2026 Midterms · U.S. House · California Safe
California — 4th District
Democratic
Mike Thompson
Incumbent
No Republican nominee
In California's 4th Congressional District, incumbent Democrat Mike Thompson faces fellow Democrat Eric Jones in a top-two general election following mid-decade redistricting under California Proposition 50 in 2025. Thompson, a multi-term incumbent and senior member of the House Ways and Means Committee, campaigns on his legislative record in economic growth, tax policy, gun violence prevention, clean energy, and Delta water protections. Jones, an investment partner and non-profit founder, emphasizes working-class economic relief, personal background relying on safety-net programs, and strict governance ethics including pledges to reject corporate PAC and lobbyist contributions. All major election raters designate CA-04 as Solid Democratic or Safe Democratic.
Economy and Cost of Living
high salienceThompson emphasizes federal infrastructure investments, pay-as-you-go fiscal policy, and clean energy incentives, while Jones focuses on closing corporate tax loopholes to benefit working families alongside strict self-imposed campaign finance and stock-trading bans.
Mike Thompson
Supports infrastructure investments and fiscal responsibility
Thompson identifies economic growth, job creation, and reducing the cost of living as his top priorities. He advocates for pay-as-you-go (PAYGO) budgeting, infrastructure investments, restoring clean energy tax incentives, and requiring corporations and high earners to pay their fair share.
- Supported major federal infrastructure investments for roads, bridges, public transit, and water systems.
- Authored clean energy and energy efficiency tax provisions and advocates for restoring provisions eliminated by recent legislation.
- Champions pay-as-you-go (PAYGO) budgeting to offset federal spending increases or tax cuts.
- Voted for the GENIUS Act (S.1582) to establish a regulatory framework for payment stablecoins.
- Voted against H.R.1 (One Big Beautiful Bill Act) reconciliation legislation.
“My number one priority as your member of Congress is growing our economy, creating good jobs and strengthening our middle class.”
“We have to get our debt and deficit under control – and the best way to do this is through a balanced approach that cuts spending, asks everyone to pay their fair share, and creates jobs.”
Gun Violence Prevention
high salienceThompson presents a detailed legislative platform centered on universal background checks and gun task force leadership, whereas Jones has no documented stance in the provided sources.
Mike Thompson
Supports universal criminal background checks
As chair of the House Gun Violence Prevention Task Force, Thompson advocates for expanding criminal background checks to all commercial firearm transactions while upholding Second Amendment rights for law-abiding owners.
- Chaired the House Gun Violence Prevention Task Force created after the Sandy Hook Elementary shooting.
- Authored bipartisan legislation requiring comprehensive criminal background checks for all commercial gun sales, including online and gun show purchases.
- Helped pass the 2022 Bipartisan Safer Communities Act, which enhanced background checks for young buyers and funded mental health programs.
“As a hunter and gun owner, I believe that we should protect the Second Amendment right of law-abiding individuals to own firearms. As a dad and grandfather, I also believe that we have a responsibility to make our schools, streets and communities safe.”
“Of all of my task force’s recommendations, the single most important thing we can do is expand comprehensive criminal background checks.”
Health Care
medium salienceThompson focuses on legislative measures including ACA protections, Medicare drug negotiations, and telehealth expansion, while Jones emphasizes safeguarding healthcare safety nets based on his personal family background.
Mike Thompson
Supports expanding ACA and telehealth services
Thompson supports strengthening the Affordable Care Act, empowering Medicare to negotiate prescription drug prices, and permanently expanding telehealth access.
- Voted for the Patient Protection and Affordable Care Act to secure pre-existing condition protections and expand coverage.
- Helped enact Inflation Reduction Act provisions allowing Medicare to negotiate prescription drug prices.
- Introduced legislation to make pandemic-era telehealth expansions permanent.
“While the Affordable Care Act was far from perfect, it was an important first step towards making sure every American can get health insurance.”
Housing
medium salienceThompson champions federal disaster housing grants, housing legislation, and insurance relief incentives, whereas Jones has no documented position on housing in the provided materials.
Mike Thompson
Supports affordable housing and wildfire insurance relief
Thompson works to increase affordable housing construction, assist homeowners facing mortgage hardship, and address California's home insurance crisis through disaster risk reduction grants.
- Secured disaster recovery funding used to construct over 1,800 housing units in the district following local wildfires.
- Introduced bipartisan legislation offering tax credits and grants for communities to reduce disaster risks and lower property insurance rates.
- Highlighted the passage of the bipartisan 21st Century ROAD to Housing Act.
“We will not be able to grow our economy and strengthen our middle class without fixing our housing situation.”
Veterans
medium salienceThompson draws on his military record and congressional authority to demand casualty transparency and defend veteran benefits, while Jones highlights hands-on non-profit service helping veterans access benefits.
Mike Thompson
Supports veteran healthcare, housing, and DOD transparency
Thompson, an Army veteran, advocates for fully funding healthcare, housing, and employment benefits for military veterans and demands DoD accounting transparency.
- Served in the U.S. Army (1969–1972) during the Vietnam War.
- Led a group of Democratic veteran lawmakers demanding DoD transparency regarding U.S. military casualties in the Iran War.
- Advocates for guaranteed healthcare, housing, and job benefits for returning veterans.
“No one who has fought for our nation in the Armed Forces should have to fight for a paycheck, proper health care or a roof over their head when they come home.”
Water and Delta Environment
medium salienceThompson actively opposes the Bay Delta Conservation Plan to protect local agricultural and water resources, while Jones has no documented stance on Delta water issues.
Mike Thompson
Opposes the Bay Delta Conservation Plan
Thompson opposes the Bay Delta Conservation Plan (BDCP), arguing it prioritizes South-of-Delta water contractors over local farmers, fishermen, and ecological protections.
- Opposes constructing major new water diversion facilities to export water from the Sacramento-San Joaquin Delta.
- Demands transparent, science-based water solutions that protect Northern California Delta ecosystems and agricultural communities.
“The Bay Delta Conservation Plan (BDCP) creates a flawed process for moving forward to address our water challenges. It is not based on science and puts the interests of South-of-Delta water contractors before our farmers, fishermen and local communities.”
Immigration
medium salienceThompson sets out a comprehensive immigration reform policy covering DREAMer protections and agricultural labor, whereas Jones has no documented position in the provided sources.
Mike Thompson
Supports comprehensive reform and guest worker programs
Thompson advocates for comprehensive immigration reform incorporating pathways to citizenship for long-term residents, DREAMer protections, agricultural guest worker programs, and border enforcement rules.
- Supports pathways to citizenship for long-tenured undocumented families playing by the rules.
- Supports protecting DREAMers and expanding higher education access for immigrant children.
- Supports establishing workable guest worker programs for agricultural sector labor.
“America is a nation of immigrants, and we are a stronger nation because of it. However, our current immigration system is broken and in need of repair.”
Democracy and Governance
low salienceThompson focuses on legislative voting access policies and redistricting measures like Prop 50, whereas Jones emphasizes countering political disinformation through non-profit organizational initiatives.
Mike Thompson
Supports Prop 50 and voting rights access
Thompson supports redistricting reform initiatives like California Proposition 50 and opposes federal voter documentation restrictions.
- Endorsed California Proposition 50 approving updated legislative congressional redistricting maps.
- Voted Nay on H.R. 22 (SAVE Act) requiring documentary proof of citizenship for federal election registration.