Special elections for the 32nd Middlesex House District and Plymouth and Barnstable Senate District have been scheduled by their respective legislative bodies.

Both seats were vacated when their officeholders left for executive positions.

Rep. Paul Brodeur, a Democrat, resigned after winning the Melrose mayoral election.

Sen. Vinny DeMacedo, Republican from Plymouth, stepped down to become director of regional partnerships at Bridgewater State University.

The 32nd Middlesex primary election will be held on February 4, and a general election will be held on March 3.

The Plymouth and Barnstable primary election will be held on March 3, and a general election will be held on March 31.