California election officials will continue to accept mail-in ballots postmarked by Election Day that arrive up to seven days afterward, a policy upheld by current state law. While some states have moved to restrict late-arriving ballots, California’s Election Code Section 3020(b) maintains the extended window, provided the ballot is postmarked on or before Election Day.
Why California Maintains the Seven-Day Window
California’s policy is rooted in the state’s transition to a permanent vote-by-mail system. According to the California Secretary of State’s office, the seven-day period accounts for potential delays in the United States Postal Service (USPS) delivery process.
This window is not a recent judicial invention but a long-standing legislative choice. Under state law, as long as a ballot is postmarked by the time polls close on Election Day, it remains valid. This ensures that voters who drop their ballots in the mail late in the cycle are not disenfranchised by logistical transit times.
Comparison: California vs. Other Jurisdictions
The approach to mail-in ballots varies significantly across the United States, creating a patchwork of election administration standards.
| State | Policy on Late-Arriving Ballots |
|---|---|
| California | Accepted if postmarked by Election Day and received within 7 days. |
| Florida | Must be received by the Supervisor of Elections by 7:00 p.m. on Election Day. |
| Texas | Must be received by 5:00 p.m. the day after Election Day (if postmarked by Election Day). |
| Arizona | Must be received by 7:00 p.m. on Election Day. |
While California allows a week for transit, many states, such as Florida and Arizona, require ballots to be physically in the hands of election officials by the time polls close. This difference in state law often leads to extended vote-counting periods in California compared to states with stricter "receipt-by-deadline" requirements.
The Impact on Election Night Reporting
Because California accepts these ballots, the final tally is rarely complete on election night. The California Secretary of State notes that the counting process is a multi-step verification procedure. Once a ballot arrives, election officials must verify the voter’s signature against their registration record before the ballot can be processed and tabulated.

This verification process is required for all mail-in ballots, regardless of when they arrive. Consequently, the volume of ballots arriving in the days following the election frequently shifts the vote totals, a phenomenon often referred to as the "blue shift" or "red shift," depending on the partisan lean of the late-arriving ballots.
Frequently Asked Questions
Does a ballot have to be postmarked?
Yes. For a ballot arriving after Election Day to be counted, it must bear a postmark or other proof of mailing on or before Election Day.
Can I track my ballot?
Yes, California voters can use the BallotTrax system to monitor the status of their ballot from the time it is mailed to when it is officially counted by their county elections office.
Why does it take so long to get final results in California?
The combination of universal mail-in voting, the seven-day receipt window, and the legal requirement to verify every signature means that final, certified results are typically not available until weeks after the election. Counties have up to 30 days to certify their results, a timeframe established by state law to ensure accuracy and security in the tabulation process.