
U.S. Representative for California’s 21st district
Democrat
119th Congress, two-year term
Missed 3.9% of roll calls. Chamber median 1.9%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Democrat. In Congress since 2005, 11 terms in total.
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Bills and resolutions where Costa is the primary sponsor. Most bills never leave committee; that is normal for every member. Source: Congress.gov, last updated Oct 29, 2026.
27 of 31 have at least one cosponsor from the other party.
Frontline Innovation Act
Introduced Oct 9, 2026. 3 cosponsors, 1 from the other party. H.R. 10772 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the designation of October 8, 2026, as "National Hydrogen and Fuel Cell Day".
Introduced Oct 5, 2026. 8 cosponsors, 4 from the other party. H.Res. 1611 on Congress.gov(opens in a new tab)
Introduced
A resolution commemorating the Day of Portugal, Camões, and the Portuguese Communities, and for other purposes.
Introduced Jun 10, 2026. 4 cosponsors, 1 from the other party. H.Res. 1356 on Congress.gov(opens in a new tab)
Introduced
Supporting the designation of April 19 through April 25, 2026, as "National Crime Victims' Rights Week".
Introduced Apr 20, 2026. 15 cosponsors, 6 from the other party. H.Res. 1190 on Congress.gov(opens in a new tab)
Introduced
Rural Development Modernization Act
Introduced Feb 20, 2026. 4 cosponsors, 2 from the other party. H.R. 7609 on Congress.gov(opens in a new tab)
Introduced
Expressing the sense of the House of Representatives that strong public education in United States history and civics is essential to preserving the Nation's founding ideals on the eve of the 250th anniversary of the United States.
Introduced Nov 19, 2025. 1 cosponsor. H.Res. 894 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the designation of October 2025 as "Crime Prevention Month".
Introduced Oct 31, 2025. 19 cosponsors, 8 from the other party. H.Res. 844 on Congress.gov(opens in a new tab)
Introduced
COWS Act of 2025
Introduced Oct 31, 2025. 4 cosponsors, 1 from the other party. H.R. 5875 on Congress.gov(opens in a new tab)
Introduced
BUILD Act
Introduced Oct 21, 2025. 2 cosponsors, 1 from the other party. H.R. 5796 on Congress.gov(opens in a new tab)
Introduced
Preventing Illegal Laboratories and Protecting Public Health Act of 2025
Introduced Oct 14, 2025. 6 cosponsors, 4 from the other party. H.R. 5747 on Congress.gov(opens in a new tab)
Introduced
Rural Homeownership Continuity Act of 2025
Introduced Oct 10, 2025. 8 cosponsors, 3 from the other party. H.R. 5728 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the designation of October 8, 2025, as "National Hydrogen and Fuel Cell Day".
Introduced Oct 6, 2025. 8 cosponsors, 4 from the other party. H.Res. 788 on Congress.gov(opens in a new tab)
Introduced
RIDE FAST Act
Introduced Oct 3, 2025. 2 cosponsors. H.R. 5677 on Congress.gov(opens in a new tab)
Introduced
Ian Kalvinskas Pediatric Liver Cancer Early Detection and Screening Act
Introduced Sep 15, 2025. 17 cosponsors, 8 from the other party. H.R. 5355 on Congress.gov(opens in a new tab)
Introduced
Permanent OPTN Fee Authority Act
Introduced Sep 10, 2025. 1 cosponsor, 1 from the other party. H.R. 5259 on Congress.gov(opens in a new tab)
Introduced
Unleashing Low-Cost Rural AI Act
Introduced Sep 9, 2025. 6 cosponsors, 4 from the other party. H.R. 5227 on Congress.gov(opens in a new tab)
Introduced
CRP Improvement and Flexibility Act of 2025
Introduced Sep 3, 2025. 5 cosponsors, 2 from the other party. H.R. 5111 on Congress.gov(opens in a new tab)
Introduced
Emergency Rural Water Response Act of 2025
Introduced Aug 5, 2025. 3 cosponsors, 2 from the other party. H.R. 4879 on Congress.gov(opens in a new tab)
Introduced
MORE Nurses Act
Introduced May 13, 2025. 8 cosponsors, 3 from the other party. H.R. 3333 on Congress.gov(opens in a new tab)
Introduced
FAIR Fleets Act
Introduced Apr 30, 2025. 9 cosponsors, 1 from the other party. H.R. 3098 on Congress.gov(opens in a new tab)
Introduced
STOP Health Threats Act
Introduced Apr 30, 2025. 3 cosponsors, 3 from the other party. H.R. 3099 on Congress.gov(opens in a new tab)
Introduced
Restoring WIFIA Eligibility Act
Introduced Apr 28, 2025. 3 cosponsors, 2 from the other party. H.R. 3035 on Congress.gov(opens in a new tab)
Introduced
Expressing the sense of Congress that Trump administration tariffs on Mexico and Canada are in violation of the United States of America-Mexico-Canada Agreement.
Introduced Apr 1, 2025. 19 cosponsors. H.Con.Res. 25 on Congress.gov(opens in a new tab)
Introduced
Dairy Nutrition Incentive Program Act of 2025
Introduced Mar 31, 2025. 23 cosponsors, 15 from the other party. H.R. 2496 on Congress.gov(opens in a new tab)
Introduced
Expanding Medical Education Act
Introduced Mar 14, 2025. 6 cosponsors. H.R. 2106 on Congress.gov(opens in a new tab)
Introduced