Complete a voter registration application card from the Texas Secretary of State Website. Select "Replacement" and fill out the application online. Print, sign and mail or fax the application to:
Voter Registration Office 1103 S. Frio, Ste. 100 San Antonio, TX 78207
Fax: 210-335-6624
You may also mail or fax a signed written request for a replacement card to the address above.