Legislation Overview of the Representative's office, activities, and communications.
Performance & Participation
Votes CastBottom 25%
96% — Voted in 619 of 645 roll call votes this congress.
Avg 97% · Most: 100% · Least: 18%
Vote IndependenceTop 25%
9.5% — Voted against their own party majority 55 of 581 times.
Avg 2.1% · Most independent: 23.7% · Most party-line: 0.0%
Cosponsors AttractedMiddle 50%
292 — Attracted 292 cosponsors across 29 bills.
Avg 300 · Most: 1,868 · Least: 0
Cosponsors Attracted Cross-AisleTop 25%
108 — Attracted 108 cosponsors across the aisle.
Avg 60 · Most: 1,291 · Least: 0
Cosponsorships GivenTop 25%
444 — 444 bills cosponsored.
Avg 303 · Most: 1,768 · Least: 3
Cosponsorships Given Cross-AisleTop 25%
157 — 157 bills cosponsored across the aisle.
Avg 59 · Most: 803 · Least: 0
Committee Assignments
6 committees · 1 leadership role
Ranking Member·Livestock, Dairy and Poultry Subcommittee0% Member·Agriculture Committee56% Member·Foreign Affairs Committee29% Member·Tom Lantos Human Rights Commission Member·Forestry and Horticulture Subcommittee U.S. Chamber Endorses Rep. Jim Costa for California’s Twenty-First Congressional District
U.S. Chamber of Commerce · Aug 19, 2026
Water Authority Hires Dennis Cardoza Consulting
Legis1 · Aug 20, 2026
Enterprise Mobility Maintains Q2 Federal Lobbying Spending
Legis1 · Jul 21, 2026
Bridge-to-College nonprofit hosts senior scholarship dinner honoring Valley students
ABC 30 · Jun 1, 2026
Jim Costa was one of two Democratic California House members to rebuke Trump heckler
Yahoo! News · Mar 7, 2025
Data sourced from official congressional records, CRS, and FEC filings. AllCiv Score methodology available at allciv.com/methodology.