It is currently represented by Democrat Mia Bonta of Alameda after winning the special election.

She is married to the current State Attorney General Rob Bonta, who was the former representative of the district.

The district encompasses the central East Bay, centered on the city of Oakland.

Due to redistricting, the 18th district has been moved around different parts of the state.

Primary was June 29, 2021; Special (label as General) on August 31, 2021.