From The Texas Tribune:
What do I need to know about mail-in voting?
How do I know if I’m eligible to vote by mail?
Disclosure: The Texas Secretary of State has been a financial supporter of The Texas Tribune, a nonprofit, nonpartisan news organization that is funded in part by donations from members, foundations and corporate sponsors. Financial supporters play no role in the Tribune’s journalism. Find a complete list of them here.
What do I need to know about going to the polls?
How does primary voting work?
Curbside voting: You can also contact your county elections office to determine if you’re eligible for curbside voting, which must be made available at every polling place. Some counties have designated parking spots for curbside voters, while others use a doorbell-like system so poll workers know to bring out a portable voting machine.
What dates do I need to know?
Early voting in person runs from May 16-20.
By when do I need to mail my ballot?
What’s on the ballot?
Voters will make the final call in Democratic and Republican primary races that were left undecided after the March 1 election.