# Diane Papan

Diane Papan is a Democratic member of the California House for district 21.

- Party: Democrat
- Seat: California House, district 21
- Serving since: 2022-12-05
- Current term: CA 2025–26 session
- Open States ID: ocd-person/20c72bef-f518-4677-bbcb-83c502c36ede

Source: https://americaspoliticalpulse.com/p/20c72bef-f518-4677-bbcb-83c502c36ede (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

Papan reported $391.3K in the 2026 cycle, in the top tenth of State House Democrats (median $40.4K).

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

29 classified statements: 29 posts on X. Each rate is the share of statements with the label, against the State House Democrats average; rank 1 is the highest rate.

| Label | Papan | State House Democrats average | Rank |
|---|---|---|---|
| Personal attacks | 0.0% | 2.5% | 584 of 764 |
| Policy criticism | 10.3% | 10.4% | 305 of 764 |
| Policy discussion | 65.5% | 39.2% | 62 of 764 |
| Bipartisanship | 10.3% | 2.9% | 32 of 764 |
| Credit claiming | 20.7% | 14.4% | 224 of 764 |
| Extreme labels | 0.0% | 1.0% | 543 of 764 |

Most discussed policy areas: Education 21% (State House Democrats 15%); Emergency Management 16% (State House Democrats 3.6%); Energy 11% (State House Democrats 3.6%); Government Operations and Politics 11% (State House Democrats 15%); Health 11% (State House Democrats 15%).

## Ideology (CSIP)

CSIP score −0.92 (standard error 0.03), from 446 donors and 541 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 14% of State House Democrats score lower.

## Votes (CA 2025–26 session)

4,001 roll calls. Attendance 90.3% (California House 92.3%). Party unity 99.8% (97.7%). 2 votes against the party majority.

Key votes:

- 2026-09-01 · voted yea · SB 195 Budget and Fiscal Review Senate Third Reading By GABRIEL · SB 195 Income taxes: exclusions: wildfire loss mitigation payments. · pass · https://openstates.org/ca/bills/20252026/SB195/
- 2026-09-01 · voted yea · SB 1098 Pérez Senate Third Reading By Petrie-Norris · SB 1098 Public Utilities Commission: memorandum and balancing accounts. · pass · https://openstates.org/ca/bills/20252026/SB1098/
- 2026-09-01 · voted yea · SB 1370 Stern Senate Third Reading By Petrie-Norris · SB 1370 Covered wildfire mitigation projects: consolidated and expedited review. · pass · https://openstates.org/ca/bills/20252026/SB1370/
- 2026-09-01 · voted yea · SB 1119 Padilla Senate Third Reading By Wicks · SB 1119 Companion chatbots: children's safety. · pass · https://openstates.org/ca/bills/20252026/SB1119/
- 2026-09-01 · voted yea · SB 931 Grove Third Reading Urgency By Krell · SB 931 Dolly Parton Day. · pass · https://openstates.org/ca/bills/20252026/SB931/
- 2026-09-01 · voted yea · SB 1079 Stern Senate Third Reading By Connolly · SB 1079 Department of Forestry and Fire Protection: Fire Innovation Unit. · pass · https://openstates.org/ca/bills/20252026/SB1079/
- 2026-09-01 · voted yea · SB 1203 Smallwood-Cuevas Senate Third Reading By Haney · SB 1203 Security services. · pass · https://openstates.org/ca/bills/20252026/SB1203/
- 2026-09-01 · voted yea · SB 193 Budget and Fiscal Review Senate Third Reading By GABRIEL · SB 193 Public resources: Greenhouse Gas Reduction Fund: programs. · pass · https://openstates.org/ca/bills/20252026/SB193/
- 2026-09-01 · voted yea · SB 16 Blakespear Senate Third Reading By Krell · SB 16 Mental health: involuntary commitment. · pass · https://openstates.org/ca/bills/20252026/SB16/
- 2026-09-01 · voted yea · SB 186 Budget and Fiscal Review Senate Third Reading By GABRIEL · SB 186 Income taxes: film tax credits. · pass · https://openstates.org/ca/bills/20252026/SB186/

## Legislation (CA 2025–26 session)

Sponsored 38 bills: 37 reached committee, 28 passed one chamber, 18 passed both, 15 became law. Cosponsored 300. 94.7% of sponsored bills got out of committee (California House 80.8%; rank 16 of 79).

