Mike Weissman
Colorado State Senator, District 28 since 2024. Next on the ballot in 2028.
- In office
- 1 yr
- Since 2024
- Bills became law
- 56
- 89 sponsored, 2025–2026 session
- Votes missed
- 0.1%
- Chamber median 1.3%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +27.0
- Won 2024
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Judiciary · chair
- Legislative Audit · vice chair
- Health and Human Services
- Legal Services
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Crimes, Corrections, & Enforcement · Became law Jun 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Weissman sits in the Colorado State Senate
Weissman is closer to the center than 0% of the chamber's Democrats.
Closest: Lisa Cutter, Katie Wallace, Iman Jodeh
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:47 PM ET
With Weissman’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills53%
Black tick: the average of Democrats in the Colorado State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Weissman’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Weissman | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| May 13, 2026 | SB 115: Post-Conviction Relief for Certain Offenders | Yes | Yes | No | Passed 18–17 |
| May 13, 2026 | HB 1274: State Agency Payments to Grant Recipients | Yes | Yes | No | Passed 18–17 |
| May 13, 2026 | SB 131: Sports Betting Protections | Yes | Yes | No | Passed 20–15 |
| May 13, 2026 | HB 1255: Social Media Duty to Report & Search Warrants | Yes | Yes | No | Passed 18–17 |
| May 13, 2026 | HB 1418: Online Add-on Transaction Fee Youth Service Enterprise | Yes | Yes | No | Passed 18–17 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Weissman was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2024 | Colorado State Senate, District 28 | Won | D+27.0 |
| 2022 | Colorado House of Representatives, District 36 | Won | D+31.1 |
| 2020 | Colorado House of Representatives, District 36 | Won | D+22.4 |
| 2018 | Colorado House of Representatives, District 36 | Won | D+22.0 |
| 2016 | Colorado House of Representatives, District 36 | Won | D+10.6 |
Source: 99chambers results archive
Seats Weissman has held
- Colorado State Senate, District 28 · since 2024
- Colorado House of Representatives, District 36 · 2016–2024
Source: 99chambers results archive
Who Weissman has run against
- Pedro Espinoza (R) · 2024 general, won
- William Walters (R) · 2022 general, won
- Dustin Bishop (R) · 2020 general, won
- Richard J. Bowman (R) · 2018 general, won
- Richard J. Bowman (R) · 2016 general, won
Source: 99chambers results archive
How we know Weissman
One person, matched across every source we use.
- Open States ocd-person/b680cb39-442c-4dd2-81bd-88696cfe9df2
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET