DemocratIn office since Nov 2022

Mia Bonta

California State Assemblymember, District 18 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.

California State Assemblymember, District 18

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 22; 37 sponsored, 2025–2026 session
Votes missed: 7.7%; Chamber median 6.6%
With party: 100%; On votes splitting the parties
Last margin: +58.3; Won 2026
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

CalFresh Enrollment and Nutrition Select · co-chair
Health · chair
Alternative Protein Innovation Select
Budget
Communications and Conveyance
Community Reinvestment Select
Education
Latina Inequities Select
Non-Profit Sector Select
Ports and Goods Movement Select
Reproductive Health Select
Sea Level Rise and the California Economy Select
Serving Students with Disabilities Select
Status of Boys and Men of Color Select

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 37 sponsored · 22 became law

BillIntroCmteHouseSenateLaw

AB 801 Nondiscrimination.
Nondiscrimination · Became law Sep 2026

AB 2434 Inmates: visitation.
Inmates · Became law Sep 2026

AB 1969 California Community Schools Partnership Program: Promise Neighborhoods.
CaliforniaCommunitySchoolsPartnershipProgram · Became law Sep 2026

AB 40 California Environmental Quality Act: environmental impact reports: coal handling, storage, and export.
CaliforniaEnvironmentalQualityAct · Became law Sep 2026

AB 1979 Health care services: artificial intelligence.
Healthcareservices · Became law Sep 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Bonta sits in the California State Assembly

Bonta is closer to the center than 12% of the chamber's Democrats.

Closest: Chris Ward, Gregg Hart, Damon Connolly

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:46 PM ET

With Bonta’s party

Votes with the chamber's Democrats100%
Cosponsorships of the other party's bills17%

Black tick: the average of Democrats in the California State Assembly.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Bonta’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Bonta	Dem. majority	Rep. majority	Result
Sep 1, 2026	SB 886: California Technology Innovation and Ratepayer Protection Act.	Yes	Yes	No	Passed 62–7
Sep 1, 2026	SB 133: Education finance: education omnibus trailer bill.	Yes	Yes	No	Passed 66–9
Aug 31, 2026	SB 1246: Autonomous vehicles.	Yes	Yes	No	Passed 65–11
Aug 31, 2026	SB 1009: Juveniles: detention.	Yes	Yes	No	Failed 24–33
Aug 31, 2026	SB 1301: Residential property insurance: nonrenewals.	Yes	Yes	No	Passed 63–11

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Bonta was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2022202320242025202620272028California State Assembly, District 18

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	California State Assembly, District 18	Won	D+58.3	D+76.1	−17.8
2024	California State Assembly, District 18	Won	D+60.5	D+76.1	−15.6
2022	California State Assembly, District 18	Won	D+79.9	D+82.2	−2.3