Recent sponsored bills:

- ACR 219: Relative to California OB-GYN Week. (became law, 2026-08-12) https://openstates.org/ca/bills/20252026/ACR219/
- ACR 151: Relative to Greek Independence Day. (became law, 2026-04-21) https://openstates.org/ca/bills/20252026/ACR151/
- AB 2469: Data centers: water use disclosures. (became law, 2026-09-21) https://openstates.org/ca/bills/20252026/AB2469/
- AB 2521: California Council on Science and Technology: water availability study: Central Valley. (passed one chamber, 2026-08-13) https://openstates.org/ca/bills/20252026/AB2521/
- AB 2595: San Mateo Electric Bicycle Safety Pilot Program. (became law, 2026-09-30) https://openstates.org/ca/bills/20252026/AB2595/
- AB 2619: Water resources: data centers. (became law, 2026-09-21) https://openstates.org/ca/bills/20252026/AB2619/
- AB 2715: School districts: local authority. (introduced, 2026-02-21) https://openstates.org/ca/bills/20252026/AB2715/
- AB 2322: Water discharge: commercial, industrial, or institutional sites. (passed one chamber, 2026-08-27) https://openstates.org/ca/bills/20252026/AB2322/
- AB 2234: California Environmental Quality Act: geothermal exploratory projects. (became law, 2026-09-30) https://openstates.org/ca/bills/20252026/AB2234/
- AB 2380: Pest control: registration fees. (became law, 2026-09-20) https://openstates.org/ca/bills/20252026/AB2380/

## Campaign money (2026 cycle)

Itemized receipts $391.3K (State House Democrats median $40.4K). 100% of itemized individual money came from in state. Aggregates only; no individual donors.

## Recent statements

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

- 2025-03-27 · Post on X · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1905328355026894867
- 2025-03-25 · Post on X · labels: policy criticism, policy discussion · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1904583866666684490
- 2025-03-24 · Post on X · labels: policy discussion, credit claiming · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1904271357636129247
- 2025-03-22 · Post on X · labels: policy discussion · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1903544455761936852
- 2025-03-21 · Post on X · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1903143238413979830
- 2025-03-19 · Post on X · labels: policy discussion · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1902398081477571066
- 2025-03-18 · Post on X · labels: policy discussion, credit claiming · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1902040702172983439
- 2025-03-17 · Post on X · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1901738881420337281
- 2025-03-12 · Post on X · labels: policy discussion · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1899936994220007907
- 2025-03-11 · Post on X · labels: policy discussion · https://x.com/AsmDianePapan, https://www.twitter.com/DianePapan/status/1899597337540063358

## Links

- Official site: https://a21.asmdc.org/
- Campaign site: https://www.dianepapan.com/
- X: https://x.com/AsmDianePapan
- X: https://x.com/DianePapan
- Facebook: https://www.facebook.com/AsmDianePapan
- Facebook: https://www.facebook.com/DianePapan/
- Facebook: https://www.facebook.com/profile.php?id=100010110226919
- Instagram: https://www.instagram.com/asmdianepapan/
- Instagram: https://www.instagram.com/dianepapan/
- YouTube: https://www.youtube.com/channel/UCIPZ-K7NzgoZK-l8h0Kt4zg
- LinkedIn: https://www.linkedin.com/in/diane-papan-a15b0365/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/20c72bef-f518-4677-bbcb-83c502c36ede