
Sen. Mike Weissman
Democratic Colorado Senate · District 28 · Colorado
-0.488Left–right score (within Senate)−1 = most liberal, +1 = most conservative in this chamber. Only compare with others in the same chamber.
#2 of 35Chamber rank, liberal→conservative#1 is the most liberal ranked member of this chamber.
98.8%Party unityHow often they vote the same way as most of their own party.
1086Roll calls (2 missed/absent)Recorded votes we have for this session; “missed” means they didn’t vote.
In office since 2025-01-08 · mike.weissman.senate@coleg.gov · leg.colorado.gov/…/mike-weissman · Open States ID b680cb39-442c-4dd2-81bd-88696cfe9df2
Capitol: State Capitol Room 346, Colorado Building 200 E. Colfax Ave., Denver, CO 80203 303-866-4879
Where they sit in the Colorado Senate
Each gray bar counts how many ranked members of the Colorado Senate have a score in that range, from most liberal (left) to most conservative (right). The colored line is Mike Weissman. Scores are relative to this chamber only.
Chamber, by party
Each tick is one ranked member, placed by their score (blue D, red R, purple I/other). The tall tick is Mike Weissman.
Committees
- Health and Human Services
- Judiciary (chair)
- Legal Services
- Legislative Audit (vice chair)
Recent votes (latest 60 of 1086 in the current session data)
| Date | Bill / motion | Vote | Result |
|---|---|---|---|
| 2026-05-11 | HB 1432 Refer House Bill 26-1432 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Health-Care Payment Programs | Yea | Pass |
| 2026-05-11 | HB 1427 Refer House Bill 26-1427 to the Committee of the Whole. Uniform Antitrust Pre-Merger Notification Update | Nay | Pass |
| 2026-05-11 | HB 1063 Refer House Bill 26-1063 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Treating People with Behavioral Health Disorder | Yea | Pass |
| 2026-05-11 | HB 1307 Refer House Bill 26-1307 to the Committee on Appropriations. Sunset Colorado Medical Board | Yea | Pass |
| 2026-05-11 | HB 1425 Refer House Bill 26-1425 to the Committee on Appropriations. Applied Behavior Analysis Services | Yea | Pass |
| 2026-05-11 | HB 1138 Refer House Bill 26-1138 to the Committee of the Whole. Retail Theft Prevention Program | Yea | Pass |
| 2026-05-11 | HB 1325 Refer House Bill 26-1325, as amended, to the Committee on Appropriations. Natural Medicine | Yea | Pass |
| 2026-05-11 | HB 1426 Refer House Bill 26-1426 to the Committee of the Whole. Department of Law Legislative Report | Yea | Pass |
| 2026-05-07 | HB 1223 Adopt amendment L.020 (Attachment K) Modifying Certain Tax Expenditures | Yea | Pass |
| 2026-05-07 | HB 1223 Adopt amendment L.015 (Attachment L) Modifying Certain Tax Expenditures | Yea | Pass |
| 2026-05-07 | HB 1289 Refer House Bill 26-1289, as amended, to the Committee on Appropriations. Modification of Certain Tax Expenditures | Yea | Pass |
| 2026-05-07 | HB 1289 Adopt amendment L.068 (Attachment Q) Modification of Certain Tax Expenditures | Nay | Fail |
| 2026-05-07 | HB 1223 Refer House Bill 26-1223, as amended, to the Committee on Appropriations. Modifying Certain Tax Expenditures | Yea | Pass |
| 2026-05-07 | HB 1289 Adopt amendment L.069 (Attachment O) Modification of Certain Tax Expenditures | Yea | Pass |
| 2026-05-06 | HB 1421 Refer House Bill 26-1421, as amended, to the Committee of the Whole. Fee Sharing with Nonlawyers in Legal Practice | Yea | Pass |
| 2026-05-06 | SB 71 Postpone Senate Bill 26-071 indefinitely. Use of Surveillance Technology by Law Enforcement | Yea | Pass |
| 2026-05-06 | HB 1315 Refer House Bill 26-1315 to the Committee of the Whole. Accurate Documents for Parole Determinations | Yea | Pass |
| 2026-05-06 | HB 1255 Refer House Bill 26-1255, as amended, to the Committee of the Whole. Social Media Duty to Report & Search Warrants | Yea | Pass |
| 2026-05-06 | HB 1236 Refer House Bill 26-1236, as amended, to the Committee of the Whole. Arbitration Reform | Yea | Pass |
| 2026-05-06 | HB 1281 Refer House Bill 26-1281 to the Committee of the Whole. Homicide Criminal Offenses | Yea | Pass |
| 2026-05-04 | SB 176 Refer Senate Bill 26-176 to the Committee on Appropriations. State Remedies for Constitutional Rights Violation | Yea | Fail |
| 2026-05-04 | HB 1256 Refer House Bill 26-1256 to the Committee on Appropriations. Procedures & Data Individual's Release from Department of Corrections | Yea | Pass |
| 2026-05-04 | SB 176 Postpone Senate Bill 26-176 indefinitely using a reversal of the previous roll call. There was no objection to the use of the reverse roll call, therefore, the State Remedies for Constitutional Rights Violation | Nay | Pass |
| 2026-05-04 | HB 1276 Refer House Bill 26-1276, as amended, to the Committee on Appropriations. Protect Safety of Individuals Who Are Immigrants | Yea | Pass |
| 2026-04-30 | HB 1336 Refer House Bill 26-1336, as amended, to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Increase Access to Pharmacy Services | Yea | Pass |
| 2026-04-30 | HB 1227 Refer House Bill 26-1227 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Minors' Rights in Dependency & Neglect Proceedings | Yea | Pass |
