MARTINEZ -- May 27 at 5 p.m. is the deadline for the Contra Costa County Elections Office to receive ballot-by-mail requests for the June 3 gubernatorial primary election.

The office urges voters to submit their request as soon as possible to allow sufficient time to receive, fill out and submit the ballot before the polls close at 8 p.m. June 3.

Any voter registered in the county may apply for a mail ballot. An application is available on the last page of the Sample Ballot booklet. Ballots also can be requested by sending an email to voter.services@vote.cccounty.us. Email requests must include the voter's name, date of birth, address and mailing address.

Voters can also vote in person or drop off a ballot at the Elections Office, 555 Escobar St., Martinez, from 8 a.m. to 5 p.m. on Election Day, or between 9 a.m. and 3 p.m. May 31.

Citizens naturalized after May 19 can register and vote between May 20 and June 3 at the Elections Office and must bring their Certificate of Naturalization.

More information is available at www.cocovote.us or by calling the Elections Office at 925-335-7800 or toll-free at 877-335-7802.

Contact Tom Lochner at 510-262-2760. Follow him at Twitter.com/tomlochner.