Arkansas House of Representatives

Lamoureux won election to the Arkansas House of Representatives in November 2002, and was seated in the 84th Arkansas General Assembly at age 26. He served in the House and won re-election twice until declining to seek reelection in the November 2008 election. Throughout his time in the House, Lamoureux was part of the Republican minority, though the party was slowly gaining seats each cycle, and Republican Governor of Arkansas Mike Huckabee was term limited out on January 9, 2007.

2009 Arkansas Senate (Special)

Russellville Republican Sharon Trusty resigned from her Arkansas Senate District 4 seat on September 1, 2009, citing family needs, leading to a special election. Lamoureux had previously campaigned for Trusty in 1996, and sought the seat in the special election.^[3] On December 16, 2009, Lamoureux won the special election to fill the District 4 seat.^[4][5] In a low-turnout contest, he polled 2,955 votes (70.1 percent); the Democrat John Burnett trailed with 899 votes (21.3 percent). The remaining 8.6 percent of the ballots went to the Independent Tachany Evans.^[6]

In 2011, Senator Lamoureux introduced a bill to double vehicle title fees.^[7]

2012 Arkansas Senate

Lamoureux won re-election to a full Senate term in November 2012 without opposition in the Republican primary or the general election. Following the November 2012 elections, Lamoureux was nominated by fellow senators to be the President Pro Tempore of the Senate in ahead of the 89th Arkansas General Assembly. Now in the majority for the first time since the Reconstruction era,^[8] the Republican met frequently with Democratic Governor Mike Beebe.^[1]

He has been a member of the board of directors of the conservative interest group, the American Legislative Exchange Council.