| 2026-04-30 | HB 1314 Refer House Bill 26-1314 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Family Stability & Kinship Care | Yea | Pass |
| 2026-04-30 | SB 167 Refer Senate Bill 26-167, as amended, to the Committee on Appropriations. Prescription Drug Out-of-Pocket Expense Credit | Yea | Pass |
| 2026-04-30 | SB 100 Postpone Senate Bill 26-100 indefinitely. Youth Sports Safety Requirements | Excused | Pass |
| 2026-04-30 | HB 1347 Refer House Bill 26-1347 to the Committee on Appropriations. Federal Disability Benefits for Foster Care Youth | Yea | Pass |
| 2026-04-30 | HB 1069 Refer House Bill 26-1069, as amended, to the Committee on Appropriations. Availability of Emergency Medical Services | Yea | Pass |
| 2026-04-29 | HB 1344 Refer House Bill 26-1344 to the Committee on Appropriations. Sunset Podiatry Board | Yea | Pass |
| 2026-04-29 | HB 1343 Refer House Bill 26-1343, as amended, to the Committee of the Whole. Electronic Process in Competency & Administrative Hearings | Excused | Pass |
| 2026-04-29 | SB 177 Refer Senate Bill 26-177, as amended, to the Committee of the Whole. Access Adjoining Property to Repair or Maintain | Yea | Pass |
| 2026-04-29 | HB 1235 Refer House Bill 26-1235 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Updates to Medicaid | Yea | Pass |
| 2026-04-27 | HB 1312 Refer House Bill 26-1312, as amended, to the Committee of the Whole. Peace Officers Standards & Training Board Changes | Yea | Pass |
| 2026-04-27 | HB 1322 Refer House Bill 26-1322, as amended, to the Committee of the Whole. Civil Actions for Conversion Therapy Survivors | Yea | Pass |
| 2026-04-27 | HB 1052 Refer House Bill 26-1052 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Rights for Victims of Certain Crimes | Yea | Pass |
| 2026-04-27 | HB 1290 Refer House Bill 26-1290 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Criminal Offense of Assault | Yea | Pass |
| 2026-04-27 | HB 1283 Refer House Bill 26-1283, as amended, to the Committee of the Whole. Protections Regarding Seizures of Identification Documents | Yea | Pass |
| 2026-04-27 | SB 174 Refer Senate Bill 26-174, as amended, to the Committee of the Whole. Prohibit Lead Generation Legal Marketing | Yea | Pass |
| 2026-04-23 | HB 1109 Refer House Bill 26-1109, as amended, to the Committee on Appropriations. Sign Language Consumer Protection Study | Yea | Pass |
| 2026-04-23 | HB 1241 Postpone House Bill 26-1241 indefinitely. Carrier to Notify Provider Material Change Contract | Yea | Pass |
| 2026-04-23 | SB 130 Postpone Senate Bill 26-130 indefinitely. Medical Spas Deceptive Trade Practices | Yea | Pass |
| 2026-04-23 | SB 146 Refer Senate Bill 26-146, as amended, to the Committee of the Whole. Restrict Single-Use Food Serviceware Distribution | Yea | Pass |
| 2026-04-23 | SB 138 Refer Senate Bill 26-138, as amended, to the Committee on Appropriations. Reducing Administrative Burdens on Health Care | Yea | Pass |
| 2026-04-22 | HB 1214 Refer House Bill 26-1214, as amended, to the Committee on Appropriations. Sunset Substance Abuse Treatment Program Licensing | Yea | Pass |
| 2026-04-22 | SB 169 Refer Senate Bill 26-169 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Revisor's Bill | Yea | Pass |
| 2026-04-22 | HB 1288 Refer House Bill 26-1288 to the Committee of the Whole. Jury Selection Requirements | Yea | Pass |
| 2026-04-22 | SB 162 Refer Senate Bill 26-162, as amended, to the Committee of the Whole. Sensitive Test Results in Health Care | Nay | Pass |
| 2026-04-22 | HB 1123 Refer House Bill 26-1123, as amended, to the Committee on Appropriations. Preventing Sexual Abuse in Jails | Yea | Pass |
| 2026-04-22 | HB 1260 Refer House Bill 26-1260, as amended, to the Committee on Appropriations. Updates to Child Care Assistance Programs | Yea | Pass |
| 2026-04-20 | SB 149 Refer Senate Bill 26-149, as amended, to the Committee on Appropriations. Pathways for Individuals with Mental Health Disorder | Yea | Pass |
| 2026-04-16 | SB 83 Refer Senate Bill 26-083 to the Committee of the Whole. Rule Review Bill | Yea | Pass |
| 2026-04-13 | SB 36 Refer Senate Bill 26-036, as amended, to the Committee on Appropriations. Prison Population Management Measures | Yea | Pass |
| 2026-04-13 | SB 96 Postpone Senate Bill 26-096 indefinitely. Justice-Involved Veterans | Yea | Pass |
| 2026-04-13 | SB 158 Refer Senate Bill 26-158, as amended, to the Committee of the Whole. Youthful Offender Early Parole Procedure | Yea | Pass |
| 2026-04-13 | SB 159 Refer Senate Bill 26-159, as amended, to the Committee of the Whole. Inmate Earned Time Formula for Sentence to Department of Corrections | Yea | Pass |
| 2026-04-09 | HB 1194 Refer House Bill 26-1194, as amended, to the Committee on Appropriations. Sunset Combative Sports Office & Commission | Yea | Pass |
| 2026-04-09 | HB 1305 Refer House Bill 26-1305 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. Licensing of Behavioral Health Facilities | Yea | Pass |