Nonpartisan · Data from OpenStates / Plural Policy · Arizona
Republican
· Senator
Warren Petersen
Represents District 14 in the State Senate.
Votes with Republicans
99%
on 491 party-line votes · Senate Republicans median 99%
Cast a vote
97%
Yea or Nay on 817 of 844 roll calls · Senate median 96%
Their bills that became law
5 of 13
as a primary sponsor, this session · Republicans median 6
Roll calls on record
844
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 Warren Petersen 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 Warren Petersen sits in the Senate
Each dot is one member of the Senate, placed by how often they voted on the Democratic side of party-line votes. Warren Petersen is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
7 of 491 party-line votes.
HB2142 · School safety; ESAs; fingerprinting; revisions
Senate – Third Reading · 2026-06-12 · Failed 14–15 · most Republicans voted the other way
SB1054 · Municipalities; emergency measures; vote
Senate – Third Reading · 2026-03-18 · Passed 16–10 · most Republicans voted the other way
SCR1022 · Legislature; ninety house districts
Senate – Third Reading · 2026-03-17 · Passed 16–10 · most Republicans voted the other way
SB1134 · Political signs; dates
Senate – Third Reading · 2026-03-10 · Passed 15–14 · most Republicans voted the other way
SB1081 · DCS cases; attorney appearances
Senate – Third Reading · 2026-03-03 · Passed 16–14 · most Republicans voted the other way
SB1537 · Peace officer fund; commission; repeal
Senate – Third Reading · 2026-03-03 · Passed 20–10 · most Republicans voted the other way
SB1179 · Group home monitoring program; continuation
Senate – Third Reading · 2026-03-02 · Passed 16–13 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB1170 · Narcotic drugs; sales; minor; sentencing
Senate – Third Reading · 2026-06-12 · Failed 14–14
SB1178 · Naturopathic physicians; drug administration
Senate – Third Reading · 2026-06-12 · Failed 14–14
SB1745 · Local excise taxes; rate limit
Senate – Third Reading · 2026-03-04 · Failed 15–15
SB1827 · Office of advanced air mobility
Senate – Third Reading · 2026-03-04 · Failed 15–15
HB2305 · Private towing carriers; regulation; rates
Senate – Third Reading · 2026-06-12 · Failed 13–14
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.
Kiana SearsDemocrat · District 9 · 526 shared contested votes
29%
Brian FernandezDemocrat · District 23 · 478 shared contested votes
27%
Flavio BravoDemocrat · District 26 · 486 shared contested votes
25%
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 (27 in all). Gaps are months the chamber wasn’t voting.
← Arizona Delegation
YeaYeaYeaNayNayYeaNayYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Warren Petersen 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.
Introduced13
Out of committee13
Passed one chamber12
Passed both chambers8
Became law5
Never left committee0
For comparison, the median Republican member of the Senate has 6 bills that became law this session.
What their bills are about
Definitions 5State Government – Title 41 4Definition 4Legislative Intent 2Appropriating Monies 2Appropriation 2
Artificial intelligence; content verification
Passed one chamberTransmit to Senate · 2026-05-05
Water storage facility; withdrawals; area
Passed one chamberHouse Committee of the Whole action: Do Pass · 2026-04-07
Stormwater storage; replenishment credits
Passed one chamberHouse APPROP Committee action: Held, voting: (0-0-0-0-0-0) · 2026-03-31
Foreign adversary fraud office; appropriation
Passed one chamberHouse APPROP Committee action: Do Pass, voting: (10-4-2-2-0-0) · 2026-03-11
State department of corrections; appropriation
Out of committeeSenate third reading FAILED voting: (15-12-3-0) · 2026-02-23
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
SB1290 · 2026-06-13
Open meetings; planned communities (Senate – Third Reading)
HB2305 · 2026-06-12
Private towing carriers; regulation; rates (Senate – Third Reading)
HCR2003 · 2026-06-12
Interscholastic; intramural athletics; biological sex (Senate Rules Committee Action (PFC))
HCR2003 · 2026-06-12
Interscholastic; intramural athletics; biological sex (Senate – Senator Ortiz moved the portion of the COW report that HCR 2003 do pass be amended to include the Ortiz flr amend)
HCR2001 · 2026-06-12
Citizenship; identification; contributions; early voting (Senate – Senator Gonzales moved that the portion of the COW report that HCR 2001 do pass amended be amended to show the resolution failed to pass)
SB1170 · 2026-06-12
Narcotic drugs; sales; minor; sentencing (Senate – Third Reading)
HB2142 · 2026-06-12
School safety; ESAs; fingerprinting; revisions (Senate – Third Reading)
SB1630 · 2026-06-12
