Colorado Senate · District 27
Tom Sullivan
Democratic
Votes with the Senate President
92%
On 636 contested votes where both voted · 96% on all votes
Votes with own party
98%
Partisan rank: 7 of 35 in the Senate (tied with 4 others)
Didn't vote at roll call
2%
41 of 1,697 roll calls · 40 of them excused
Bills passed
10
14 sponsored · 9 became law · Rank 33 of 35 in the Senate
Bills that became law
9
of 10 passed · 1 vetoed
Where they sit
Every current senator, placed from most liberal to most conservative by how they voted on contested bills.
← Most liberalThe aisleMost conservative →
Votes with DemocratsCrosses party linesVotes with Republicans
Tom Sullivan's seat is marked. Seats run from most liberal (left) to most conservative (right), by contested floor votes. Color shows how often each member crosses party lines toward the middle on votes that divide the parties: solid blue or red means almost never, and purple means on at least 1 in 5 of those votes. Gray seats are members too new to score. How these numbers work
Colorado Senate12thpercentile
More liberal than 88% of the Colorado Senate.
Most liberalMost conservative
5th most liberal of 35
On the November 3 ballot
Running for Colorado Senate District 27.
Also on the ballot: Danielle Lammon (Republican), Michele Poague (Libertarian)
The scores
How these numbers work →Votes with the Senate President
92%
Each tick is a current senator, by party; the dot is Tom Sullivan.
On 636 contested votes where both voted96% on all 1,655 votes where both voted
Votes with own party
98%
Each tick is a current senator, by party; the dot is Tom Sullivan.
On 496 party-line votesPartisan rank: 7 of 35 in the Senate (tied with 4 others)6 senators vote with their party more often
Bills
The bills Tom Sullivan sponsored this term and how far they got. Co-sponsors aren’t counted.
| Bills | |
|---|---|
| Sponsored | 14 |
| Passed both chambers | 10 |
| Became law | 9 |
| Vetoed by the Governor | 1 |
Rank by bills passed: Rank 33 of 35 in the Senate · 22 of 23 Democrats
A Colorado bill has prime sponsors in each chamber: one or two who carry it in the chamber where it starts, and one or two who carry it in the other. Each prime sponsor is credited in their own chamber; additional sponsors and co-sponsors aren't counted.
Bills that passed both chambers
| Bill | Result | Final action |
|---|---|---|
| SB26-093 Workers' Compensation Insurance Coverage Verification |
Became law | May 29, 2026 |
| HB26-1144 Prohibit Three-Dimensional Printing Firearms & Components |
Became law | May 4, 2026 |
| SB26-004 Expand List of Petitioners for Protection Order |
Became law | April 6, 2026 |
| HB25-1284 Regulating Apprentices in Licensed Trades |
Became law | June 3, 2025 |
| SB25-187 Sunset Motorcycle Operator Safety Training Program |
Became law | June 2, 2025 |
| SB25-158 State Agency Procurement & Disposal Certain Items |
Became law | May 30, 2025 |
| HB25-1122 Automated Driving System Commercial Motor Vehicle |
Vetoed | May 29, 2025 |
| SB25-172 Uncontested Special Director District Election Cancellation |
Became law | April 18, 2025 |
| SB25-059 Supports for State Response to Mass Shootings |
Became law | April 10, 2025 |
| SB25-003 Semiautomatic Firearms & Rapid-Fire Devices |
Became law | April 10, 2025 |
Budget projects
Colorado's Long Bill, the state budget, doesn't name the legislator who asked for an item, so there's no budget figure for Colorado legislators.
Contested votes where they split
52 against the Senate President; 43 against most of their party.
| Date | Bill and motion | Their vote | Senate President | Most of their party |
|---|---|---|---|---|
| May 13, 2026 | HB26-1418: Online Add-on Transaction Fee Youth Service Enterprise Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 13, 2026 | SB26-048: Remove Exception to Marry with Judicial Approval House Amendments / Concur |
Nay | Yea (split) | Yea (split) |
| May 13, 2026 | SB26-115: Post-Conviction Relief for Certain Offenders House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 13, 2026 | SB26-131: Sports Betting Protections House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 13, 2026 | SB26-131: Sports Betting Protections House Amendments / Concur |
Nay | Yea (split) | Yea (split) |
| May 11, 2026 | HB26-1263: Conversational Artificial Intelligence Service Operator Requirements Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 11, 2026 | HB26-1419: Over-Refund of Excess State Revenues Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 8, 2026 | SB26-006: Parity for Non-Opioid Pain Management Drugs House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 8, 2026 | SB26-163: Regulation of Gaming & Sports Betting House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 8, 2026 | SB26-193: Local Ordinances & State Employees Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 5, 2026 | SB26-115: Post-Conviction Relief for Certain Offenders Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 29, 2026 | SB26-091: Exclusion of Newspaper Deliverers as Employees Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 28, 2026 | SB26-131: Sports Betting Protections Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 28, 2026 | SB26-131: Sports Betting Protections Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 27, 2026 | SB26-163: Regulation of Gaming & Sports Betting Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 20, 2026 | SB26-006: Parity for Non-Opioid Pain Management Drugs Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 17, 2026 | SB26-128: Sales & Use Tax Destination Management Company House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| April 17, 2026 | SB26-121: Overtime Threshold for Agricultural Employees House Amendments / Concur |
Nay | Yea (split) | Yea (split) |
| April 17, 2026 | SB26-066: Regulation of Compounded Weight-Loss Medication Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 16, 2026 | HB26-1380: Repeal Office of Judicial Discipline Ombudsman Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 16, 2026 | SB26-090: Exempt Critical Infrastructure from Right to Repair Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 13, 2026 | SB26-140: Exempt Drugs from Prescription Drug Affordability Board Reviews Third Reading / Passage |
Nay | Yea (split) | Nay |
| April 6, 2026 | SB26-009: Charitable Organization State Sales & Use Tax House Amendments / Concur |
Yea | Nay (split) | Yea |
| March 25, 2026 | SB26-128: Sales & Use Tax Destination Management Company Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| March 24, 2026 | SB26-121: Overtime Threshold for Agricultural Employees Committee of the Whole / Amendment |
Yea | Nay (split) | Yea |
| March 24, 2026 | SB26-121: Overtime Threshold for Agricultural Employees Committee of the Whole / Amendment |
Yea | Nay (split) | — |
| March 2, 2026 | SB26-053: Colorado Housing and Finance Authority Mortgage POST Officers First Responders Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| Feb. 17, 2026 | SR26-001: Morgan County Road Improvements Adoption |
Nay | Yea (split) | Nay |
| Aug. 25, 2025 | SB25B-005: Reallocate Department of Natural Resources Wolf Funding to Health Insurance Enterprise House Amendments / Concur |
Nay | Yea (split) | Yea (split) |
| May 7, 2025 | SB25-072: Regulation of Kratom House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 7, 2025 | HB25-1171: Possession of Weapon by Previous Offender Crimes House Amendments / Repassage |
Nay | Yea (split) | Yea (split) |
| May 7, 2025 | HB25-1171: Possession of Weapon by Previous Offender Crimes House Amendments / Concur |
Nay | Yea (split) | Yea (split) |
| May 7, 2025 | SB25-124: Reducing Costs of Health Care for Patients House Amendments / Adhere |
Nay | Nay | Yea (split) |
| May 6, 2025 | HB25-1273: Residential Building Stair Modernization Conference Committee Report / Repassage |
Nay | Yea (split) | Yea (split) |
| May 6, 2025 | HB25-1065: Jury Duty Opt-Out for Certain People Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 6, 2025 | HB25-1311: Deductions for Net Sports Betting Proceeds Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 6, 2025 | HB25-1163: Free Access to State Parks for Colorado Ute Tribes Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| May 2, 2025 | HB25-1319: County Commissioner Vacancies Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 30, 2025 | HB25-1062: Penalty for Theft of Firearms Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 29, 2025 | HB25-1273: Residential Building Stair Modernization Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 28, 2025 | SB25-072: Regulation of Kratom Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 25, 2025 | SB25-011: Detection Components for Wildfire Mitigation Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 24, 2025 | SB25-011: Detection Components for Wildfire Mitigation Committee of the Whole / Amendment |
Yea | Nay (split) | Nay (split) |
| April 23, 2025 | SB25-293: Transfers from License Plate Cash Fund Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| April 15, 2025 | HB25-1208: Local Governments Tip Offsets for Tipped Employees Third Reading / Passage |
Nay | Yea (split) | Nay |
| April 4, 2025 | HB25-1060: Electronic Fence Detection Systems Third Reading / Passage |
Nay | Yea (split) | Nay |
| April 2, 2025 | SB25-206: 2025-26 Long Appropriations Bill Committee of the Whole / Amendment |
Nay | Yea (split) | Nay |
| April 2, 2025 | SB25-206: 2025-26 Long Appropriations Bill Committee of the Whole / Amendment |
Nay | Yea (split) | Nay |
| March 26, 2025 | SB25-124: Reducing Costs of Health Care for Patients Third Reading / Passage |
Nay | Nay | Yea (split) |
| March 17, 2025 | SB25-160: Motor Vehicle Sales by Manufacturers' Affiliates Third Reading / Passage |
Nay | Yea (split) | — |
| March 14, 2025 | HB25-1041: Student Athlete Name Image or Likeness Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| March 7, 2025 | SB25-128: Agricultural Worker Service Providers Access Private Property Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
| March 6, 2025 | SB25-141: Municipal Government Exemption from Energy Code Requirements Third Reading / Passage |
Nay | Yea (split) | Nay |
| Feb. 20, 2025 | SB25-033: Prohibit New Liquor-Licensed Drug Stores Third Reading / Passage |
Nay | Yea (split) | Yea (split) |
Every roll call
How Tom Sullivan voted on each of the 1,697 floor roll calls while in office, newest first.
| Date | Vote | Their vote | Most of their party | Senate President | Yeas–nays |
|---|---|---|---|---|---|
| Loading… | |||||
Contested and party-line votes link to their own pages; the rest link to the official record.
Contact, committees and caucuses
Contact
- Official page
- leg.colorado.gov
- tom.sullivan.senate@coleg.gov
- Capitol office
- State Capitol Room 346, Colorado Building 200 E. Colfax Ave., Denver, CO 80203
303-866-4873
Committees
- State, Veterans and Military Affairs Vice chair
- Transportation Legislation Review
- Transportation and Energy
Contact details and committee assignments from Open States' data on the Colorado General Assembly, which it collects from the chambers' websites, as of Oct. 15, 2026.
Source: the Colorado General Assembly's floor vote records, Jan. 8, 2025 to May 13, 2026. How these numbers work · Corrections