Nonpartisan · Data from OpenStates / Plural Policy · Arizona
Democratic
· Representative
Chris Mathis
Represents District 18 in the House of Representatives.
Votes with Democrats
98%
on 593 party-line votes · House Democrats median 96%
Cast a vote
87%
Yea or Nay on 1,611 of 1,858 roll calls · House median 96%
Their bills that became law
0 of 28
as a primary sponsor, this session · Democrats median 0
Roll calls on record
1,858
Fifty-seventh Legislature – Second Regular Session (2026)
Votes and bills updated Oct 4, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover Fifty-seventh Legislature – Second Regular Session (2026).
How Chris Mathis votes
A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.
Where Chris Mathis sits in the House
Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. Chris Mathis is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
12 of 593 party-line votes, most recent 10 shown.
SB1205 · Motor vehicle booting; fees; regulation
House – Third Reading · 2026-06-02 · Passed 30–27 · most Democrats voted the other way
SB1763 · School districts; funds; financial reports
Motion · 2026-04-20 · Passed 30–29 · most Democrats voted the other way
SB1763 · School districts; funds; financial reports
Motion test · 2026-04-20 · Passed 30–29 · most Democrats voted the other way
HB2127 · Department of transportation; special plates
House – Third Reading · 2026-03-10 · Passed 38–16 · most Democrats voted the other way
HB2367 · Neighborhood electric vehicles; VLT; exemption
House – Third Reading · 2026-02-26 · Passed 40–13 · most Democrats voted the other way
HB2183 · Emergency medicine; study committee
House – Third Reading · 2026-02-25 · Failed 25–29 · most Democrats voted the other way
HB2447 · Insurance; reimbursement rates; nurse anesthetist
House – Third Reading · 2026-02-25 · Passed 32–22 · most Democrats voted the other way
HB2014 · Fuel formulations; modeling; study; appropriation
House – Third Reading · 2026-02-25 · Passed 38–15 · most Democrats voted the other way
HB2057 · Special plate; centennial; fleet discount
House – Third Reading · 2026-02-25 · Passed 39–14 · most Democrats voted the other way
HB2114 · Motorcycle registration requirements; safety fund
House – Third Reading · 2026-02-23 · Passed 34–23 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB1315 · Public schools; interoperable communications; requirements
House – Third Reading · 2026-04-20 · Failed 25–25
SB1120 · Radiation protection systems; installation requirement
House Health & Human Services Committee Action (FAILED) · 2026-03-23 · Failed 6–6
HB2759 · Appropriation; department of veterans' services
House – Third Reading · 2026-02-25 · Failed 27–27
HB2725 · AHCCCS; prescription drug coverage
House Health & Human Services Committee Action (FAILED) · 2026-02-19 · Failed 6–6
SB1043 · State agencies; virtual currency payments
House – Third Reading · 2026-06-11 · Failed 28–29
Republicans they vote with most
Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.
Sylvia AllenRepublican · District 7 · 217 shared contested votes
29%
Justin WilmethRepublican · District 2 · 562 shared contested votes
27%
Matt GressRepublican · District 4 · 632 shared contested votes
26%
Their session, month by month
Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (247 in all). Gaps are months the chamber wasn’t voting.
← Arizona Delegation
YeaNayNayNayNayYeaNayNayNayNayNayNayYeaYeaYeaNayNayNayYeaYeaNayNayYeaYeaNayNayNayNayNayYeaNayNayYeaYeaNayNayNVNVNayNVNayNayYeaNayNayYeaNayNayNayNayNayNayNayNayNayNayNayNayNayYea
Their bills, from filing to law
Bills Chris Mathis was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.
Introduced28
Out of committee0
Passed one chamber0
Passed both chambers0
Became law0
Never left committee28
For comparison, the median Democratic member of the House has 0 bills that became law this session.
What their bills are about
Waters – Title 45 5State Government – Title 41 5Appropriation 4Environment, The – Title 49 4Counties – Title 11 4Repeal 4
Rural groundwater management areas; establishment
Not out of committeeAssigned to House RULES Committee · 2026-06-13
Power; public utilities; securities; repeal
Not out of committeeAssigned to House RULES Committee · 2026-06-13
Wildfire mitigation planning; utilities; repeal
Not out of committeeAssigned to House RULES Committee · 2026-06-13
Merchants; delivery of goods; warranty
Not out of committeeHouse read second time · 2026-02-12
Appropriation; irrigation grandfathered rights; retirement
Not out of committeeHouse read second time · 2026-02-11
Veterinary practices; ownership; oversight
Not out of committeeHouse read second time · 2026-02-11
Appropriation; medical marijuana; veterans; fees
Not out of committeeHouse read second time · 2026-02-10
Municipal tax increment financing; infrastructure
Not out of committeeHouse read second time · 2026-02-09
Income tax credit; historic preservation
Not out of committeeHouse read second time · 2026-02-09
Multifamily property; water; certificate
Not out of committeeHouse read second time · 2026-01-27
Well-drilling applications; location; GPS
Not out of committeeHouse read second time · 2026-01-27
Energy measuring; reporting prohibition; repeal
Not out of committeeHouse read second time · 2026-01-27
Land division; application; attestation
Not out of committeeHouse read second time · 2026-01-27
