Nonpartisan · Data from OpenStates / Plural Policy · Colorado
Votes with Republicans
78%
on 238 party-line votes · Senate Republicans median 93%
Cast a vote
98%
Yea or Nay on 902 of 921 roll calls · Senate median 99%
Their bills that became law
34 of 44
as a primary sponsor, this session · Republicans median 21
Roll calls on record
921
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 Cleave Simpson 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 Cleave Simpson 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. Cleave Simpson is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
53 of 238 party-line votes, most recent 10 shown.
HB1430 · Transportation Funding Adjustments
Senate: Third Reading Amend (l.014) · 2026-05-13 · Passed 26–9 · most Republicans voted the other way
HB1426 · Department of Law Legislative Report
Senate: Third Reading Bill · 2026-05-13 · Passed 25–10 · most Republicans voted the other way
SB048 · Remove Exception to Marry with Judicial Approval
In plain English Limits the age difference allowed between parties when a minor marries with judicial approval.
Senate: House Amendments Concur · 2026-05-13 · Passed 18–17 · most Republicans voted the other way
HB1326 · Sunset Public Utilities Commission
In plain English Extends the Public Utilities Commission and implements recommendations from a 2025 sunset review report.
Senate: Third Reading Bill · 2026-05-12 · Passed 25–10 · most Republicans voted the other way
HB1306 · Wild Horse License Plate
In plain English Creates a special license plate featuring wild horses and appropriates money for its implementation.
Senate: Third Reading Bill · 2026-05-12 · Passed 26–9 · most Republicans voted the other way
HB1043 · Transportation Network Company Discriminatory Practices
Senate: Third Reading Bill · 2026-05-11 · Passed 24–11 · most Republicans voted the other way
HB1147 · Host Home for People with Intellectual & Developmental Disabilities
In plain English Establishes processes for host homes that provide care for people with intellectual and developmental disabilities.
Senate: Third Reading Bill · 2026-05-11 · Passed 28–7 · most Republicans voted the other way
SB113 · Require Recovery Residences to Obtain Behavioral Health Administration License
In plain English Requires recovery residences to obtain a license from the behavioral health administration.
Senate: House Amendments Repass · 2026-05-08 · Passed 28–6 · most Republicans voted the other way
HB1184 · Sunset Process Forest Health Council
In plain English Extends the Colorado forest health council by implementing recommendations from the state's 2025 sunset review.
Senate: Conference Committee Report Repass · 2026-05-08 · Passed 27–7 · most Republicans voted the other way
HB1414 · Medical Record Requests
Senate: Third Reading Bill · 2026-05-08 · Passed 24–10 · 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
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
HB1054 · Protections for Worker Safety
Senate: Third Reading Bill · 2026-05-13 · Failed 17–18
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 · 277 shared contested votes
52%
Kyle MullicaDemocrat · District 24 · 309 shared contested votes
46%
Marc SnyderDemocrat · District 12 · 313 shared contested votes
46%
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 (19 in all). Gaps are months the chamber wasn’t voting.
← Colorado Delegation
YeaYeaNayNayYeaYeaYeaYeaNayYeaNayYeaYeaYeaYeaYeaNayNayYeaYeaYeaNayYeaYeaNayYeaNayYeaNayYeaYeaYeaYeaYeaNayNayNayYeaNayYeaNayYeaYeaNayNayNayNayYeaYeaNayYeaYeaYeaYeaYeaNayNayNayNayYea
Their bills, from filing to law
Bills Cleave Simpson 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.
Introduced44
Out of committee41
Passed one chamber41
Passed both chambers34
Became law34
Never left committee1
For comparison, the median Republican member of the Senate has 21 bills that became law this session.
What their bills are about
General Assembly 13Fiscal Policy & Taxes 4Energy 3State Government 3Labor & Employment 3Natural Resources & Environment 3
Higher Education Funding Allocation Model Changes
In plain English Changes how Colorado allocates state funding to higher education institutions based on recommendations from a funding formula report.
Official synopsis: Concerning higher education funding, and, in connection therewith, implementing the recommendations in the report on the higher education funding allocation formula.
Became lawGovernor Signed · 2026-06-04
Cradle to Career Grant Program Creation
In plain English Creates a grant program to support services from early childhood through career development.
Official synopsis: Concerning creating the cradle to career grant program.
Became lawGovernor Signed · 2026-06-04
Modify 2026 Interim Committees
Concerning modifications to legislative interim activities, and, in connection therewith, reducing an appropriation.
Became lawGovernor Signed · 2026-06-02
Availability of Emergency Medical Services
Concerning increasing the availability of emergency medical services.
Became lawGovernor Signed · 2026-06-02
Colorado Homeless Contribution Tax Credit Extension
In plain English Extends the Colorado homeless contribution tax credit through income tax year 2030.
Official synopsis: Concerning the extension of the Colorado homeless contribution tax credit through income tax year 2030.
Became lawGovernor Signed · 2026-06-02
Legislative Department Cash Fund
Concerning the legislative department cash fund.
Became lawGovernor Signed · 2026-06-01
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
Mobile Home Property Taxation
In plain English Extends the redemption period for mobile home owners and aligns delinquent tax collection procedures with real property methods.
Official synopsis: Concerning the implementation of the recommendations of the mobile home taxation task force, and, in connection therewith, modifying the process for the collection of delinquent property taxes to align with real property tax lien sale and public auction procedures, extending the redemption period for mobile…
Became lawGovernor Signed · 2026-06-01
Modify Colorado Channel Authority Board Appointments
In plain English Modifies how members are appointed to the Colorado Channel Authority Board and reduces a related appropriation.
Official synopsis: Concerning a modification to appointments to the Colorado channel authority board, and, in connection therewith, reducing an appropriation.
Became lawGovernor Signed · 2026-05-29
2026 Water Projects Bill
In plain English Funds water conservation projects and appropriates money for Colorado water conservation board operations.
Official synopsis: Concerning the Colorado water conservation board operations, and, in connection therewith, funding projects and making an appropriation.
Became lawGovernor Signed · 2026-05-29
Continue Microgrid Community Resilience Grant Program
In plain English Continues the microgrids for community resilience grant program.
Official synopsis: Concerning continuing the microgrids for community resilience grant program.
Became lawGovernor Signed · 2026-05-29
Continuation of Child Care Contribution Tax Credit
In plain English Extends the income tax credit for contributions that promote child care in the state.
Official synopsis: Concerning a continuation of the income tax credit for a qualifying contribution to promote child care in the state.
Became lawGovernor Signed · 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
Vulnerable Adult Financial Exploitation Banking
In plain English Requires financial institutions to implement procedures to protect vulnerable adults from financial exploitation.
Official synopsis: Concerning the protection of vulnerable adults from financial exploitation in relation to financial institutions.
Became lawGovernor Signed · 2026-05-26
Notify Governor of Adjournment
In plain English Creates a joint committee to notify the Governor when the legislature is about to adjourn.
Official synopsis: Concerning the appointment of a joint committee to notify the Governor that the Second Regular Session of the Seventy-fifth General Assembly is about to adjourn sine die.
Passed one chamberSenate Third Reading Lay on the Table-Deemed Lost – No Amendments · 2026-05-22
“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 921 total roll-call votes this session).
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