Nonpartisan · Data from OpenStates / Plural Policy · Colorado
Votes with Republicans
93%
on 298 party-line votes · Senate Republicans median 93%
Cast a vote
98%
Yea or Nay on 1,187 of 1,206 roll calls · Senate median 99%
Their bills that became law
23 of 37
as a primary sponsor, this session · Republicans median 21
Roll calls on record
1,206
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 Byron Pelton 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 Byron Pelton 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. Byron Pelton is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
22 of 298 party-line votes, most recent 10 shown.
SB131 · Sports Betting Protections
Senate: House Amendments Repass · 2026-05-13 · Passed 20–15 · 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
HB1326 · Sunset Public Utilities Commission
In plain English Extends the Public Utilities Commission and implements recommendations from a 2025 sunset review report.
Senate Appropriations: Refer House Bill 26-1326, as amended, to the Committee of the Whole. · 2026-05-11 · Passed 5–2 · 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
SB190 · Release Information About Peace Officer Use of Force
In plain English Requires release of information about incidents where a peace officer's use of force results in death.
Senate: Third Reading Bill · 2026-05-11 · Passed 24–11 · 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
SB142 · Development of Thermal Energy Resources
Senate: House Amendments Repass · 2026-05-05 · Passed 25–7 · most Republicans voted the other way
SB003 · End-of-Life Management of Electric Vehicle Batteries
In plain English Expands the Battery Stewardship Act to include end-of-life management of electric vehicle batteries.
Senate Appropriations: Refer Senate Bill 26-003, as amended, to the Committee of the Whole. · 2026-04-30 · Passed 5–2 · most Republicans voted the other way
SB131 · Sports Betting Protections
Senate: Third Reading Bill · 2026-04-28 · Passed 20–14 · 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 · 291 shared contested votes
36%
Kyle MullicaDemocrat · District 24 · 299 shared contested votes
36%
Lindsey DaughertyDemocrat · District 19 · 257 shared contested votes
33%
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
YeaYeaNayNayYeaYeaYeaYeaNayYeaNayYeaYeaYeaYeaYeaNayNayYeaYeaYeaNayYeaYeaNayYeaNayYeaNayYeaYeaYeaYeaYeaNayNayNayYeaNayYeaNayYeaYeaNayYeaYeaNayYeaNayNayNayYeaYeaYeaYeaNayNayNayNayYea
Their bills, from filing to law
Bills Byron Pelton 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.
Introduced37
Out of committee30
Passed one chamber25
Passed both chambers23
Became law23
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
Fiscal Policy & Taxes 7Transportation & Motor Vehicles 7Agriculture 6Crimes, Corrections, & Enforcement 5Local Government 4Natural Resources & Environment 4
Expanding the Colorado Cottage Foods Act
In plain English Expands the types of foods that individuals can prepare in home kitchens and sell without a license.
Official synopsis: Concerning expanding the scope of the "Colorado Cottage Foods Act", and, in connection therewith, making an appropriation.
Became lawGovernor Signed · 2026-06-04
History Colorado to Dispose of Mineral Rights
In plain English Allows History Colorado to sell mineral rights it owns in Weld County and West Virginia.
Official synopsis: Concerning the authority of history Colorado to dispose of rights related to minerals, and, in connection therewith, authorizing the disposal of Weld County rights and West Virginia rights.
Became lawGovernor Signed · 2026-06-03
Motor Vehicle Regulation Administration
In plain English Requires the state to handle vehicle ownership duties and provides funding for these operations.
Official synopsis: Concerning the administration of duties related to the ownership of a vehicle, and, in connection therewith, making an appropriation.
Became lawGovernor Signed · 2026-06-03
Colorado Mandatory Lethality Assessment Act
In plain English Requires law enforcement to conduct a mandatory lethality assessment when responding to domestic violence incidents.
Official synopsis: Concerning using a mandatory lethality assessment when responding to a domestic violence incident.
Became lawGovernor Signed · 2026-06-03
Commercial Sexual Activity with a Child Offenses
In plain English Modifies criminal penalties and definitions for offenses involving commercial sexual activity with children.
Official synopsis: Concerning offenses involving commercial sexual activity with a child.
Became lawGovernor Signed · 2026-06-03
Changes Automated Vehicle Identification System Usage
Concerning changes to the usage of automated vehicle identification systems.
Became lawGovernor Signed · 2026-06-02
Reducing Regulatory Burden on Education Providers
Concerning reduction of regulatory burdens on local education providers.
Became lawGovernor Signed · 2026-06-01
Sports Betting Protections
Concerning protections against abusive practices in sports betting, and, in connection therewith, making an appropriation.
Became lawGovernor Signed · 2026-06-01
Sunset Pet Animal Care & Facilities Act
Concerning the continuation of the licensing of pet animal facilities by the commissioner of agriculture in accordance with the "Pet Animal Care and Facilities Act", and, in connection therewith, implementing the recommendations contained in the 2025 sunset report by the department of regulatory agencies.
Became lawGovernor Signed · 2026-05-28
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
Local Government Landfill Methane Emission Reduction Regulations
Concerning measures to assist local governments in complying with landfill methane emission reduction regulations adopted by the air quality control commission.
Became lawGovernor Signed · 2026-05-21
Trafficking & Commercial Sexual Activity Offenses
In plain English Changes sentencing requirements for human trafficking and pimping offenses, allows courts to consider fund sources in bond decisions, and updates references to child sexual abuse offenses.
Official synopsis: Concerning modifying certain criminal law provisions, and, in connection therewith, changing sentencing requirements for human trafficking and certain pimping offenses, permitting a court to consider the source of funds when making bond determinations, and updating references to offenses involving commercial sexual activity with a child.
Out of committeeSenate Committee on Appropriations Lay Over Unamended – Amendment(s) Failed · 2026-05-14
Back-to-School Sales Tax Holiday
In plain English Allows a sales tax holiday on back-to-school items.
Official synopsis: Concerning a sales and use tax holiday for back-to-school items.
Out of committeeHouse Committee on Appropriations Lay Over Unamended – Amendment(s) Failed · 2026-05-14
Fallen Firefighter Special License Plate
In plain English Creates a special license plate to honor fallen firefighters.
Official synopsis: Concerning the creation of a fallen firefighter special license plate.
Out of committeeHouse Committee on Appropriations Lay Over Unamended – Amendment(s) Failed · 2026-05-14
Local Government Renewable Energy Development Fee
In plain English Allows local governments to charge optional application and success fees for renewable energy development projects.
Official synopsis: Concerning the process by which a local government controls the development of renewable energy projects, and, in connection therewith, authorizing a local government to implement an optional two-tier application fee program and a success fee.
Out of committeeSenate Second Reading Laid Over to 05/14/2026 – No Amendments · 2026-05-12
“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 1206 total roll-call votes this session).
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