Nonpartisan · Data from OpenStates / Plural Policy · Arizona
Republican
· Representative
Lupe Diaz
Represents District 19 in the House of Representatives.
Votes with Republicans
98%
on 640 party-line votes · House Republicans median 96%
Cast a vote
99%
Yea or Nay on 1,172 of 1,184 roll calls · House median 96%
Their bills that became law
2 of 30
as a primary sponsor, this session · Republicans median 3
Roll calls on record
1,184
Fifty-seventh Legislature – Second Regular Session (2026)
Votes and bills updated Oct 10, 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 Lupe Diaz 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 Lupe Diaz 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. Lupe Diaz is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
15 of 640 party-line votes, most recent 10 shown.
SB1457 · Air mobility fund; border security
House – Third Reading · 2026-06-09 · Passed 29–25 · most Republicans voted the other way
SB1663 · Freedom of speech monument; committee
House – Third Reading · 2026-06-09 · Failed 19–35 · most Republicans voted the other way
SB1763 · School districts; funds; financial reports
Motion · 2026-04-20 · Passed 30–29 · most Republicans voted the other way
SB1763 · School districts; funds; financial reports
Motion test · 2026-04-20 · Passed 30–29 · most Republicans voted the other way
SB1372 · Hospital; nurse anesthetist; subscription contract
House – Third Reading · 2026-04-09 · Passed 33–20 · most Republicans voted the other way
HB2533 · Homeless services; office; board
House – Third Reading · 2026-03-17 · Failed 17–36 · most Republicans voted the other way
HB2444 · Pharmacists; independent testing; treatment
House – Third Reading · 2026-03-10 · Passed 33–22 · most Republicans voted the other way
HB2913 · County land commissioner; state lands
House – Third Reading · 2026-03-09 · Failed 22–30 · most Republicans voted the other way
HB4044 · Public safety parity fund
House – Third Reading · 2026-03-09 · Passed 35–17 · most Republicans voted the other way
HB2791 · Cell-cultured protein; sale; prohibition
House – Third Reading · 2026-02-26 · Failed 26–28 · most Republicans 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
HB2759 · Appropriation; department of veterans' services
House – Third Reading · 2026-02-25 · Failed 27–27
SB1043 · State agencies; virtual currency payments
House – Third Reading · 2026-06-11 · Failed 28–29
SB1049 · Spousal maintenance; income; property
House – Third Reading · 2026-06-11 · Failed 28–29
SB1511 · Nondomiciled commercial drivers license; validity
House – Third Reading · 2026-06-11 · Failed 26–27
Democrats 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.
Lydia HernandezDemocrat · District 24 · 606 shared contested votes
38%
Consuelo HernandezDemocrat · District 21 · 522 shared contested votes
36%
Myron TsosieDemocrat · District 6 · 533 shared contested votes
34%
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 (12 in all). Gaps are months the chamber wasn’t voting.
← Arizona Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Lupe Diaz 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.
Introduced30
Out of committee20
Passed one chamber16
Passed both chambers5
Became law2
Never left committee10
For comparison, the median Republican member of the House has 3 bills that became law this session.
What their bills are about
Appropriation 6State Government – Title 41 5Prohibition 4Endangered Species Act 3Game And Fish – Title 17 3Criminal Code – Title 13 3
PSPRS; social security; technical correction
Not out of committeeAssigned to House RULES Committee · 2026-06-13
Mexican wolf; delist; urging support
Became lawTransmitted to Secretary of State · 2026-04-20
Endangered species act; urging reform
Became lawTransmitted to Secretary of State · 2026-04-20
Public nuisance action; consent requirement
Passed one chamberSenate Committee of the Whole action: Do Pass · 2026-04-13
Livestock compensation fund; appropriation
Passed one chamberSenate ATT Committee action: Do Pass, voting: (7-3-0-0) · 2026-03-31
Veterans; state park fees; exemption
Passed one chamberSenate ATT Committee action: Do Pass Amended, voting: (6-4-0-0) · 2026-03-31
Dangerous crimes against children; probation.
Passed one chamberSenate JUDE Committee action: Do Pass, voting: (4-2-1-0) · 2026-03-18
Appropriation; auditor general; 2028-2029
Passed one chamberSenate ATT Committee action: Do Pass, voting: (5-3-2-0) · 2026-03-17
Predatory animals; definition
Passed one chamberSenate NR Committee action: Held, voting: (0-0-0-0) · 2026-03-10
State land; commissioner-initiated sales
Passed one chamberSenate read second time · 2026-03-09
Land ownership; hostile entities; prohibition
Passed one chamberSenate read second time · 2026-03-09
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)
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)
SB1040 · 2026-06-11
Voter registration rolls; internet access (House – Third Reading)
SB1011 · 2026-06-11
Medical examiners; sudden infant death (House – Third Reading)
HB4157 · 2026-06-11
Commerce; 2026-2027 (House – Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 1184 total roll-call votes this session).
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