According to the Secretary of State’s office, to be eligible to register to vote in Texas, you must:

• be a United States citizen;
• be a resident of Harris County;
• be 18 years old (you may register at 17 years and 10 months of age);
• not be a convicted felon (unless your sentence is completed, including any probation or parole); and
• not have been determined by a final judgment of a court exercising probate jurisdiction to be:
  • totally mentally incapacitated; or
  • partially mentally incapacitated without the right to vote.

• Voter Registration Applications may be obtained by:
  • Calling us at (713) 755-6965
  • Sending your request by mail. The mailing address is: Isabel Longoria, Elections Administrator, P.O. Box 3527, Houston TX 77253-3527; or
  • Requesting an application online.

• You may register to vote at any time.
• Complete a postage-free post card application and mail it, or take it in person to: Our main office at 1001 Preston, 2nd Floor, Room 200, in Downtown Houston; or the Election Technology Center, located at 11525 Todd St., Houston, 77055.
• You must be at least 17 years and ten months of age on the date your application is submitted.
• Your application must be submitted 30 days before the election date for you to be eligible to vote in that election.
• Your spouse, parent or child (acting as an agent) may complete and sign a voter registration application for you, provided that this person is a registered voter, or has applied for voter registration.
• If any of the information on the application is incomplete, you will be notified and required to send a second application. The second application must be received by the Harris County Elections Administrator within 10 days of the notice date.