California's 30th State Assembly district is one of 80 California State Assembly districts.

It is currently represented by Democrat Dawn Addis of Morro Bay.

On December 21, 2021 the new Assembly District 30 Map has been finalized.

[2] The district encompasses many of the seaside towns of the Central Coast, spanning parts Monterey, San Luis Obispo, and Santa Cruz Counties.

Due to redistricting, the 30th district has been moved around different parts of the state.