Nonpartisan · Data from OpenStates / Plural Policy · California
Votes with Democrats
99%
on 1,169 party-line votes · Senate Democrats median 99%
Cast a vote
97%
Yea or Nay on 4,821 of 4,951 roll calls · Senate median 96%
Their bills that became law
51 of 69
as a primary sponsor, this session · Democrats median 34
Roll calls on record
4,951
2025-2026 Regular Session
Votes and bills updated Oct 4, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 2025-2026 Regular Session.
How Tom Umberg votes
A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.
Where Tom Umberg sits in the Senate
Each dot is one member of the Senate, placed by how often they voted on the Democratic side of party-line votes. Tom Umberg is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
10 of 1,169 party-line votes.
AB2005 · Housing developments: urban lot split: owner-occupancy.
Assembly 3rd Reading AB2005 Ahrens et al. By Arreguín · 2026-08-25 · Passed 18–11 · most Democrats voted the other way
AB1720 · Ticket sellers.
Do pass, but first be re-referred to the Committee on [Appropriations] · 2026-06-30 · Passed 8–4 · most Democrats voted the other way
SB1105 · Law enforcement.
Senate 3rd Reading SB1105 Pérez et al · 2026-05-27 · Passed 21–13 · most Democrats voted the other way
SB694 · Deceptive practices: service members and veterans.
W/O REF. TO FILE SB694 Archuleta · 2026-01-26 · Passed 25–6 · most Democrats voted the other way
AB1231 · Criminal procedure: Safer Communities Through Opportunities Act.
Assembly 3rd Reading AB1231 Elhawary et al. By Cortese · 2025-09-13 · Passed 21–16 · most Democrats voted the other way
AB1231 · Criminal procedure: Safer Communities Through Opportunities Act.
Assembly 3rd Reading AB1231 Elhawary et al. By Cortese · 2025-09-12 · Passed 21–16 · most Democrats voted the other way
AB699 · Elections: local tax measures.
Assembly 3rd Reading AB699 Stefani By Wiener · 2025-09-11 · Passed 24–13 · most Democrats voted the other way
SB634 · Local government: homelessness.
Unfinished Business SB634 Pérez et al. Concurrence · 2025-09-10 · Passed 22–16 · most Democrats voted the other way
AB321 · Misdemeanors.
Assembly 3rd Reading AB321 Schultz et al. By Wiener · 2025-09-04 · Passed 23–13 · most Democrats voted the other way
SB722 · Transit-oriented housing development: excluded parcels and sites.
Do pass, but first be re-referred to the Committee on [Appropriations] · 2025-04-29 · Failed 3–3 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB722 · Transit-oriented housing development: excluded parcels and sites.
Do pass, but first be re-referred to the Committee on [Appropriations] · 2025-04-29 · Failed 3–3
AB1921 · Digital games: ordinary use.
Do pass, but first be re-referred to the Committee on [Appropriations] · 2026-06-29 · Passed 4–3
SB1225 · Initiative and referendum measures: title and summary.
Do pass, but first be re-referred to the Committee on [Appropriations] · 2026-04-21 · Passed 3–2
SCA3 · Elections: initiatives and referenda.
Be adopted, but first be re-referred to the Committee on [Appropriations] · 2026-04-21 · Passed 3–2
SB1354 · The military: defense of the state.
Do pass, but first be re-referred to the Committee on [Public Safety] · 2026-04-20 · Passed 3–1
Republicans they vote with most
Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.
Megan DahleRepublican · District 1 · 752 shared contested votes
9%
Rosilicie Ochoa BoghRepublican · District 23 · 785 shared contested votes
8%
Suzette ValladaresRepublican · District 23 · 807 shared contested votes
6%
Their session, month by month
Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (130 in all). Gaps are months the chamber wasn’t voting.
← California Delegation
YeaYeaYeaYeaYeaAbsentYeaYeaYeaYeaYeaAbsentYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaAbsentYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaAbsentYea
Their bills, from filing to law
Bills Tom Umberg was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.
Introduced69
Out of committee68
Passed one chamber61
Passed both chambers54
Became law51
Never left committee1
For comparison, the median Democratic member of the Senate has 34 bills that became law this session.
Public health: nitrous oxide.
An act to add Section 22984 to the Business and Professions Code, relating to public health.
Became lawChaptered by Secretary of State. Chapter 979, Statutes of 2026. · 2026-09-30
Attorneys, arbitrators, judicial officers, and alternative resolution providers.
An act to amend Section 6173 of, and to add Section 6068.1 to, the Business and Professions Code, and to amend Section 128.7 of, and to add Sections 180 and 1282.1 to, the Code of Civil Procedure, relating to civil proceedings.
Became lawChaptered by Secretary of State. Chapter 858, Statutes of 2026. · 2026-09-30
Alcohol and drug programs.
An act to amend Sections 11833.05 and 11834.31 of the Health and Safety Code, relating to public health.
VetoedIn Senate. Consideration of Governor's veto pending. · 2026-09-30
Contractors: unlicensed work.
An act to amend Section 7031 of the Business and Professions Code, relating to professions and vocations.
Became lawChaptered by Secretary of State. Chapter 967, Statutes of 2026. · 2026-09-30
Civil actions: housing development projects.
An act to amend Sections 529.2 and 904.1 of, and to add Section 425.21 to, the Code of Civil Procedure, relating to civil actions.
Became lawChaptered by Secretary of State. Chapter 811, Statutes of 2026. · 2026-09-29
Courthouses: privilege from civil arrest.
An act to add Sections 43.541 and 43.542 to, and to repeal and add Section 43.54 of, the Civil Code, relating to courts.
Became lawChaptered by Secretary of State. Chapter 753, Statutes of 2026. · 2026-09-29
Property tax: welfare exemption: detention facilities.
An act to add Section 214.12 to the Revenue and Taxation Code, relating to taxation.
Became lawChaptered by Secretary of State. Chapter 750, Statutes of 2026. · 2026-09-29
Streaming services: commercial advertisements.
An act to amend Sections 22775 and 22776 of, and to amend the heading of Chapter 27.3 (commencing with Section 22775) of Division 8 of, the Business and Professions Code, relating to streaming services.
Became lawChaptered by Secretary of State. Chapter 735, Statutes of 2026. · 2026-09-28
Community Assistance, Recovery, and Empowerment (CARE) Court Program.
An act to add Section 5974.5 to the Welfare and Institutions Code, relating to courts.
Became lawChaptered by Secretary of State. Chapter 667, Statutes of 2026. · 2026-09-27
Political Reform Act of 1974: top contributors: disclosures.
An act to amend Sections 84502, 84503, 84504.2, and 84506.5 of the Government Code, relating to the Political Reform Act of 1974.
Became lawChaptered by Secretary of State. Chapter 659, Statutes of 2026. · 2026-09-27
Hazardous materials: reactive chemicals: methyl methacrylate: facilities.
An act to add Section 65850.21 to the Government Code, and to amend Sections 25404 and 25532 of, and to add Section 25404.7 to, the Health and Safety Code, relating to hazardous materials.
Became lawChaptered by Secretary of State. Chapter 658, Statutes of 2026. · 2026-09-27
Alcohol and drug recovery: licensed treatment facilities and certified programs: investigations.
An act to add Sections 11832.121 and 11834.11 to the Health and Safety Code, relating to alcohol and drug programs.
Became lawChaptered by Secretary of State. Chapter 646, Statutes of 2026. · 2026-09-27
Elections in 2026 through 2029.
An act to add and repeal Chapter 5 (commencing with Section 400) of Division 0.5 of the Elections Code, relating to elections, and declaring the urgency thereof, to take effect immediately.
Became lawChaptered by Secretary of State. Chapter 340, Statutes of 2026. · 2026-09-19
Nitrous oxide: sales.
An act to amend Sections 22973.1, 22977.2, 22980.3, and 22980.5 of, and to add Sections 22980.7 and 22980.8 to, the Business and Professions Code, and to add Chapter 10 (commencing with Section 119408) to Part 15 of Division 104 of the Health and Safety Code,…
Became lawChaptered by Secretary of State. Chapter 317, Statutes of 2026. · 2026-09-18
Purple Heart Day.
Relative to Purple Heart Day.
Became lawChaptered by Secretary of State. Res. Chapter 198, Statutes of 2026. · 2026-08-24
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
AB2634 · 2026-10-01
Workforce development: High road training partnerships: scoring preference. (Assembly 3rd Reading AB2634 Zbur By Durazo)
AB113 · 2026-09-01
Budget Act of 2026. (Assembly 3rd Reading AB113 Gabriel By Laird)
SB931 · 2026-09-01
Dolly Parton Day. (W/O REF. TO FILE SB931 Grove Urgency Clause)
AB904 · 2026-08-31
Carpet recycling. (Assembly 3rd Reading AB904 Aguiar-Curry By Cabaldon)
AB2204 · 2026-08-31
Prisons: organized sports programming. (Assembly 3rd Reading AB2204 Gabriel et al. By Becker)
SB886 · 2026-08-31
California Technology Innovation and Ratepayer Protection Act. (W/O REF. TO FILE SB886 Padilla)
SB1180 · 2026-08-31
Plastic Pollution Prevention and Packaging Producer Responsibility Act: California Plastic Pollution Mitigation Fund. (Unfinished Business SB1180 Allen Concurrence)
AB190 · 2026-08-31
Early care and education. (Assembly 3rd Reading AB190 BUDGET (Gabriel) By Laird)
SB574 · 2026-08-31
Attorneys, arbitrators, judicial officers, and alternative resolution providers. (Unfinished Business SB574 Umberg et al. Concurrence)
AB1680 · 2026-08-31
California FAIR Plan Association. (Assembly 3rd Reading AB1680 Calderon et al. By Allen)
SB715 · 2026-08-31
Elections. (Unfinished Business SB715 Allen Concurrence)
AB2564 · 2026-08-31
Surveillance pricing. (Assembly 3rd Reading AB2564 Ward et al. By Wiener)
SB1365 · 2026-08-31
Price gouging. (Unfinished Business SB1365 Allen et al. Concurrence)
SB876 · 2026-08-31
Fire and residential property insurance. (Unfinished Business SB876 Padilla et al. Concurrence)
SB16 · 2026-08-31
Mental health: involuntary commitment. (W/O REF. TO FILE SB16 Blakespear)
SB337 · 2026-08-31
Prisons. (Unfinished Business SB337 Menjivar et al. Concurrence)
SB1050 · 2026-08-31
False advertising: synthetic performers. (W/O REF. TO FILE SB1050 Ashby)
AB664 · 2026-08-31
Community colleges: baccalaureate degree program: Southwestern Community College District. (Assembly 3rd Reading AB664 Alvarez et al. By Padilla)
AB187 · 2026-08-31
Employment. (Assembly 3rd Reading AB187 BUDGET (Gabriel) By Laird)
SB795 · 2026-08-31
Air pollution: gasoline vapor control systems: ethanol blends. (W/O REF. TO FILE SB795 Archuleta)
SB423 · 2026-08-31
California Public Records Act: private detention facilities. (Unfinished Business SB423 Gonzalez et al. Concurrence)
AB192 · 2026-08-31
Energy: transmission infrastructure accelerator: financing. (Assembly 3rd Reading AB192 BUDGET (Gabriel) By Laird)
AB2760 · 2026-08-31
Law enforcement: wearable electroshock devices. (Assembly 3rd Reading AB2760 Sharp-Collins et al. By Arreguín)
SB1392 · 2026-08-31
Smog check: exemption: collector motor vehicles. (Unfinished Business SB1392 Cortese et al. Concurrence)
AB1331 · 2026-08-31
Workplace surveillance. (Assembly 3rd Reading AB1331 Elhawary et al. By Durazo)
AB1969 · 2026-08-31
California Community Schools Partnership Program: Promise Neighborhoods. (Assembly 3rd Reading AB1969 Bonta et al. By Ashby)
AB1903 · 2026-08-31
Construction defects. (Assembly 3rd Reading AB1903 Wicks et al. By Ashby)
SB903 · 2026-08-31
Mental health professionals: artificial intelligence. (Unfinished Business SB903 Padilla et al. Concurrence)
AB2493 · 2026-08-31
Electrical corporations: interconnection: Public Utilities Commission: transmission development monitor. (Assembly 3rd Reading AB2493 Petrie-Norris By Stern)
AB1156 · 2026-08-31
Williamson Act contracts: cancellation fees: photovoltaic solar facilities. (Assembly 3rd Reading AB1156 Wicks By Laird)
SB895 · 2026-08-31
California Science and Health Research Bond Act. (Unfinished Business SB895 Wiener et al. Urgency Clause Concurrence)
