[6][7] As a first-term legislator, Hilbert carried eight bills that were signed into law, was an assistant majority whip and served on three appropriations subcommittees.

[8] In January 2019, Hilbert was named vice chair of the House Appropriations & Budget Committee as a second-term legislator.

[11] Hilbert was the House author of Senate Bill 271, which required all state agencies to annually disclose and rank all federally affiliated funds, programs and priorities.

[12] Hilbert championed several major pieces of legislation, including Senate Bill 609, which overhauled Oklahoma's ad valorem tax reimbursement system,[13] and The DRIVE Act, which established an equitable tax structure for electric vehicles in the state of Oklahoma.

[19] In 2022, he authored legislation requiring school library programs to be reflective of community standards when evaluating new and existing materials.

During the committee vote, Speaker Pro Tem Kyle Hilbert of Bristow "had to be tracked down to break a 5-5 tie and keep the bill moving.