Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.

DemocratIn office until January 1, 2027

Joaquin Arambula

California State Assemblymember, District 31 since 2004. Did not run for re-election in 2026; leaves office in January 2027.

California State Assemblymember, District 31

Official website Wikipedia

In office: 22 yrs; Since 2004
Bills became law: 8; 37 sponsored, 2025–2026 session
Votes missed: 16.7%; Chamber median 6.6%
With party: 100%; On votes splitting the parties
Last margin: +20.5; Won 2024

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

Community Economic Mobility and Investment Select · chair
Rules · democratic alternate
Aging and Long-Term Care
Appropriations
Downtown Recovery Select
Emergency Management
Fairs, Allocation and Classification
Legislative Emergency Management

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

Legislation

2025–2026 session · 37 sponsored · 8 became law

BillIntroCmteHouseSenateLaw

AB 2270 Low-income housing tax credit: farmworker housing.
Low-incomehousingtaxcredit · Became law Sep 2026

AB 2605 State Public Defender: county public defenders: data collection.
StatePublicDefender · Became law Sep 2026

AB 1575 Lanterman Developmental Disabilities Services Act.
LantermanDevelopmentalDisabilitiesServicesAct · Became law Sep 2026

AB 1600 Disadvantaged communities: farmworker communities.
Disadvantagedcommunities · Became law Sep 2026

AB 1760 Dentistry.
Dentistry · Became law Aug 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Arambula sits in the California State Assembly

Arambula is closer to the center than 71% of the chamber's Democrats.

Closest: Mike Gipson, Lisa Calderon, Darsh Patel

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

With Arambula’s party

Votes with the chamber's Democrats100%
Cosponsorships of the other party's bills23%

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: Arambula’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Arambula	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.	Not voting	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 Arambula was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2004200620082010201220142016201820202022202420262028California State Assembly, District 31 California State Assembly, District 31

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
2024	California State Assembly, District 31	Won	D+20.5
2022	California State Assembly, District 31	Won	D+21.6
2020	California State Assembly, District 31	Won	D+23.8
2018	California State Assembly, District 31	Won	D+29.7
2016	California State Assembly, District 31	Won	D+27.5
2008	California State Assembly, District 31	Won	D+39.1
2006	California State Assembly, District 31	Won	—
2004	California State Assembly, District 31	Won	D+15.4

Source: 99chambers results archive

Seats Arambula has held

California State Assembly, District 31 · since 2016
California State Assembly, District 31 · since 2004

Source: 99chambers results archive

Who Arambula has run against

Solomon Verduzco (R) · 2024 general, won
Dolce Misol Calandra (R) · 2022 general, won
Fernando Banuelos (R) · 2020 general, won
Lupe Espinoza (R) · 2018 general, won
Clint Olivier (R) · 2016 general, won
Clifford Archer (R) · 2008 general, won

Source: 99chambers results archive

How we know Arambula

One person, matched across every source we use.

Open States ocd-person/e2da0f08-1bd8-4ac2-95f1-002870238527

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET