Nearly 150,000 mail ballots rejected in California's primary despite efforts to count every vote

Summary by The San Francisco Editorial Desk · Based on reporting by Michael R. Blood | The Associated Press, NBC Bay Area (KNTV, NBC) · July 24, 2026 · 5 min read

Nearly 150,000 California voters had their mail-in ballots rejected for the state’s June primary, a spike from recent elections even as the state attempts to make voting easier with the goal of boosting participation and counting every ballot. California has become notorious for its ponderously s...

Why this matters in The San Francisco

The rejection of nearly 150,000 mail ballots in California's primary has significant implications for San Francisco voters, who are accustomed to exercising their right to shape the state's governance. The fact that lateness was the primary driver of rejections, with 93,479 ballots disqualified due to late postmarks, suggests that voters in San Francisco and other urban areas may need to adjust their voting habits to ensure their ballots are counted. As the city's residents continue to rely on mail-in ballots, they must be aware of the potential pitfalls, including postal service changes that may affect postmark timing. The California Voter Foundation's concerns about the late surge in ballots and chaotic gubernatorial race also resonate in San Francisco, where voters often wait until the last minute to make their decisions. To boost participation and ensure every vote counts, San Francisco election officials and advocacy groups may need to re-examine their voter education efforts and work with the postal service to streamline the voting process.

About this story

Original reporting by NBC Bay Area (KNTV, NBC). The San Francisco surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page.

For the complete original report, visit NBC Bay Area (KNTV, NBC). Have a tip or correction? Contact our newsroom.

Category: government · Published: July 24, 2026 · Source: NBC Bay Area (KNTV, NBC) · Reading time: 5 min

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Summary created by	The San Francisco Editorial Desk — automated, rule-governed
Original reporting	Michael R. Blood \| The Associated Press, NBC Bay Area (KNTV, NBC)
Original story	Read at the source
Source published	Jul 24, 2026
Indexed here	Jul 25, 2026
AI assistance	Automated summary drawn from the source’s own published text
Prepublication human review	No — editorial rules, flagged-item review, and published samples

Nearly 150,000 mail ballots rejected in California's primary despite efforts to count every vote

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