Nonpartisan · Data from OpenStates / Plural Policy · Colorado
Votes with Republicans
93%
on 298 party-line votes · Senate Republicans median 93%
Cast a vote
95%
Yea or Nay on 1,173 of 1,235 roll calls · Senate median 99%
Their bills that became law
8 of 17
as a primary sponsor, this session · Republicans median 21
Roll calls on record
1,235
2026 Regular Session
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 2026 Regular Session.
How Larry Liston 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 Larry Liston 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. Larry Liston is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
20 of 298 party-line votes, most recent 10 shown.
HB1286 · Automated Driving System Commercial Vehicles
In plain English Requires a human to be present in a commercial motor vehicle when an automated driving system is operating the vehicle.
Senate: Third Reading Bill · 2026-05-12 · Passed 27–8 · most Republicans voted the other way
HB1102 · Funding for Colorado DRIVES Account
In plain English Provides funding for the Colorado DRIVES vehicle services account from the highway users tax fund.
Senate: Third Reading Bill · 2026-05-12 · Passed 23–12 · most Republicans voted the other way
HB1416 · Transfers to General Fund & Colorado Economic Development Fund
Senate Appropriations: Refer House Bill 26-1416 to the Committee of the Whole. · 2026-05-11 · Passed 5–2 · most Republicans voted the other way
HB1111 · Pesticide Product Disposal & Container Recycling
In plain English Creates a program for disposing of used pesticide products and recycling their containers, administered by a new state enterprise.
Senate Appropriations: Refer House Bill 26-1111, as amended, to the Committee of the Whole. · 2026-05-07 · Passed 5–2 · most Republicans voted the other way
SB150 · Modernizing Regional Transportation District
In plain English Increases accountability measures for the regional transportation district.
Senate: House Amendments Repass · 2026-05-05 · Passed 19–13 · most Republicans voted the other way
HB1076 · Transportation Statutory Clean-Up
Senate: Third Reading Bill · 2026-05-05 · Passed 28–7 · most Republicans voted the other way
SB167 · Prescription Drug Out-of-Pocket Expense Credit
Senate Appropriations: Refer Senate Bill 26-167 to the Committee of the Whole. · 2026-05-05 · Passed 5–2 · most Republicans voted the other way
HB1224 · Protections for Mobile Home Park Residents
Senate Local Government & Housing: Refer House Bill 26-1224 to the Committee of the Whole. · 2026-04-30 · Passed 5–2 · most Republicans voted the other way
HB1188 · Sunset Process Securities Regulation
In plain English Extends the regulation of securities by the state and implements recommendations from the department of regulatory agencies' 2025 sunset report.
Senate: Third Reading Bill · 2026-04-22 · Passed 26–8 · most Republicans voted the other way
HB1187 · Sunset Fire Suppression Programs
In plain English Extends the fire suppression programs of the division of fire prevention and control and implements recommendations from the department's 2025 sunset report.
Senate: Third Reading Bill · 2026-04-22 · Passed 28–6 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB1274 · State Agency Payments to Grant Recipients
In plain English Allows state agencies to pay a percentage of a grant's total value to nonprofit recipients when executing or renewing grant agreements.
Senate: Miscellaneous Recede · 2026-05-13 · Failed 17–17
HB1289 · Modification of Certain Tax Expenditures
Senate: Committee of the Whole Cow * (s.001) · 2026-05-12 · Failed 17–17
SCR001 · Areas of Local Preemption
Senate Local Government & Housing: Refer SCR26-001 to the Committee on Appropriations. · 2026-04-30 · Failed 3–3
HB1418 · Online Add-on Transaction Fee Youth Service Enterprise
In plain English Requires social media platforms offering online gaming to young people to charge fees on add-on purchases and direct revenue to new enterprises funding youth mental health and programming services.
Senate: Third Reading Bill · 2026-05-13 · Passed 18–17
SB115 · Post-Conviction Relief for Certain Offenders
In plain English Allows certain imprisoned offenders to seek post-conviction relief and adjusts state funding accordingly.
