
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.
CASE LOAD Act of 2025
Introduced Mar 5, 2025. 1 cosponsor, 1 from the other party. H.R. 1856 on Congress.gov(opens in a new tab)
Introduced
Healthy Poultry Assistance and Indemnification Act of 2025
Introduced Feb 14, 2025. 14 cosponsors, 7 from the other party. H.R. 1376 on Congress.gov(opens in a new tab)
Introduced
National Plan for Epilepsy Act
Introduced Feb 11, 2025. 101 cosponsors, 27 from the other party. H.R. 1189 on Congress.gov
Introduced
Headwaters Protection Act of 2025
Introduced Jan 22, 2025. 9 cosponsors, 2 from the other party. H.R. 605 on Congress.gov(opens in a new tab)
Introduced
Every Drop Counts Act
Introduced Jan 13, 2025. 7 cosponsors, 4 from the other party. H.R. 338 on Congress.gov(opens in a new tab)
Introduced
To provide technical and financial assistance for groundwater recharge, aquifer storage, and water source substitution projects.
Introduced Jan 13, 2025. 6 cosponsors, 2 from the other party. H.R. 337 on Congress.gov(opens in a new tab)
Introduced