AB2727 · 2026-08-31
Corrections: parole and prerelease treatment. (Assembly 3rd Reading AB2727 Nguyen et al. By Rubio)
SB1009 · 2026-08-31
Juveniles: detention. (Unfinished Business SB1009 Becker et al. Concurrence)
SB907 · 2026-08-31
Driving under the influence and other driving offenses: comprehensive reform. (Unfinished Business SB907 Archuleta et al. Concurrence)
AB1795 · 2026-08-31
Smoke Damage Recovery Act. (Assembly 3rd Reading AB1795 Gipson By Allen)
AB2440 · 2026-08-31
Arts and Music in Schools—Funding Guarantee and Accountability Act: allowable uses: pooled funding: certifications. (Assembly 3rd Reading AB2440 Muratsuchi et al. By Allen)
SB615 · 2026-08-31
Vehicle traction batteries. (Unfinished Business SB615 Allen et al. Concurrence)
SB716 · 2026-08-31
Local government: ordinances: penalties for violation: nonresidential structures. (W/O REF. TO FILE SB716 Durazo)
AB1709 · 2026-08-31
Covered platforms: age restriction: e-Safety Advisory Commission. (Assembly 3rd Reading AB1709 Lowenthal et al. By Stern)
SB1228 · 2026-08-31
Advertising displays: exemptions: arenas and redevelopment agency projects. (W/O REF. TO FILE SB1228 Rubio)
AB2717 · 2026-08-31
Outdoor advertising displays: arenas: exemptions. (Assembly 3rd Reading AB2717 Caloza By Reyes)
AB1871 · 2026-08-31
Pupil instruction: dual enrollment: College and Career Access Pathways partnerships. (Assembly 3rd Reading AB1871 Fong et al. By Pérez)
AB2414 · 2026-08-31
Developmental services: direct support professionals. (Assembly 3rd Reading AB2414 Nguyen By Reyes)
AB1841 · 2026-08-31
State holidays: Native American Day. (Assembly 3rd Reading AB1841 Ramos et al. By Richardson)
AB2383 · 2026-08-31
Electricity: data centers. (Assembly 3rd Reading AB2383 Zbur et al. By Allen)
AB2047 · 2026-08-31
Firearms: 3-dimensional printing blocking technology. (Assembly 3rd Reading AB2047 Bauer-Kahan et al. By Blakespear)
SB1087 · 2026-08-31
Transportation planning: sustainable communities strategies: transportation funding programs. (Unfinished Business SB1087 Cabaldon Concurrence)
AB1307 · 2026-08-31
Licensed Dentists from Mexico Pilot Program. (Assembly 3rd Reading AB1307 Ávila Farías et al. By Caballero)
AB1349 · 2026-08-31
Consumer protection: ticket sellers. (Assembly 3rd Reading AB1349 Bryan et al. By Cabaldon)
AB1546 · 2026-08-31
Vehicles: driving under the influence. (Assembly 3rd Reading AB1546 Schultz et al. By Menjivar)
AB1642 · 2026-08-31
Wildfires: contamination standards. (Assembly 3rd Reading AB1642 Harabedian et al. By Allen)
SB887 · 2026-08-31
California Environmental Quality Act: environmental leadership development projects: data centers: geothermal powerplant projects. (Unfinished Business SB887 Padilla et al. Concurrence)
SB178 · 2026-08-31
Public resources trailer bill. (W/O REF. TO FILE SB178 B. & F.R. (Laird))
SB1246 · 2026-08-31
Autonomous vehicles. (Unfinished Business SB1246 Cortese Concurrence)
SB883 · 2026-08-31
Hazardous materials: reactive chemicals: methyl methacrylate: facilities. (Unfinished Business SB883 Umberg et al. Concurrence)
SB867 · 2026-08-31
Toys: companion chatbots. (Unfinished Business SB867 Padilla et al. Concurrence)
SB947 · 2026-08-31
Employment: automated decision systems. (Unfinished Business SB947 McNerney et al. Concurrence)
AB2065 · 2026-08-31
Rates: prohibited cost recovery. (Assembly 3rd Reading AB2065 Petrie-Norris By Pérez)
SB1342 · 2026-08-31
Criminal records: relief. (Unfinished Business SB1342 Durazo et al. Concurrence)
SB1360 · 2026-08-31
Elections: translation of election materials. (Unfinished Business SB1360 Cervantes et al. Concurrence)
Complete voting record from LegiScan (showing the 60 most recent of 4951 total roll-call votes this session).
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