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.
RepublicanIn office until January 1, 2027

Brian Jones

California State Senator, District 40 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

California State Senator, District 40

In office
7 yrs
Since 2018
Bills became law
6
29 sponsored, 2025–2026 session
Votes missed
10.3%
Chamber median 4.2%
With party
99%
On votes splitting the parties
Last margin
+6.3
Won 2022

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

Committees

As of 2026-10.

  • Privacy, Digital Technologies and Consumer Protection · vice chair
  • California-Mexico Cooperation and Dialogue Select
  • Fisheries and Aquaculture
  • Hydrogen Energy Select
  • Insurance

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

Legislation

2025–2026 session · 29 sponsored · 6 became law
BillIntroCmteSenateHouseLaw
SB 1256 Subdivision Map Act: action or proceeding.
SubdivisionMapAct · Became law Sep 2026
SB 1307 False or forged instruments.
Falseorforgedinstruments · Became law Sep 2026
SB 1150 Cancer data: notifications.
Cancerdata · Became law Sep 2026
SB 586 Off-highway electric motorcycles.
Off-highwayelectricmotorcycles · Became law Oct 2025
SB 380 Sexually violent predators: transitional housing facilities: report.
Sexuallyviolentpredators · Became law Oct 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Jones sits in the California State Senate

Jones is closer to the center than 0% of the chamber's Republicans.

Dem. medianRep. medianJonesMore liberalMore conservative

Closest: Kelly Seyarto, Steve Choi, Roger Niello

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

With Jones’s party

  • Votes with the chamber's Republicans99%
  • Cosponsorships of the other party's bills20%

Black tick: the average of Republicans in the California State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillJonesRep. majorityDem. majorityResult
Aug 31, 2026AB 1156: Williamson Act contracts: cancellation fees: photovoltaic solar facilities.NoNoYesPassed 21–14
Aug 31, 2026AB 1642: Wildfires: contamination standards.NoNoYesPassed 30–2
Aug 30, 2026AB 28: Solid waste landfills: subsurface temperatures.Not votingNoYesPassed 31–3
Aug 30, 2026AB 1198: Public works: prevailing wages.NoNoYesPassed 31–9
Aug 30, 2026AB 2434: Inmates: visitation.NoNoYesPassed 30–9

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

Career

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

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.

YearRaceResultMargin
2022California State Senate, District 40WonR+6.3
2018California State Senate, District 38WonR+6.0
2014California State Assembly, District 71WonR+41.2
2012California State Assembly, District 71WonR+26.2
2010California State Assembly, District 77WonR+29.5

Source: 99chambers results archive

Seats Jones has held

Source: 99chambers results archive

Who Jones has run against

  • Joseph C. Rocha (D) · 2022 general, won
  • Jeff Griffith (D) · 2018 general, won
  • Tony Teora (R) · 2014 general, won
  • Patrick J. Hurley (D) · 2012 general, won
  • Mark Hanson (D) · 2010 general, won

Source: 99chambers results archive

How we know Jones

One person, matched across every source we use.

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