Congressman Biggs is a member of the House Judiciary and Oversight and Reform committees. He is former chairman of the House Freedom Caucus, co-chair of the Border Security Caucus, co-chair of the War Powers Caucus, and Vice Chair of the Western Caucus.

Congressman Biggs has a lifetime rating of 100% with the Club for Growth, 98% lifetime score with FreedomWorks, 96% lifetime score with Heritage Action, 100% rating in the 116th Congress for National Right to Life, and a 99% career grade from NumbersUSA.