First session in our record
Sessions in our record
2019
12
Mark Baisley
Colorado Senate
Senator, Senate District 4
- Colorado House of Representatives 2019–2022
- Colorado Senate 2023–present
Party: Republican
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49%
Passage rate
Bills decided
Became law
Across 12 completed sessions since 2019 (8 regular, 4 special), 125 bills Mark Baisley led as primary sponsor were decided, and 61 of them became law.
The share of decided bills Mark Baisley led as primary sponsor that became law, counting bills only from completed sessions. A bill is decided once it becomes law, is vetoed or fails. How we score
Legislative record
Where their bills are focused
- Telecommunications & Information Technology 2 of 2
- Elections & Redistricting 1 of 2
- Natural Resources & Environment 1 of 2
- State Government 1 of 2
- Crimes, Corrections, & Enforcement 0 of 2
- Education & School Finance (Pre & K-12) 0 of 2
The bills Mark Baisley led as primary sponsor in the 2026 Regular Session, by subject. A bill filed under several subjects counts under each. Showing the 6 busiest of 10 subjects. The chart covers bills only, not the 2 resolutions and other measures.
Passage rate, bills led
All bills in their chambers, same sessions
By session
| Session | Decided | Became law | Rate | |
|---|---|---|---|---|
| 2026 Regular Session CO Senate | 12 | 5 | 42% chamber 62% | 62% |
| 2025 Regular Session CO Senate | 25 | 9 | 36% chamber 83% | 83% |
| 2024 Regular Session CO Senate | 22 | 9 | 41% chamber 71% | 71% |
| 2023 Regular Session CO Senate | 21 | 12 | 57% chamber 84% | 84% |
| 2022 Regular Session CO House | 8 | 4 | 50% chamber 78% | 78% |
| 2021 Regular Session CO House | 16 | 12 | 75% chamber 78% | 78% |
| 2020 Regular Session CO House | 11 | 6 | 55% chamber 52% | 52% |
| 2019 Regular Session CO House | 4 | 3 | 75% chamber 71% | 71% |
| CO Senate, 7 sessions | 85 | 36 | 42% chamber 76% | 76% |
| CO House, 5 sessions | 40 | 25 | 63% chamber 69% | 69% |
Committees
- Artificial Intelligence Impact Task Force
- Local Government & Housing
- Pension Review Commission
- Technology
- Transportation & Energy
- Transportation Legislation Review
- Wildfire Matters Review
The committees Mark Baisley served on in the 2026 Regular Session.
Contact
Bills in the 2026 Regular Session
Second Amendment Protection Act
Bill number: HB 1021
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Courts & Judicial, Crimes, Corrections, & Enforcement
Last action: Feb 17, 2026
House Committee on Judiciary Postpone Indefinitely
Official bill pagePolitical Party Liability for Accessibility Requirements
Bill number: HB 1023
Type: Bill
Role: Primary sponsor
Outcome: Became law
Subjects: Elections & Redistricting
Last action: Apr 27, 2026
Governor Signed
Official bill pageProhibit Use of Personally Identifying Feature
Bill number: HB 1049
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Crimes, Corrections, & Enforcement
Last action: Feb 12, 2026
House Committee on State, Civic, Military, & Veterans Affairs Postpone Indefinitely
Official bill pageCounty Mail Ballot Signature Verification Requirements
Bill number: HB 1080
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Elections & Redistricting, Local Government
Last action: Apr 29, 2026
House Second Reading Special Order - Laid Over to 05/14/2026 - No Amendments
Official bill pageColorado State Forest Service Good Neighbor Authority
Bill number: HB 1205
Type: Bill
Role: Primary sponsor
Outcome: Became law
Subjects: Natural Resources & Environment, State Government
Last action: Apr 13, 2026
Governor Signed
Official bill pageDesignating Emergency Medical Services Essential Services
Bill number: HB 1238
Type: Bill
Role: Primary sponsor
Outcome: Became law
Subjects: Health Care & Health Insurance
Last action: May 5, 2026
Governor Signed
Official bill pagePerson's Rights Related to Their Children
Bill number: HCR 1004
Type: Concurrent resolution
Role: Primary sponsor
Outcome: Failed
Subjects: Children & Domestic Matters, Education & School Finance (Pre & K-12)
Last action: Apr 20, 2026
House Committee on State, Civic, Military, & Veterans Affairs Postpone Indefinitely
Official bill pageLocal Access State Parks Grant Program
Bill number: SB 30
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Local Government
Last action: Feb 10, 2026
Senate Committee on State, Veterans, & Military Affairs Postpone Indefinitely
Official bill pageRegistry in Colorado Department of Education for School Personnel
Bill number: SB 55
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Education & School Finance (Pre & K-12)
Last action: Feb 24, 2026
Senate Committee on State, Veterans, & Military Affairs Postpone Indefinitely
Official bill pageSchool Board Elections Director District Residents
Bill number: SB 57
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Education & School Finance (Pre & K-12)
Last action: Feb 24, 2026
Senate Committee on State, Veterans, & Military Affairs Postpone Indefinitely
Official bill pageRecreate Wildfire Matters Interim Committee
Bill number: SB 89
Type: Bill
Role: Primary sponsor
Outcome: Failed
Subjects: Natural Resources & Environment, State Government
Last action: May 14, 2026
Senate Committee on Appropriations Lay Over Unamended - Amendment(s) Failed
Official bill pageEnhance Security of Office of Information Technology
Bill number: SB 185
Type: Bill
Role: Primary sponsor
Outcome: Became law
Subjects: Telecommunications & Information Technology
Last action: Jun 2, 2026
Governor Signed
Official bill pageShowing 1–12 of 83 bills