# Tom Umberg

Tom Umberg is a Democratic member of the California Senate for district 34.

- Party: Democrat
- Seat: California Senate, district 34
- Serving since: 2018-12-03
- Current term: CA 2025–26 session
- Open States ID: ocd-person/cecabb81-51ab-46f5-9815-cc3486da0632

Source: https://americaspoliticalpulse.com/p/cecabb81-51ab-46f5-9815-cc3486da0632 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

The policy areas Umberg talks about and legislates on agree at 0.71 on a 0–1 scale, in the top 5% of State Senate Democrats.

## What Umberg says (CA 2025–26 session)

834 classified statements: 834 posts on X. Each rate is the share of statements with the label, against the State Senate Democrats average; rank 1 is the highest rate.

| Label | Umberg | State Senate Democrats average | Rank |
|---|---|---|---|
| Personal attacks | 1.0% | 2.4% | 134 of 329 |
| Policy criticism | 4.6% | 10.3% | 209 of 329 |
| Policy discussion | 58.8% | 42.9% | 81 of 329 |
| Bipartisanship | 2.5% | 3.4% | 160 of 329 |
| Credit claiming | 21.9% | 16.1% | 90 of 329 |
| Extreme labels | 0.1% | 0.8% | 119 of 329 |

Most discussed policy areas: Health 17% (State Senate Democrats 17%); Government Operations and Politics 16% (State Senate Democrats 14%); Education 10% (State Senate Democrats 15%); Civil Rights and Liberties, Minority Issues 8.2% (State Senate Democrats 8.4%); Law 8.0% (State Senate Democrats 2.2%).

## Ideology (CSIP)

CSIP score −0.60 (standard error 0.02), from 216 donors and 1,152 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 59% of State Senate Democrats score lower.

## Votes (CA 2025–26 session)

3,673 roll calls. Attendance 97.6% (California Senate 93.8%). Party unity 99.1% (98.7%). 7 votes against the party majority.

Key votes:

- 2026-09-01 · voted yea · 3rd Reading AB113 Gabriel By Laird · AB 113 Budget Act of 2026. · pass · https://openstates.org/ca/bills/20252026/AB113/
- 2026-08-31 · voted not voting · 3rd Reading AB2564 Ward et al. By Wiener · AB 2564 Surveillance pricing. · pass · https://openstates.org/ca/bills/20252026/AB2564/
- 2026-08-31 · voted yea · 3rd Reading AB1349 Bryan et al. By Cabaldon · AB 1349 Consumer protection: ticket sellers. · pass · https://openstates.org/ca/bills/20252026/AB1349/
- 2026-08-31 · voted yea · 3rd Reading AB187 BUDGET (Gabriel) By Laird · AB 187 Employment. · pass · https://openstates.org/ca/bills/20252026/AB187/
- 2026-08-31 · voted yea · 3rd Reading AB2694 Alvarez et al. By Cabaldon · AB 2694 Public postsecondary education: community colleges: statewide baccalaureate degree program. · pass · https://openstates.org/ca/bills/20252026/AB2694/
- 2026-08-31 · voted yea · 3rd Reading AB191 BUDGET (Gabriel) By Laird · AB 191 2028 Olympic and Paralympic Games. · pass · https://openstates.org/ca/bills/20252026/AB191/
- 2026-08-31 · voted yea · 3rd Reading AB2059 Wilson et al. By Cortese · AB 2059 California Environmental Quality Act: transportation impacts: vehicle miles traveled: mitigation. · pass · https://openstates.org/ca/bills/20252026/AB2059/
- 2026-08-31 · voted yea · 3rd Reading AB1680 Calderon et al. By Allen · AB 1680 California FAIR Plan Association. · pass · https://openstates.org/ca/bills/20252026/AB1680/
- 2026-08-31 · voted yea · 3rd Reading AB1331 Elhawary et al. By Durazo · AB 1331 Workplace surveillance. · pass · https://openstates.org/ca/bills/20252026/AB1331/
- 2026-08-31 · voted yea · 3rd Reading AB173 BUDGET (Gabriel) By Laird · AB 173 Health. · pass · https://openstates.org/ca/bills/20252026/AB173/

## Legislation (CA 2025–26 session)

Sponsored 34 bills: 34 reached committee, 32 passed one chamber, 29 passed both, 28 became law. Cosponsored 138. 100.0% of sponsored bills got out of committee (California Senate 88.1%; rank 4 of 39).

Recent sponsored bills:

- SCR 162: Relative to CASA Appreciation Day. (became law, 2026-05-29) https://openstates.org/ca/bills/20252026/SCR162/
- SCR 154: Relative to Green Star Veterans and Families Day. (became law, 2026-05-29) https://openstates.org/ca/bills/20252026/SCR154/
- SCR 151: Relative to Anterior Cruciate Ligament (ACL) Injury Awareness Month. (became law, 2026-06-09) https://openstates.org/ca/bills/20252026/SCR151/
- SCR 143: Relative to Hmong Laotian Special Guerilla Unit veterans. (became law, 2026-07-02) https://openstates.org/ca/bills/20252026/SCR143/
- SR 85: Relative to Multiple Sclerosis Awareness Week. (passed one chamber, 2026-03-12) https://openstates.org/ca/bills/20252026/SR85/
- SCR 123: California Peace Officers' Memorial Day. (became law, 2026-05-21) https://openstates.org/ca/bills/20252026/SCR123/
- SB 883: Hazardous materials: reactive chemicals: methyl methacrylate: facilities. (became law, 2026-09-27) https://openstates.org/ca/bills/20252026/SB883/
- SB 884: Elections in 2026 through 2029. (became law, 2026-09-19) https://openstates.org/ca/bills/20252026/SB884/
- SCR 66: Relative to Law Day. (became law, 2025-07-18) https://openstates.org/ca/bills/20252026/SCR66/
- SCR 42: Relative to Arab American Heritage Month. (became law, 2025-05-29) https://openstates.org/ca/bills/20252026/SCR42/

## Campaign money (2026 cycle)

Itemized receipts $16.4K (State Senate Democrats median $55.5K). Aggregates only; no individual donors.

## Recent statements

Newest first. Posts on X are listed by date and link only.

- 2026-10-26 · Post on X · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2114829175714410539
- 2026-10-26 · Post on X · labels: policy discussion, credit claiming · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2114842349771616599
- 2026-10-26 · Post on X · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2114842350794969293
- 2026-09-28 · Post on X · labels: policy discussion · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2104667999332401222
- 2026-09-28 · Post on X · labels: policy discussion, credit claiming · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2104674151466233925
- 2026-09-23 · Post on X · labels: policy discussion, credit claiming · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2102825124659388810
- 2026-09-19 · Post on X · labels: policy discussion · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2101438469381734791
- 2026-09-19 · Post on X · labels: policy discussion · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2101438471617249403
- 2026-09-19 · Post on X · labels: policy discussion, credit claiming · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2101441247533539426
- 2026-09-19 · Post on X · labels: policy discussion, credit claiming · https://x.com/SenatorUmberg, https://www.twitter.com/TomUmbergCA/status/2101446253083021430

## Links

- Official site: https://sd34.senate.ca.gov/
- Campaign site: https://www.tomumberg.com/Tom Umberg
- X: https://x.com/SenatorUmberg
- X: https://x.com/TomUmbergCA
- Facebook: https://www.facebook.com/SenatorUmberg
- Facebook: https://www.facebook.com/umberg4senate/
- Instagram: https://www.instagram.com/senator_umberg

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/cecabb81-51ab-46f5-9815-cc3486da0632