2026 United States general electionCalifornia

U.S. House: California's 4th district

3 November 2026

The Tuesday next after the 1st Monday in November, in every even numbered year, is established as the day for the election

Recorded 8 Oct 2026

fec.gov Official source

General Election Date 11/03/2026

Recorded 8 Oct 2026

in 26 days

The seat

Held by: Mike Thompson (Democratic)
FEC: California's 4th district 2026 Official source
California's 4th district, 2026 election: candidates who have filed with the Federal Election Commission
Recorded 8 Oct 2026
Election: 2026 United States general election - 3 November 2026
Seat: California's 4th district
FEC: California's 4th district 2026 Official source
California's 4th district, 2026 election: candidates who have filed with the Federal Election Commission
Recorded 8 Oct 2026

Candidates

No nominee is confirmed from a source yet. These are the candidates who filed for this seat, most money raised first. Filing is not winning a primary.

Mike Thompson

Democratic

FEC: THOMPSON, MIKE MR. Official source

THOMPSON, MIKE MR., Democratic Party, House CA district 04: FEC candidate H8CA01109, incumbent

Recorded 8 Oct 2026

Filed with the FEC

FEC: THOMPSON, MIKE MR. Official source

THOMPSON, MIKE MR., Democratic Party, House CA district 04: FEC candidate H8CA01109, incumbent

Recorded 8 Oct 2026

Incumbent

Raised: $4.2M
FEC: THOMPSON, MIKE MR. Official source
Receipts $4,204,013, disbursements $4,337,765, cash on hand $1,075,737 through 2026-06-30
Recorded 8 Oct 2026
Spent: $4.3M
On hand: $1.1M

FEC filings through 30 June 2026.

Eric Jones

Democratic

FEC: JONES, ERIC Official source

JONES, ERIC, Democratic Party, House CA district 04: FEC candidate H6CA04222, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: JONES, ERIC Official source

JONES, ERIC, Democratic Party, House CA district 04: FEC candidate H6CA04222, challenger

Recorded 8 Oct 2026

Raised: $8.4M
FEC: JONES, ERIC Official source
Receipts $8,378,929, disbursements $7,723,210, cash on hand $655,718 through 2026-06-30
Recorded 8 Oct 2026
Spent: $7.7M
On hand: $656K

FEC filings through 30 June 2026.

Raymond Riehle

Republican

FEC: RIEHLE, RAYMOND Official source

RIEHLE, RAYMOND, Republican Party, House CA district 04: FEC candidate H4CA06156, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: RIEHLE, RAYMOND Official source

RIEHLE, RAYMOND, Republican Party, House CA district 04: FEC candidate H4CA06156, challenger

Recorded 8 Oct 2026

Raised: $115K
FEC: RIEHLE, RAYMOND Official source
Receipts $114,861, disbursements $111,159, cash on hand $4,242 through 2026-06-30
Recorded 8 Oct 2026
Spent: $111K
On hand: $4,242

FEC filings through 30 June 2026.

Laurie John Mackenzie

Republican

FEC: MACKENZIE, LAURIE JOHN Official source

MACKENZIE, LAURIE JOHN, Republican Party, House CA district 04: FEC candidate H6CA04198, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: MACKENZIE, LAURIE JOHN Official source

MACKENZIE, LAURIE JOHN, Republican Party, House CA district 04: FEC candidate H6CA04198, challenger

Recorded 8 Oct 2026

Raised: $14K
FEC: MACKENZIE, LAURIE JOHN Official source
Receipts $14,129, disbursements $6,045, cash on hand $8,084 through 2026-06-30
Recorded 8 Oct 2026
Spent: $6,045
On hand: $8,084

FEC filings through 30 June 2026.

Mandy Ghusar

Republican

FEC: GHUSAR, MANDY Official source

GHUSAR, MANDY, Republican Party, House CA district 04: FEC candidate H6CA08223, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: GHUSAR, MANDY Official source

GHUSAR, MANDY, Republican Party, House CA district 04: FEC candidate H6CA08223, challenger

Recorded 8 Oct 2026

Raised: $7,000
FEC: GHUSAR, MANDY Official source
Receipts $7,000, disbursements $7,000, cash on hand $0 through 2026-06-20
Recorded 8 Oct 2026
Spent: $7,000
On hand: $0

FEC filings through 20 June 2026.

Sharon Brown

Republican

FEC: BROWN, SHARON Official source

BROWN, SHARON, Republican Party, House CA district 04: FEC candidate H6CA04206, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: BROWN, SHARON Official source

BROWN, SHARON, Republican Party, House CA district 04: FEC candidate H6CA04206, challenger

Recorded 8 Oct 2026

Raised: $7,000
FEC: BROWN, SHARON Official source
Receipts $7,000, disbursements $7,000, cash on hand $0 through 2026-06-25
Recorded 8 Oct 2026
Spent: $7,000
On hand: $0

FEC filings through 25 June 2026.

1 more filing

Candidate	Party	Status	Raised	Cash on hand
Trevor Merrell	Democratic	Filed with the FEC	$6,435	-$24

Sources

Last researched 8 October 2026 (UTC).

FEC: California's 4th district 2026Official source fec.gov
FEC: BROWN, SHARONOfficial source fec.gov
FEC: GHUSAR, MANDYOfficial source fec.gov
FEC: JONES, ERICOfficial source fec.gov
FEC: MACKENZIE, LAURIE JOHNOfficial source fec.gov
FEC: MERRELL, TREVOROfficial source fec.gov
FEC: RIEHLE, RAYMONDOfficial source fec.gov
FEC: THOMPSON, MIKE MR.Official source fec.gov
fec.govOfficial source
uscode.house.govOfficial source

Back to 2026 United States general election Machine-readable data (JSON)

U.S. House: California's 4th district

The seat

Candidates

Mike Thompson

Eric Jones

Raymond Riehle

Laurie John Mackenzie

Mandy Ghusar

Sharon Brown

More races in California

Sources