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Races · house · 2026 · California · general · Democratic primary
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PhasesShowing the Democratic primary. Other views:general election·primary
Democratic primary · June 2, 2026

California house Democratic primary

Field of 5 Democratic candidates competing for the party's nomination. Winner advances to the general election on November 3, 2026.

Primary passed· 0 polls
Ammar Campa-Najjar 67% to win the Democratic nominationupdated 11h ago · primary-struct-v1
Ammar Campa-Najjar · 67%Marni von Wilpert · 13%Brandon Riker · 7%Abel Chavez · 5%
Caution · early warning
Editorial raters moved while polling has gone quiet

The last rating change here was 4d ago, but only 0 polls have landed in the last 60 days. When raters move and pollsters don't, the rating shift may be running ahead of the data. Watch for a late-cycle correction in either direction.

Where this race stands
Verified

Showing the Democratic primary view. General-election ratings, forecasts, and tipping-point odds aren't meaningful for a single-party primary — switch to the general election view for those.

How confident are we?0 = certain · 100 = max uncertain
Combined
80
High uncertainty
Main driver: wide vote-share CI (18.1pp).
Forecast CI width60
18.1pp 80% interval
Polling sparsity100
0 polls in 60d · target ≥ 8

Forecast · Democratic primary

primary-struct-v1 · high confidence · 7 polls + fundamentals
1Ammar Campa-NajjarAmmar Campa-Najjar is a U.S. Naval reserve officer, former Obama official at the United States Department of Labor, and politician. Campa-Na…17.2% 8–2667% win
2Marni von WilpertMarni von Wilpert is a member of the San Diego City Council in California, representing District 5 . She assumed office on December 14, 2020…8.2% 0–1713% win
3Brandon RikerThe 2026 United States House of Representatives elections in California will be held on November 3, 2026, to elect the 52 U.S. representativ…5.4% 0–147% win
4Abel ChavezThe 2026 United States House of Representatives elections in California will be held on November 3, 2026, to elect the 52 U.S. representativ…3.9% 0–135% win
5Mike Schaefer3.5% 0–134% win
6Corinna ContrerasCorinna Contreras ( Democratic Party ) ran for election to the U.S. House to represent California's 48th Congressional District . She lost i…3.1% 0–124% win

Polling average

048121620CAMPA-NAJJAR 16.2WILPERT 6.7RIKER 6.3CONTRERAS 5.0CHAVEZ 3.0FEB '26FEB '26FEB '26
Weighted, plus each pollster's measured bias subtracted before averaging.

All polls · 0 results

Democratic primary polls

No polls have been published for this primary yet. When pollsters start covering the race, individual polls will be listed here with sample size, lean, and trust signals.

Endorsements · Democratic primary · 36 total

Source · Wikipedia · 3 candidates with no endorsements yet
35
Ammar Campa-Najjar · 35Abel Chavez · 1
DAmmar Campa-Najjar35 endorsers
Most notable · Andrea Salinas · OR-06 (2023–present)
Elected officials29
Federal 29State 0Local 0
Organizations5
Celebrity1
DAbel Chavez1 endorser
Most notable · Progressive Victory
Organizations1
DBrandon Riker0 endorsers
no endorsers yet
No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.
DMarni von Wilpert0 endorsers
no endorsers yet
No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.
DCorinna Contreras0 endorsers
no endorsers yet
No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Money in this primary

FEC · per-candidate committees · last filing 2026-06-01
Ammar Campa-NajjarH8CA50098 ↗
Raised
$1.24M
Cash on hand
$121K
No industry data.
Von MarniH6CA48310 ↗
No FEC committee filing yet.
No industry data.
Brandon RikerH6CA41265 ↗
No FEC committee filing yet.
No industry data.
Verification trail
Polls verified0 / 0deterministic
Polls flaggednone
Markets ingested1 platformupdated 11h ago
FEC filingssyncedcommittee + IE · 2026-06-01
Endorsements57 totalWikipedia scrape
News coverage< 5 articlesGoogle News
Method · bounds + percentage totals + date-order checks