Senate: House Amendments Repass · 2026-05-13 · Passed 18–17
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.
Dylan RobertsDemocrat · District 8 · 254 shared contested votes
35%
Marc SnyderDemocrat · District 12 · 284 shared contested votes
29%
Kyle MullicaDemocrat · District 24 · 255 shared contested votes
28%
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 (62 in all). Gaps are months the chamber wasn’t voting.
← Colorado Delegation
YeaYeaNayNayYeaYeaNayYeaNayYeaNayYeaYeaYeaYeaYeaNayNayYeaYeaYeaNayYeaNayNayYeaNayYeaNayYeaYeaYeaYeaYeaNayNayNayYeaNayYeaNayYeaYeaNayNayNayNayYeaNayNayYeaYeaYeaYeaYeaNayNayNayNayYea
Their bills, from filing to law
Bills Larry Liston 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.
Introduced17
Out of committee13
Passed one chamber13
Passed both chambers10
Became law8
Never left committee0
For comparison, the median Republican member of the Senate has 21 bills that became law this session.
What their bills are about
Local Government 3Transportation & Motor Vehicles 3Energy 2State Government 2Natural Resources & Environment 2Children & Domestic Matters 2
Age Attestation on Computing Devices
Concerning age attestation for users of computing devices.
Became lawGovernor Signed · 2026-06-03
Extend Conservation Easement Tax Credit
In plain English Extends the conservation easement tax credit through income tax year 2036.
Official synopsis: Concerning the extension of the conservation easement tax credit through income tax year 2036.
Became lawGovernor Signed · 2026-06-01
Lobbyist Regulation
Concerning the regulation of lobbyists, and, in connection therewith, making an appropriation.
VetoedGovernor Vetoed · 2026-05-29
Automated Driving System Commercial Vehicles
In plain English Requires a human to be present in a commercial motor vehicle when an automated driving system is operating the vehicle.
Official synopsis: Concerning a requirement that a commercial motor vehicle have a human present when the commercial motor vehicle is being driven by an automated driving system, and, in connection therewith, making an appropriation.
VetoedGovernor Vetoed · 2026-05-28
Wildlife Collision Prevention
In plain English Allows drivers to pay an optional fee during vehicle registration to fund wildlife crossings and related transportation improvements.
Official synopsis: Concerning optional fees during motor vehicle registration that primarily support wildlife projects, and, in connection therewith, using the proceeds of a newly created optional fee to construct wildlife crossings and other transportation improvements and making an appropriation.
Became lawGovernor Signed · 2026-05-27
Nuclear Workforce Development & Education Program
In plain English Creates a nuclear workforce development and education program to promote job training opportunities in Colorado's nuclear sector.
Official synopsis: Concerning promoting workforce development opportunities in Colorado's nuclear sector.
FailedHouse Committee on Appropriations Postpone Indefinitely · 2026-05-12
Local Regulation of Massage Facilities
Concerning the local regulation of massage facilities.
Became lawGovernor Signed · 2026-05-04
Require Key Boxes at Schools
In plain English Requires schools to install exterior key boxes.
Official synopsis: Concerning a requirement to install exterior key boxes at schools.
Became lawGovernor Signed · 2026-05-04
Challenges Meeting 2030 Emissions Reduction Goals
Concerning an entity that encounters challenges in achieving the greenhouse gas emissions reduction goal included in the entity's clean energy plan.
FailedSenate Committee on Transportation & Energy Postpone Indefinitely · 2026-04-29
Donate Life Month
Concerning the recognition of April 2026 as National Donate Life Month.
Became lawSigned by the President of the Senate · 2026-04-22
Modification of County Commissioner Elections
Concerning the modification of county commissioner elections.
FailedSenate Committee on State, Veterans, & Military Affairs Postpone Indefinitely · 2026-04-21
Person's Rights Related to Their Children
Submitting to the registered electors of the state of Colorado an amendment to the Colorado constitution concerning a person's inalienable rights related to their children.
FailedHouse Committee on State, Civic, Military, & Veterans Affairs Postpone Indefinitely · 2026-04-20
State & Local Noise Abatement Authority
Concerning the applicability of certain noise abatement provisions, and, in connection therewith, reestablishing local authority with respect to noise abatement.
FailedHouse Committee on Transportation, Housing & Local Government Postpone Indefinitely · 2026-04-14
Search Warrants Provided to Covered Platforms
Concerning search warrant requirements for operators of certain electronic platforms.
Became lawGovernor Signed · 2026-03-30
State & Local Unmanned Aircraft Regulation
Concerning unmanned aircraft systems.
FailedSenate Committee on Local Government & Housing Postpone Indefinitely · 2026-02-25
“In plain English” lines are written by ThePolitibase with AI (Claude), from the official synopsis only; the synopsis is the authoritative text. Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
SB165 · 2026-05-13
Species Conservation Measures (Senate: House Amendments Concur)
SB165 · 2026-05-13
Species Conservation Measures (Senate: House Amendments Repass)
HB1236 · 2026-05-13
Arbitration Reform (Senate: Third Reading Bill)
HB1418 · 2026-05-13
Online Add-on Transaction Fee Youth Service Enterprise (Senate: Third Reading Bill)
SB187 · 2026-05-13
Establishing Commission on Medicaid (Senate: House Amendments Concur)
SB187 · 2026-05-13
Establishing Commission on Medicaid (Senate: House Amendments Repass)
HB1416 · 2026-05-13
Transfers to General Fund & Colorado Economic Development Fund (Senate: Third Reading Bill)
SB172 · 2026-05-13
Front Range Passenger Rail District (Senate: House Amendments Concur)
SB172 · 2026-05-13
Front Range Passenger Rail District (Senate: House Amendments Repass)
SB115 · 2026-05-13
Post-Conviction Relief for Certain Offenders (Senate: House Amendments Concur)
SB115 · 2026-05-13
Post-Conviction Relief for Certain Offenders (Senate: House Amendments Repass)
HB1425 · 2026-05-13
Applied Behavior Analysis Services (Senate: Third Reading Bill)
HB1429 · 2026-05-13
County Administration Public Assistance Programs (Senate: Third Reading Bill)
SB035 · 2026-05-13
Increase of Traffic Violation Penalties (Senate: House Amendments Concur)
SB035 · 2026-05-13
Increase of Traffic Violation Penalties (Senate: House Amendments Repass)
HB1223 · 2026-05-13
Modifying Certain Tax Expenditures (Senate: Third Reading Amend (l.031))
HB1223 · 2026-05-13
Modifying Certain Tax Expenditures (Senate: Third Reading Bill)
HB1054 · 2026-05-13
Protections for Worker Safety (Senate: Third Reading Bill)
SB078 · 2026-05-13
Changes to Institutions of Higher Education Statutes (Senate: House Amendments Concur)
SB078 · 2026-05-13
Changes to Institutions of Higher Education Statutes (Senate: House Amendments Repass)
SB155 · 2026-05-13
Increase Access Homeowner's Insurance Enterprise (Senate: House Amendments Concur)
SB155 · 2026-05-13
Increase Access Homeowner's Insurance Enterprise (Senate: House Amendments Repass)
HB1250 · 2026-05-13
Procedures Related to Civil Asset Forfeiture (Senate: Third Reading Bill)
SB048 · 2026-05-13
Remove Exception to Marry with Judicial Approval (Senate: House Amendments Concur)
SB048 · 2026-05-13
