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

J.D. Mesnard

Arizona State Senator, District 13 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

Arizona State Senator, District 13

In office
7 yrs
Since 2018
Bills became law
25
61 sponsored, 2025–2026 session
Votes missed
0.9%
Chamber median 3.3%
With party
100%
On votes splitting the parties
Last margin
+6.3
Won 2024

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

Committees

As of 2026-10.

  • Finance · chair
  • Education
  • Legislative Budget
  • Legislative Income Tax Credit Review

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

Legislation

2025–2026 session · 61 sponsored · 25 became law
BillIntroCmteSenateHouseLaw
SB 1428 board of supervisors; membership
Became law Jun 2026
SB 1627 schools; prohibition; unmanned aircraft
Became law Jun 2026
SB 1723 domestic violence; release conditions
Became law Jun 2026
SB 1292 PSPRS; investments
Became law Jun 2026
SB 1253 safe haven providers; hospital deliveries
Became law Jun 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Mesnard sits in the Arizona State Senate

Mesnard is closer to the center than 18% of the chamber's Republicans.

Dem. medianRep. medianMesnardMore liberalMore conservative

Closest: Mark Finchem, Wendy Rogers, David Gowan

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:45 PM ET

With Mesnard’s party

  • Votes with the chamber's Republicans100%
  • Cosponsorships of the other party's bills17%

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

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillMesnardRep. majorityDem. majorityResult
Jun 12, 2026HB 2800: ignition interlock devices; violation; classificationNoNoYesPassed 17–12
Jun 12, 2026HB 2305: private towing carriers; regulation; ratesYesYesNoFailed 13–14
Jun 9, 2026HB 2611: group homes; safety; training; rightsYesYesNoPassed 17–12
Mar 9, 2026HB 2993: DPS; legal representation; appropriationYesYesNoPassed 16–13
Mar 4, 2026SB 1627: schools; prohibition; unmanned aircraftYesYesNoPassed 16–13

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

Career

Offices held, and every time Mesnard 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
2024Arizona State Senate, District 13WonR+6.3
2022Arizona State Senate, District 13WonR+3.5
2020Arizona State Senate, District 17WonR+5.0
2018Arizona State Senate, District 17WonR+1.8
2016Arizona House of Representatives, District 17WonD+2.3
2014Arizona House of Representatives, District 17WonD+2.7
2012Arizona House of Representatives, District 17WonD+1.2
2010Arizona House of Representatives, District 21WonD+2.6

Source: 99chambers results archive

Seats Mesnard has held

Source: 99chambers results archive

Who Mesnard has run against

  • Sharon Lee Winters (D) · 2024 general, won
  • Cynthia Hans (D) · 2022 general, won
  • Ajlan Kurdoglu (D) · 2020 general, won
  • Steve Weichert (D) · 2018 general, won
  • Jeff Weninger (R) · 2016 general, won
  • Jeff Weninger (R) · 2014 general, won

Source: 99chambers results archive

How we know Mesnard

One person, matched across every source we use.

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