Nonpartisan · Data from OpenStates / Plural Policy · California
Democratic
· Assemblymember
Diane Papan
Represents District 21 in the State Assembly.
Votes with Democrats
99%
on 978 party-line votes · House Democrats median 99%
Cast a vote
92%
Yea or Nay on 4,621 of 5,034 roll calls · House median 94%
Their bills that became law
19 of 41
as a primary sponsor, this session · Democrats median 28.5
Roll calls on record
5,034
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 Diane Papan 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 Diane Papan sits in the House
Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. Diane Papan is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
2 of 978 party-line votes.
SB63 · San Francisco Bay area: local revenue measure: public transit funding.
Do pass as amended · 2025-09-08 · Passed 11–5 · most Democrats voted the other way
AB1240 · Single-family residential real property: corporate entity: ownership.
AB 1240 Lee Assembly Third Reading · 2025-06-03 · Passed 42–18 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
AB2034 · Food safety: unsafe additives and ingredient disclosures.
Do pass as amended and be re-referred to the Committee on [Appropriations] · 2026-04-14 · Passed 4–2
AB728 · Skin care product sales: age verification.
Do pass and be re-referred to the Committee on [Appropriations] · 2025-04-29 · Passed 4–2
AB1038 · Bears: hunting: use of dogs.
Do pass and be re-referred to the Committee on [Appropriations] · 2025-04-29 · Passed 6–4
SB811 · Hazardous materials: metal shredding facilities.
Do pass and be re-referred to the Committee on [Appropriations] · 2026-06-30 · Passed 4–1
SB1010 · Hazardous waste: major appliances: recycling.
Do pass and be re-referred to the Committee on [Appropriations] · 2026-06-30 · Passed 5–2
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.
Greg WallisRepublican · District 47 · 574 shared contested votes
34%
Juan AlanisRepublican · District 22 · 526 shared contested votes
31%
Laurie DaviesRepublican · District 74 · 645 shared contested votes
20%
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 (413 in all). Gaps are months the chamber wasn’t voting.
← California Delegation
YeaYeaAbsentYeaYeaYeaYeaYeaYeaYeaYeaAbsentYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Diane Papan 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.
Introduced41
Out of committee40
Passed one chamber31
Passed both chambers22
Became law19
Never left committee1
For comparison, the median Democratic member of the House has 28.5 bills that became law this session.
San Mateo Electric Bicycle Safety Pilot Program.
An act to add and repeal Section 21214.9 of the Vehicle Code, relating to vehicles.
Became lawChaptered by Secretary of State – Chapter 843, Statutes of 2026. · 2026-09-30
California Environmental Quality Act: geothermal exploratory projects.
An act to amend Section 21065.5 of the Public Resources Code, relating to geothermal resources.
Became lawChaptered by Secretary of State – Chapter 927, Statutes of 2026. · 2026-09-30
Planning and zoning: housing element: regional housing needs allocation.
An act to amend Sections 65584.03, 65584.04, 65584.05, and 65588 of the Government Code, relating to land use.
Became lawChaptered by Secretary of State – Chapter 798, Statutes of 2026. · 2026-09-29
Rental vehicles: law enforcement.
An act to add Section 1939.36 to the Civil Code, relating to rental vehicles.
Became lawChaptered by Secretary of State – Chapter 741, Statutes of 2026. · 2026-09-29
Insurance: home protection companies.
An act to add Chapter 4 (commencing with Section 12766) to Part 7 of Division 2 of the Insurance Code, relating to insurance.
Became lawChaptered by Secretary of State – Chapter 561, Statutes of 2026. · 2026-09-27
Lawsuits, liens, and other encumbrances.
An act to amend Sections 765.010 and 765.040 of the Code of Civil Procedure, and to amend Section 9625 of, and to add Sections 9513.1 and 9529 to, the Commercial Code, relating to civil proceedings.
Became lawChaptered by Secretary of State – Chapter 505, Statutes of 2026. · 2026-09-27
Health care coverage: provider directories.
An act to amend Section 1367.27 of the Health and Safety Code, and to amend Section 10133.15 of the Insurance Code, relating to health care coverage.
Became lawChaptered by Secretary of State – Chapter 499, Statutes of 2026. · 2026-09-27
Water resources: data centers.
An act to add Sections 16000.4 and 16100.4 to the Business and Professions Code, and to amend Section 10632 of the Water Code, relating to water.
Became lawChaptered by Secretary of State – Chapter 437, Statutes of 2026. · 2026-09-21
Data centers: water use disclosures.
An act to add Section 65964.7 to the Government Code, relating to water.
Became lawChaptered by Secretary of State – Chapter 436, Statutes of 2026. · 2026-09-21
Pest control: registration fees.
An act to amend Sections 11734, 11923, 12034, 15204, and 15204.5 of the Food and Agricultural Code, relating to pest control.
Became lawChaptered by Secretary of State – Chapter 397, Statutes of 2026. · 2026-09-20
Electricity: transmission planning and transmission facilities.
An act to add and repeal Section 25308.1 of the Public Resources Code, and to amend Sections 454.51 and 454.57 of the Public Utilities Code, relating to electricity.
Became lawChaptered by Secretary of State – Chapter 382, Statutes of 2026. · 2026-09-20
Water discharge: commercial, industrial, or institutional sites.
An act to add Section 13383.4 to the Water Code, relating to water.
Passed one chamberOrdered to inactive file at the request of Senator Ashby. · 2026-08-27
California Council on Science and Technology: water availability study: Central Valley.
An act to add Section 1259.7 to the Water Code, relating to water.
Passed one chamberIn committee: Held under submission. · 2026-08-13
Fish and wildlife: invasive species: invasive mussels.
An act to amend Sections 2301 and 2303 of, to add Sections 2301.1, 2301.2, 2301.3, 2301.4, 2301.6, and 2301.7 to, and to add Chapter 3.6 (commencing with Section 2305) to Division 3 of, the Fish and Game Code, relating to fish and wildlife.
Passed one chamberIn committee: Held under submission. · 2026-08-13
California OB-GYN Week.
Relative to California OB-GYN Week.
Became lawChaptered by Secretary of State – Res. Chapter 173, Statutes of 2026. · 2026-08-12
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
AB113 · 2026-09-01
Budget Act of 2026. (AB 113 GABRIEL Concurrence in Senate Amendments)
SB931 · 2026-09-01
Dolly Parton Day. (SB 931 Grove Third Reading Urgency By Krell)
AB1128 · 2026-09-01
Mobilehome parks: rent caps: City of Torrance. (AB 1128 Muratsuchi Concurrence in Senate Amendments)
AB904 · 2026-08-31
Carpet recycling. (AB 904 Aguiar-Curry Concurrence in Senate Amendments)
AB2204 · 2026-08-31
Prisons: organized sports programming. (AB 2204 Gabriel Concurrence in Senate Amendments)
SB886 · 2026-08-31
California Technology Innovation and Ratepayer Protection Act. (SB 886 Padilla Senate Third Reading By Papan)
AB190 · 2026-08-31
Early care and education. (AB 190 BUDGET Concurrence in Senate Amendments By GABRIEL)
AB2320 · 2026-08-31
Multifamily Housing Program: Homekey: adaptive reuse. (AB 2320 Ta Concurrence in Senate Amendments)
SB574 · 2026-08-31
Attorneys, arbitrators, judicial officers, and alternative resolution providers. (SB 574 Umberg Senate Third Reading By Bauer-Kahan)
AB1680 · 2026-08-31
California FAIR Plan Association. (AB 1680 Calderon Concurrence in Senate Amendments)
AB2086 · 2026-08-31
Pest control licenses: personal information: confidentiality. (AB 2086 Ellis Concurrence in Senate Amendments)
SB1365 · 2026-08-31
Price gouging. (SB 1365 Allen Senate Third Reading By Kalra)
SB876 · 2026-08-31
Fire and residential property insurance. (SB 876 Padilla Senate Third Reading By Calderon)
AB2071 · 2026-08-31
Pupil instruction: digital wellness. (AB 2071 Hoover Concurrence in Senate Amendments)
SB16 · 2026-08-31
Mental health: involuntary commitment. (SB 16 Blakespear Senate Third Reading By Krell)
AB2163 · 2026-08-31
Energy: Strategic Clean Energy and Critical Mineral Development Zones. (AB 2163 Jeff Gonzalez Concurrence in Senate Amendments)
SB337 · 2026-08-31
Prisons. (SB 337 Menjivar Senate Third Reading By Aguiar-Curry)
SB1050 · 2026-08-31
False advertising: synthetic performers. (SB 1050 Ashby Senate Third Reading By Elhawary)
AB664 · 2026-08-31
Community colleges: baccalaureate degree program: Southwestern Community College District. (AB 664 Alvarez Concurrence in Senate Amendments)
AB187 · 2026-08-31
Employment. (AB 187 BUDGET Concurrence in Senate Amendments By GABRIEL)
SB795 · 2026-08-31
Air pollution: gasoline vapor control systems: ethanol blends. (SB 795 Archuleta Senate Third Reading By ALVAREZ)
AB192 · 2026-08-31
Energy: transmission infrastructure accelerator: financing. (AB 192 BUDGET Concurrence in Senate Amendments By GABRIEL)
AB2760 · 2026-08-31
Law enforcement: wearable electroshock devices. (AB 2760 Sharp-Collins Concurrence in Senate Amendments)
SB1392 · 2026-08-31
Smog check: exemption: collector motor vehicles. (SB 1392 Cortese Senate Third Reading By Ramos)
AB1331 · 2026-08-31
Workplace surveillance. (AB 1331 Elhawary Concurrence in Senate Amendments)
AB1969 · 2026-08-31
California Community Schools Partnership Program: Promise Neighborhoods. (AB 1969 BONTA Concurrence in Senate Amendments)
AB2372 · 2026-08-31
Vehicles: tolls. (AB 2372 Hoover Concurrence in Senate Amendments)
AB2493 · 2026-08-31