Remove Exception to Marry with Judicial Approval (Senate: House Amendments Repass)
SB042 · 2026-05-13
Revenue Classification Taxpayers Bill of Rights (Senate: House Amendments Concur)
SB042 · 2026-05-13
Revenue Classification Taxpayers Bill of Rights (Senate: House Amendments Repass)
SB002 · 2026-05-13
Energy Affordability (Senate: House Amendments Concur)
SB002 · 2026-05-13
Energy Affordability (Senate: House Amendments Repass)
SB003 · 2026-05-13
End-of-Life Management of Electric Vehicle Batteries (Senate: House Amendments Concur)
SB003 · 2026-05-13
End-of-Life Management of Electric Vehicle Batteries (Senate: House Amendments Repass)
HB1433 · 2026-05-13
Funding to Sustain Fire-Related Services (Senate: Third Reading Bill)
HB1289 · 2026-05-13
Modification of Certain Tax Expenditures (Senate: Third Reading Amend (l.081))
HB1289 · 2026-05-13
Modification of Certain Tax Expenditures (Senate: Third Reading Amend (l.082))
HB1289 · 2026-05-13
Modification of Certain Tax Expenditures (Senate: Third Reading Bill)
HB1335 · 2026-05-13
Abortion Medication Access on College Campuses (Senate: Third Reading Bill)
HB1309 · 2026-05-13
Abuse in Cases of Separation (Senate: Third Reading Bill)
SB184 · 2026-05-13
Firefighter Cancer Benefits & Workers' Compensation (Senate: House Amendments Concur)
SB184 · 2026-05-13
Firefighter Cancer Benefits & Workers' Compensation (Senate: House Amendments Repass)
SB093 · 2026-05-13
Workers' Compensation Insurance Coverage Verification (Senate: House Amendments Concur)
SB093 · 2026-05-13
Workers' Compensation Insurance Coverage Verification (Senate: House Amendments Repass)
SB023 · 2026-05-13
School Finance Act (Senate: House Amendments Concur)
SB023 · 2026-05-13
School Finance Act (Senate: House Amendments Repass)
HB1424 · 2026-05-13
Transportation Network Company Consumer Protection (Senate: Third Reading Bill)
SB131 · 2026-05-13
Sports Betting Protections (Senate: House Amendments Concur)
SB131 · 2026-05-13
Sports Betting Protections (Senate: House Amendments Repass)
HB1141 · 2026-05-13
Discriminatory Practices in Public Schools (Senate: Third Reading Bill)
HB1426 · 2026-05-13
Department of Law Legislative Report (Senate: Third Reading Amend (l.014))
HB1426 · 2026-05-13
Department of Law Legislative Report (Senate: Third Reading Bill)
HB1272 · 2026-05-13
Extreme Temperatures Worker Protections (Senate: Third Reading Bill)
HB1325 · 2026-05-13
Natural Medicine (Senate: Third Reading Bill)
SB015 · 2026-05-13
Commercial Sexual Activity with a Child Offenses (Senate: House Amendments Concur)
SB015 · 2026-05-13
Commercial Sexual Activity with a Child Offenses (Senate: House Amendments Repass)
SB152 · 2026-05-13
Changes Automated Vehicle Identification System Usage (Senate: House Amendments Concur)
SB152 · 2026-05-13
Changes Automated Vehicle Identification System Usage (Senate: House Amendments Repass)
HB1422 · 2026-05-13
Security Measures for Certain Government Entities (Senate: Third Reading Bill)
HB1255 · 2026-05-13
Social Media Duty to Report & Search Warrants (Senate: Third Reading Bill)
HB1274 · 2026-05-13
State Agency Payments to Grant Recipients (Senate: Miscellaneous Recede)
HB1274 · 2026-05-13
State Agency Payments to Grant Recipients (Senate: Miscellaneous Repass)
SB169 · 2026-05-13
Revisor's Bill (Senate: House Amendments Concur)
Complete voting record from LegiScan (showing the 60 most recent of 1235 total roll-call votes this session).
Capitol Office
📍State Capitol Room 346, Colorado Building 200 E. Colfax Ave., Denver, CO 80203
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