SACRAMENTO — At a ceremony in the State Capitol, Mariko Yamada (D-Davis) was sworn into office Dec. 3 as the representative for California’s newly-drawn 4th Assembly District.

Assemblymember Mariko Yamada takes the oath of office on the floor of the Assembly. At right is her husband, Janlee Wong.

Although this is Yamada’s third term, she will be representing a constituency that is 68 percent new following the statewide redistricting approved in 2011. The 4th District includes portions of her previous district in Solano and Yolo counties, but now includes all of Lake and Napa and parts of Colusa and Sonoma counties.

“I am honored to continue serving in the State Legislature, and am ready to get to work on behalf of all our constituents in the big, beautiful new 4th District,” Yamada said.

Yamada takes her place as part of an historic Democratic supermajority in both houses of the Legislature, the first in California for nearly 130 years.

“This unexpected Assembly supermajority presents a great opportunity to recover, rebuild, and reform our state,” she said. “As our legislative leaders and the governor have already indicated, we will move California forward, but wisely and with restraint.”

Among Yamada’s priorities are sustaining agriculture; protecting the water supply; veterans’ affairs; and jobs and the economy. She also chairs the Assembly Aging and Long-Term Care Committee, an issue area that is increasing in importance with the “aging out” of the baby boomer generation. In addition, she will continue to focus on providing high-quality constituent services.

Over the past four years, Yamada’s district office staff has mitigated over 1,000 constituent cases, ranging from helping the jobless navigate the unemployment benefits system to taking on the Medi-Cal program on behalf of residents in need.

Constituents seeking information or assistance with state agencies may contact Yamada’s current district office by calling (707) 455-8025 or by emailing Information regarding the new district office locations is forthcoming.

Yamada is a professional social worker by training, and has served nearly four decades in public service at the local, state, and federal levels, and in non-profit community settings. She and her husband of 29 years reside in Davis, and are the parents of two adult daughters.

For more information, visit her website at

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