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
HB2408 · 2026-06-13
Nursing board; regulatory actions; expungement (House – Third Reading)
HCR2048 · 2026-06-13
Military families; scholarship accounts (House – Third Reading)
HB4005 · 2026-06-13
Artificial intelligence; course; public schools (House – Third Reading)
HB2406 · 2026-06-13
Minor victims; public records prohibition (House – Third Reading)
SCR1032 · 2026-06-13
Instructional expenses; operational spending; enforcement (House – Third Reading)
HB2397 · 2026-06-13
Homeowners' associations; property covenants; disclosures (House – Third Reading)
HCR2040 · 2026-06-13
School districts; labor organizations; resources (House – Third Reading)
HB2321 · 2026-06-13
DCS; credit freeze; reporting (House – Third Reading)
HB2957 · 2026-06-13
Driver license; enhanced; mobile; prohibition (House – Third Reading)
HB2398 · 2026-06-13
Watercraft; insurance requirements; penalties (House – Third Reading)
HB2755 · 2026-06-13
State lands; commercial leases; auction (House – Third Reading)
SB1004 · 2026-06-12
Sex offenders; electronic monitoring (House – Third Reading)
SCR1004 · 2026-06-12
Photo enforcement systems; voter approval (House Rules Committee Action (C&P))
SB1618 · 2026-06-12
Military affairs commission (House Rules Committee Action (C&P))
SB1110 · 2026-06-12
Home confinement; eligibility; electronic monitoring. (House Rules Committee Action (C&P))
SB1127 · 2026-06-12
Duty to report; abuse; neglect (House – Third Reading)
SB1687 · 2026-06-12
Voter access; elections; primary date (House – Third Reading)
SB1180 · 2026-06-12
DOR; income tax forms; conformity (House – Third Reading)
SB1198 · 2026-06-12
Beef council; veterinary board; continuation (House – Third Reading)
SB1336 · 2026-06-12
State land department; continuation; oversight (House – Third Reading)
SCR1004 · 2026-06-12
Photo enforcement systems; voter approval (House – Third Reading)
HB2104 · 2026-06-12
Agricultural property; classification; inspection (House – Third Reading)
SB1110 · 2026-06-12
Home confinement; eligibility; electronic monitoring. (House – Third Reading)
SB1428 · 2026-06-12
Proof of insurance; workers' compensation (House – Third Reading)
HB2311 · 2026-06-12
Artificial intelligence service; disclosures; requirements (House – Third Reading)
HB4117 · 2026-06-12
Interfering with religious service (House – Third Reading)
SB1519 · 2026-06-12
Off-highway vehicles; weight; enforcement fund (House – Third Reading)
SB1552 · 2026-06-12
ADOT; revisions. (House – Third Reading)
SB1511 · 2026-06-12
Nondomiciled commercial drivers license; validity (House – Third Reading)
HB2729 · 2026-06-12
Health boards; DES; continuations (House – Third Reading)
SB1618 · 2026-06-12
Military affairs commission (House – Third Reading)
HB2105 · 2026-06-12
Agricultural property; inspections; notice (House – Third Reading)
HB2114 · 2026-06-12
Motorcycle registration requirements; safety fund (House – Third Reading)
HB2305 · 2026-06-12
Private towing carriers; regulation; rates (House – Third Reading)
HCR2001 · 2026-06-12
Citizenship; identification; contributions; early voting (House – Third Reading)
SB1502 · 2026-06-12
Unlawful flight; reckless endangerment; violation. (House – Third Reading)
HB2174 · 2026-06-11
Insurance; modeling and data organizations (House – Third Reading)
HB2873 · 2026-06-11
Municipalities; referendum petitions; withdrawal (House – Third Reading)
SB1012 · 2026-06-11
Concealed weapons; notice; repeal (House – Third Reading)
HB2611 · 2026-06-11
Group homes; safety; training; rights (House – Third Reading)
SB1018 · 2026-06-11
Foreign law; sharia law; prohibition (House – Third Reading)
SB1038 · 2026-06-11
Cast vote record; public record (House – Third Reading)
SB1016 · 2026-06-11
Municipal improvement districts; petitions (House – Third Reading)
SB1075 · 2026-06-11
Foreign entities; land; review commission (House – Third Reading)
SB1042 · 2026-06-11
Public monies; investment; virtual currency (House – Third Reading)
SB1118 · 2026-06-11
Historic neighborhoods; housing; zoning (House – Third Reading)
SB1009 · 2026-06-11
High school students; AED training (House – Third Reading)
SB1057 · 2026-06-11
Fraud countermeasures; paper ballots (House – Third Reading)
SB1053 · 2026-06-11
Concealed weapons permits; fees (House – Third Reading)
SB1068 · 2026-06-11
Disruption; educational institution; concealed weapon (House – Third Reading)
SB1093 · 2026-06-11
Riot; planning; participation; racketeering (House – Third Reading)
SB1039 · 2026-06-11
Attorney discipline investigations; costs (House – Third Reading)
SB1043 · 2026-06-11
State agencies; virtual currency payments (House – Third Reading)
SB1060 · 2026-06-11
Voter registration; temporary absence (House – Third Reading)
SB1100 · 2026-06-11
Foreign adversary; lobbying; registration; disclosure (House – Third Reading)
SB1069 · 2026-06-11
Prohibited weapons; muffling device; repeal (House – Third Reading)
SB1061 · 2026-06-11
Fentanyl; sale amount; nine grams (House – Third Reading)
SB1170 · 2026-06-11
Narcotic drugs; sales; minor; sentencing (House – Third Reading)
SB1055 · 2026-06-11
Arrestees; unlawfully present; reporting (House – Third Reading)
HB2995 · 2026-06-11
Domestic relations; domestic violence (House – Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 1858 total roll-call votes this session).
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