Glass House: California Legislator Tracker


Mark Stone


Assembly Democrat

District 29

Time in office

Assembly: 2012-2022


County Supervisor


Legislator is no longer in office. This page is for archival purposes. It reflects the last district this legislator represented when they were in office.

Biographical information

Birth Place

Santa Barbara, CA






June 17, 1957

Identifies as


See our data sources →

CalMatters coverage about this legislator

Newsom relents, signs farmworker union bill after pressure from Biden and labor

By Jeanne Kuang, September 28, 2022

The Diablo is in the details

By Emily Hoeven, September 1, 2022

Newsom faces two tough labor decisions

By Emily Hoeven, August 30, 2022

See all articles →

Other legislators

Here are any other legislators from Assembly District 29 we have profiles for since CalMatters launched the Legislator Tracker in 2021.

Robert Rivas

Robert Rivas (currently in office)

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