The following state legislators have announced their plans regarding re-election and retirement – leaving open seats for the 2018 ballot.
- HD 4 – Inc. Lance Gooden is running for CD 5
- HD 8 – Inc. Byron Cook is not seeking re-election
- HD 13 – Inc. Leighton Schubert is not seeking re-election, will retire on February 4th meaning a special election near the primary elections
- HD 15 – Mark Keough is running for Montgomery County office
- HD 45 – Inc. Jason Isaac is running for CD 21
- HD 52 – Inc. Larry Gonzales is not seeking re-election
- HD 62 – Inc. Larry Phillips is not seeking re-election
- HD 89 – Inc. Jodie Laubenberg is not seeking re-election
- HD 106 – Inc. Pat Fallon is running for SD 30
- HD 109 – Inc. Helen Giddings is not seeking re-election
- HD 113 – Inc. Cindy Burkett is running for SD 2
- HD 121 – Inc. Speaker Joe Straus is not seeking re-election
- HD 126 – Inc. Kevin Roberts is running for CD 2
- SD 8 – Inc. Van Taylor is running for CD 3
In addition, 8 of Texas’ Congressional delegation are vacating their seats to challenge or retire.
- CD 2 – Inc. Ted Poe is not seeking re-election
- CD 3 – Inc. Sam Johnson is not seeking re-election
- CD 5 – Inc. Jeb Hensarling is not seeking re-election
- CD 6 – Inc. Joe Barton is not seeking re-election
- CD 16 – Inc. Beto O'Rourke is running for US Senate
- CD 21 – Inc. Lamar Smith is not seeking re-election
- CD 27 – Inc. Blake Farenthold has withdrawn
- CD 29 – Inc. Al Green is not seeking re-election