Cancel Registration

If you’ve moved out of San Mateo County, please cancel your voter registration.

Just fill out the Authorization to Cancel Voter Registration form and sign and date it.

You may return it by mail, email or fax:

Mail

San Mateo County Registration & Elections Division
40 Tower Road
San Mateo, CA 94402

Email

registrar@smcacre.org

Fax

650.312.5348

If you have any questions, please contact us at 650.312.5222.