Electrical corporations: interconnection: Public Utilities Commission: transmission development monitor. (AB 2493 Petrie-Norris Concurrence in Senate Amendments)
AB2222 · 2026-08-31
Personal Income Tax Law and Corporation Tax Law: credits: local news outlets: business expense deduction: excessive employee remuneration. (AB 2222 Ward Concurrence in Senate Amendments)
AB2344 · 2026-08-31
Animal abuse: forfeiture. (AB 2344 HANEY Concurrence in Senate Amendments)
AB1156 · 2026-08-31
Williamson Act contracts: cancellation fees: photovoltaic solar facilities. (AB 1156 WICKS Concurrence in Senate Amendments)
AB2321 · 2026-08-31
Occupational safety and health: investigations. (AB 2321 Ortega Concurrence in Senate Amendments)
AB2551 · 2026-08-31
Equity in Higher Education Act: time, place, and manner policies: student code of conduct violations: open forum. (AB 2551 Elhawary Concurrence in Senate Amendments)
SB895 · 2026-08-31
California Science and Health Research Bond Act. (SB 895 Wiener Third Reading Urgency By Solache)
AB1294 · 2026-08-31
Real property tax: welfare exemption: moderate-income housing. (AB 1294 Haney Concurrence in Senate Amendments)
AB2727 · 2026-08-31
Corrections: parole and prerelease treatment. (AB 2727 Nguyen Concurrence in Senate Amendments)
AB1609 · 2026-08-31
Customer service chatbots. (AB 1609 Zbur Concurrence in Senate Amendments)
AB1707 · 2026-08-31
Electricians: certification application, examination, and renewal. (AB 1707 Davies Concurrence in Senate Amendments)
AB1795 · 2026-08-31
Smoke Damage Recovery Act. (AB 1795 GIPSON Concurrence in Senate Amendments)
AB1976 · 2026-08-31
Streets and highways: pedestrian and bicycle facilities. (AB 1976 Wicks Concurrence in Senate Amendments)
AB1099 · 2026-08-31
Developmental services: initial intake. (AB 1099 Bryan Concurrence in Senate Amendments)
AB2061 · 2026-08-31
California FAIR Plan Association: data. (AB 2061 Chen Concurrence in Senate Amendments)
AB353 · 2026-08-31
Public Utilities Commission: Inspector General. (AB 353 BOERNER Concurrence in Senate Amendments)
AB2440 · 2026-08-31
Arts and Music in Schools—Funding Guarantee and Accountability Act: allowable uses: pooled funding: certifications. (AB 2440 Muratsuchi Concurrence in Senate Amendments)
AB2020 · 2026-08-31
Housing programs: financing. (AB 2020 Gabriel Concurrence in Senate Amendments)
AB2700 · 2026-08-31
Public Utilities Commission: electrical corporations: wildfire victim restitution shortfalls: report: restitution mechanisms. (AB 2700 PATTERSON Concurrence in Senate Amendments By PATTERSON)
SB716 · 2026-08-31
Local government: ordinances: penalties for violation: nonresidential structures. (SB 716 Durazo Senate Third Reading By Mark González)
AB1709 · 2026-08-31
Covered platforms: age restriction: e-Safety Advisory Commission. (AB 1709 Lowenthal Concurrence in Senate Amendments)
SB1228 · 2026-08-31
Advertising displays: exemptions: arenas and redevelopment agency projects. (SB 1228 Rubio Senate Third Reading By Solache)
AB2234 · 2026-08-31
California Environmental Quality Act: geothermal exploratory projects. (AB 2234 Papan Concurrence in Senate Amendments)
AB1159 · 2026-08-31
Student personal information. (AB 1159 Addis Concurrence in Senate Amendments)
AB2717 · 2026-08-31
Outdoor advertising displays: arenas: exemptions. (AB 2717 CALOZA Concurrence in Senate Amendments)
AB1871 · 2026-08-31
Pupil instruction: dual enrollment: College and Career Access Pathways partnerships. (AB 1871 Fong Concurrence in Senate Amendments)
AB28 · 2026-08-31
Solid waste landfills: subsurface temperatures. (AB 28 Schiavo Concurrence in Senate Amendments)
AB1981 · 2026-08-31
Subsidized childcare: reimbursement rates: reporting. (AB 1981 Aguiar-Curry Concurrence in Senate Amendments)
AB2414 · 2026-08-31
Developmental services: direct support professionals. (AB 2414 NGUYEN Concurrence in Senate Amendments)
AB1841 · 2026-08-31
State holidays: Native American Day. (AB 1841 Ramos Concurrence in Senate Amendments)
AB2383 · 2026-08-31
Electricity: data centers. (AB 2383 ZBUR Concurrence in Senate Amendments)
AB2294 · 2026-08-31
State holidays: Sylvia Mendez Day. (AB 2294 Ta Concurrence in Senate Amendments)
AB2437 · 2026-08-31
Impounded vehicles. (AB 2437 Chen Concurrence in Senate Amendments)
Complete voting record from LegiScan (showing the 60 most recent of 5034 total roll-call votes this session).
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