Prince George’s County Executive Angela Alsobrooks resigned from her position Monday morning after winning Maryland’s United States Senate race last month.

Her resignation sets a countywide special election into motion.

“Thank you for your trust and partnership as we worked to build a stronger, united Prince George’s,” Alsobrooks said in a Monday news release announcing her resignation. “Serving the residents of this County has been the honor of my lifetime, and I am deeply proud of all we have accomplished together.”

Alsobrooks won her November U.S. Senate race against former Gov. Larry Hogan with more than 54 percent of the counted votes. She is set to be sworn into the Senate in January.

Alsobrooks was first elected as county executive in 2018 and was reelected in 2022. Before her role as county executive, she was the Prince George’s County State’s Attorney.

The county’s chief administrative officer, Tara Jackson, will serve as acting county executive.

[Angela Alsobrooks wins Maryland US Senate race]

By resigning on Monday, days before she was set to hit two years into her second term on Dec. 5, Alsobrooks narrowly guaranteed a special election for county executive. If Alsobrooks had waited to resign, the next county executive would have been a county council member selected by the council, according to the Prince George’s County code.

A primary election must now happen within 100 days of the resignation, according to county code. The general election must then happen between 40 and 60 days after the primary.

Prince George’s County State’s Attorney Aisha Braveboy, county council chair Jolene Ivey and at-large council member Calvin Hawkins have publicly talked about wanting to run for the county executiveship. Former Prince George’s County Executive Rushern Baker has also expressed interest in the seat, Maryland Matters reported in July.

Ivey, the District 5 council member and incoming at-large member, said in a November email to The Diamondback that she intends to run for county executive in the special election.

Hawkins announced his plans to run for county executive in a statement on Monday afternoon.

“I am confident that my 30 years of experience in county government has prepared me for this awesome responsibility,” his statement read.

Council members Eric Olson, Thomas Dernoga and Ingrid Watson said they had no plans to run for county executive in the special election, their offices told The Diamondback in November.

There could also be another special election in the county after the new executive is selected because so many potential candidates are acting public officials.

News editor Akshaj Gaur contributed to this story.  

This story has been updated.