Enhanced residential treatment; SMI (Senate – Third Reading)
SB1624 · 2026-06-12
Photo radar enforcement; civil penalty (Senate – Third Reading)
HB2406 · 2026-06-12
Minor victims; public records prohibition (Senate – Third Reading)
SB1214 · 2026-06-12
Stem cells; regenerative therapy (Senate – Third Reading)
HB2398 · 2026-06-12
Watercraft; insurance requirements; penalties (Senate – Third Reading)
HB2700 · 2026-06-12
Technology study committee; assistive technology (Senate – Third Reading)
HB2755 · 2026-06-12
State lands; commercial leases; auction (Senate – Third Reading)
SB1160 · 2026-06-12
Drones; entertainment events; prohibition (Senate – Third Reading)
SB1620 · 2026-06-12
Utility relocation notification (Senate – Third Reading)
HB2305 · 2026-06-12
Private towing carriers; regulation; rates (Senate – Third Reading)
SB1456 · 2026-06-12
Authorized third party; bond exemption (Senate – Third Reading)
SB1496 · 2026-06-12
DCS; policies; procedures (Senate – Third Reading)
SB1178 · 2026-06-12
Naturopathic physicians; drug administration (Senate – Third Reading)
SB1127 · 2026-06-12
Duty to report; abuse; neglect (Senate – Third Reading)
HB4005 · 2026-06-12
Artificial intelligence; course; public schools (Senate – Third Reading)
SB1113 · 2026-06-12
Service of process; evaluation agencies (Senate – Third Reading)
SB1180 · 2026-06-12
DOR; income tax forms; conformity (Senate – Third Reading)
HCR2003 · 2026-06-12
Interscholastic; intramural athletics; biological sex (Senate – Third Reading)
HCR2044 · 2026-06-12
Preferential treatment; discrimination; prohibited acts (Senate – Third Reading)
HCR2001 · 2026-06-12
Citizenship; identification; contributions; early voting (Senate – Third Reading)
HB2397 · 2026-06-12
Homeowners' associations; property covenants; disclosures (Senate – Third Reading)
SB1627 · 2026-06-12
Schools; prohibition; unmanned aircraft (Senate – Third Reading)
SB1428 · 2026-06-12
Proof of insurance; workers' compensation (Senate – Third Reading)
SB1713 · 2026-06-12
Independent testing; treatment; pharmacists (Senate – Third Reading)
HB2320 · 2026-06-12
School districts; bonds; financial advisors (Senate – Third Reading)
HB2800 · 2026-06-12
Ignition interlock devices; violation; classification (Senate – Third Reading)
SB1326 · 2026-06-12
Victims' rights; attorney fees; costs (Senate – Third Reading)
SB1723 · 2026-06-12
Domestic violence; release conditions (Senate – Third Reading)
SB1683 · 2026-06-12
Landownership; foreign adversary; prohibition (Senate – Third Reading)
HB2321 · 2026-06-12
DCS; credit freeze; reporting (Senate – Third Reading)
HB2780 · 2026-06-12
Judicial foreclosure; excess proceeds sale (Senate – Third Reading)
HB2957 · 2026-06-12
Driver license; enhanced; mobile; prohibition (Senate – Third Reading)
HB2960 · 2026-06-12
Veterans' court fund; grant program (Senate – Third Reading)
HB2322 · 2026-06-12
DCS; investigations; interviews; recording (Senate – Third Reading)
SB1335 · 2026-06-12
Groundwater savings credits; irrigation (Senate – Third Reading)
HB2408 · 2026-06-12
Nursing board; regulatory actions; expungement (Senate – Third Reading)
HCR2048 · 2026-06-12
Military families; scholarship accounts (Senate – Third Reading)
HB2134 · 2026-06-12
Critical infrastructure; foreign adversaries; prohibition (Senate – Third Reading)
SB1671 · 2026-06-12
Gaming; racing; boxing; conflict-of-interest continuation (Senate – Third Reading)
HB2257 · 2026-06-12
Watercraft fund; distribution of monies (Senate – Third Reading)
HB2257 · 2026-06-12
Watercraft fund; distribution of monies (Senate – Third Reading)
SB1336 · 2026-06-12
State land department; continuation; oversight (Senate – Third Reading)
HCR2040 · 2026-06-12
School districts; labor organizations; resources (Senate – Third Reading)
SB1552 · 2026-06-12
ADOT; revisions. (Senate – Third Reading)
SB1511 · 2026-06-12
Nondomiciled commercial drivers license; validity (Senate – Third Reading)
SB1198 · 2026-06-12
Beef council; veterinary board; continuation (Senate – Third Reading)
HB2941 · 2026-06-12
Motorcycles; reckless driving (Senate – Third Reading)
HCR2048 · 2026-06-12
Military families; scholarship accounts (Senate Rules Committee Action (PFC))
HB4156 · 2026-06-11
Capital outlay; appropriations; 2026-2027 (Senate – Third Reading)
HB4166 · 2026-06-11
State budget implementation; 2026-2027 (Senate – Third Reading)
HB4164 · 2026-06-11
Local government; 2026-2027 (Senate – Third Reading)
HB4155 · 2026-06-11
Amusements; 2026-2027 (Senate – Third Reading)
HB4168 · 2026-06-11
Taxation; omnibus; 2026-2027 (Senate – Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 844 total roll-call votes this session).
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