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Member brief · 119th Congress

Rep. Darrell Issa

R · Republican · U.S. Representative, California 48th District1

In Congress
Since 2001 · 23 years
 Next election
Nov 3, 2026
 Committee leadership
Chair, Courts, Intellectual Property, Artificial Intelligence, and the Internet

CommitteesForeign Affairs; Science, Space, and Technology; Judiciary2

Participation3

99 / 100

Chamber median 98
667 of 674 roll calls

Party unity3

97 / 100

Chamber median 98
on 467 party-line votes

Cross-party agreement3

15 / 100

Chamber median 12
on 523 contested votes

Ideology score4

+0.47

Chamber median +0.19
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Issa votes with the party on each issue.

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Votes most like5

R Mike Johnson LA-4 100% of 429
R Cliff Bentz OR-2 99% of 522
R John R. Moolenaar MI-2 99% of 521

Share of roll calls both voted on where they voted the same way.

Next race

Nov 3, 2026 · Not on the November ballot7

On the ballot against them

Jim DesmondRepublican
Marni von WilpertDemocratic

Data as of Oct 5, 2026 · votes through Sep 16, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/member/darrell-issa

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-10-05. www.congress.gov/member/I000056
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-10-05. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-10-05. voteview.com/person/20107
  4. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/20107
  5. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data
  6. 6. Candidates: FEC filings, 2026 CA-48 race, retrieved 2026-10-05. www.fec.gov/data/elections/house/CA/48/2026/
  7. 7. November ballot: https://en.wikipedia.org/wiki/2026_United_States_House_of_Representatives_elections_in_California_(districts_27–52)#District_48, as of 2026-10-05. en.wikipedia.org/wiki/2026_United_States_House_of_Representatives_elections_in_California_(districts_27–52)#District_48

Prepared with Oathstar · oathstar.com

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