There are currently 2 vacant House seats
- New Jersey 11: Mikie Sherrill (D) resigned on November 20, 2025.[5] The special election will be held on April 16, 2026.
- California 1: Doug LaMalfa (R) died on January 6, 2026.[6] The special election will be held on June 2, 2026. A runoff is scheduled on August 4, 2026 if no candidate receives a majority of the vote.