmarked by then and received within the state's counting window.

The Bigger Picture

The ruling is the latest chapter in an ongoing national clash over who controls the rules of voting — states, which have traditionally run elections, or the federal government. California has positioned itself as a leading opponent of federal voting restrictions, and Monday's decision is a significant win for state officials who argued that changing the rules weeks before an election would have upended election administration across the country.

For Santa Barbara residents, the message from state officials is straightforward: the way you voted in the last election is the way you'll vote in this one. With ballots arriving in mailboxes in early October, the countdown to Nov. 3 — and the certainty Newsom touted — is now official.

This story draws on reporting from the [Santa Barbara Independent](https://www.independent.com/2026/09/19/u-s-supreme-court-rejects-trumps-mail-in-voting-limits-as-november-election-nears/) and [CalMatters](https://calmatters.org), a nonprofit, nonpartisan news venture covering California policy and politics.