On September 23, 2019, Boardman was selected to be a United States magistrate judge of the District of Maryland. She was sworn into office on September 25, 2019.[5] Her service as a magistrate judge was terminated when she was sworn in as a district court judge.[6]
District court service
On March 30, 2021, President Joe Biden announced his intent to nominate Boardman to serve as a United States district judge of the United States District Court for the District of Maryland. On April 19, 2021, her nomination was sent to the Senate. President Biden nominated Boardman to the seat vacated by Judge Richard D. Bennett, who had announced his intent to assume senior status upon the confirmation of his successor.[7] On May 12, 2021, a hearing on her nomination was held before the Senate Judiciary Committee.[8] On June 10, 2021, her nomination was reported out of committee by an 11–10 vote, with Senator Lindsey Graham voted "present".[9] On June 23, 2021, the United States Senate invoked cloture on her nomination by a 52–48 vote.[10] Her nomination was confirmed later that day by a 52–48 vote.[11] She received her judicial commission on June 25, 2021.[6] She was sworn in on July 1, 2021.[12]