Meijer accepted the 2020 presidential election results, announcing publicly that he accepted the outcome and recognized Joe Biden as president-elect. After experiencing the 2021 storming of the United States Capitol, he called on Republicans to take responsibility for their "lies" about election fraud. On January 13, 2021, he voted to impeach Donald Trump alongside nine other Republicans. The next day, Meijer stated in an interview with MSNBC that he had purchased body armor and made changes to his daily schedule due to threats against his life in reaction to his vote for impeachment. On January 20, 2021, the day of the inauguration of Joe Biden, Meijer was one of 17 newly elected House Republicans to sign a letter congratulating Biden and expressing hope of working across the partisan divide.

On May 23, 2021, Meijer condemned Representative Marjorie Taylor Greene's comparison between having to wear face masks on the House and the Holocaust. He was the first Republican to condemn Greene's remarks and said that "such comparisons demean the Holocaust and contaminate American political speech."

On May 19, 2021, Meijer became one of 35 Republicans who joined all Democrats in voting to approve legislation to establish the January 6, 2021 commission meant to investigate the storming of the U.S. Capitol.

In June 2021, Meijer was one of 49 House Republicans to vote to repeal the AUMF against Iraq.

In 2021, Meijer was one of 29 Republicans to vote to reauthorize the Violence Against Women Act. This bill expanded legal protections for transgender people, and contained provisions allowing transgender women to use women's shelters and serve time in prisons matching their gender identity.

On October 21, 2021, Meijer was one of nine House Republicans who voted to hold Steve Bannon in contempt of Congress.