Stephanie Nguyen
California State Assemblymember, District 10 since 2022. Re-elected in 2026. Next on the ballot in 2028.
- In office
- 3 yrs
- Since 2022
- Bills became law
- 15
- 35 sponsored, 2025–2026 session
- Votes missed
- 9.4%
- Chamber median 6.6%
- With party
- 100%
- On votes splitting the parties
- Last margin
- +46.0
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET
Committees
As of 2026-10.
- Child Care Costs Select · co-chair
- Biotechnology and Medical Technology Select
- Business and Professions
- Cybersecurity Select
- Developing Pathways to Purpose for Young Men Select
- Governmental Organization
- Insurance
- Non-Profit Sector Select
- Ports and Goods Movement Select
- Public Employment and Retirement
- Public Safety
- Select Committee on Growing and Retaining the Creative Economy in California
- Select Committee on the Transportation Costs and Impact of the Low Carbon Fuel Standard
- Youth Mental Health and Treatment Accessibility Select
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Juveniles · Became law Sep 2026
MedicalPracticeAct · Became law Sep 2026
Developmentalservices · Became law Sep 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Nguyen sits in the California State Assembly
Nguyen is closer to the center than 81% of the chamber's Democrats.
Closest: Rhodesia Ransom, Juan Carrillo, Pilar Schiavo
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:46 PM ET
With Nguyen’s party
- Votes with the chamber's Democrats100%
- Cosponsorships of the other party's bills23%
Black tick: the average of Democrats in the California State Assembly.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Nguyen’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Nguyen | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Sep 1, 2026 | SB 886: California Technology Innovation and Ratepayer Protection Act. | Yes | Yes | No | Passed 62–7 |
| Sep 1, 2026 | SB 133: Education finance: education omnibus trailer bill. | Yes | Yes | No | Passed 66–9 |
| Aug 31, 2026 | SB 1246: Autonomous vehicles. | Yes | Yes | No | Passed 65–11 |
| Aug 31, 2026 | SB 1009: Juveniles: detention. | No | Yes | No | Failed 24–33 |
| Aug 31, 2026 | SB 1301: Residential property insurance: nonrenewals. | Yes | Yes | No | Passed 63–11 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Nguyen 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 | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | California Assembly District 10 | Won | D+46.0 | D+28.9 | +17.1 |
| 2024 | California State Assembly, District 10 | Won | D+35.2 | — | — |
| 2022 | California State Assembly, District 10 | Won | D+7.6 | — | — |
Source: 99chambers results archive; 2026: California Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $1.1M
- Spent
- $1M
- Cash
- $303.9K
Source: California Secretary of State (Cal-Access) filings through Oct 17, 2026Updated Nov 7, 2026, 1:31 PM ET
Campaign committees
Open committees can still raise and spend money.
| Stephanie Nguyen for Assembly 2026 State | Active |
Source: California Secretary of State (Cal-Access) filings through Oct 17, 2026Updated Nov 7, 2026, 1:31 PM ET
Seats Nguyen has held
- California State Assembly, District 10 · since 2022
Source: 99chambers results archive
Who Nguyen has run against
- Vinaya Singh (R) · 2026 general, won
- Vinaya Singh (R) · 2024 election, won
- Eric Guerra (D) · 2022 election, won
Source: 99chambers results archive; 2026: California Secretary of State (unofficial)
How we know Nguyen
One person, matched across every source we use.
- Open States ocd-person/62102f53-b531-4290-9699-05a0d7687cae
- Wikidata Q115979443
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET