Serving in the Texas Senate since 1983, Whitmire boasts about $11 million in his campaign account.
The announcement makes him the 23rd House lawmaker not seeking re-election to their current position.
The ad was provided by an organization named the Conservative Response Team.
He cites a lack of action and attention on the incumbent’s part, as well as a concern that no one is standing up to big government mandates.
She joins two other announced Democrat candidates for the position leading up to the 2022 primary election.
The move increases the current number of Republicans in the Texas House of Representatives.
Contingent on Congressman Gohmert making his run for Texas Attorney General official, a potential domino effect might follow.
His announcement makes for 19 House and 4 Senate lawmakers not seeking reelection thus far.
The list currently includes 16 lawmakers from the House and Senate, as well as all of the Republican challengers to Gov. Greg Abbott.
Having lost re-election to VanDeaver in 2014 and unsuccessfully challenged him in 2016, will new district boundaries help this time?