2026 United States general electionCalifornia

U.S. House: California's 10th 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: Mark Desaulnier (Democratic)
FEC: California's 10th district 2026 Official source
California's 10th 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 10th district
FEC: California's 10th district 2026 Official source
California's 10th 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.

Mark Desaulnier

Democratic

FEC: DESAULNIER, MARK Official source

DESAULNIER, MARK, Democratic Party, House CA district 10: FEC candidate H0CA10073, incumbent

Recorded 8 Oct 2026

Filed with the FEC

FEC: DESAULNIER, MARK Official source

DESAULNIER, MARK, Democratic Party, House CA district 10: FEC candidate H0CA10073, incumbent

Recorded 8 Oct 2026

Incumbent

Raised: $567K
FEC: DESAULNIER, MARK Official source
Receipts $567,258, disbursements $609,748, cash on hand $586,497 through 2026-06-30
Recorded 8 Oct 2026
Spent: $610K
On hand: $586K

FEC filings through 30 June 2026.

Katherine Piccinini

Republican

FEC: PICCININI, KATHERINE Official source

PICCININI, KATHERINE, Republican Party, House CA district 10: FEC candidate H4CA10109, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: PICCININI, KATHERINE Official source

PICCININI, KATHERINE, Republican Party, House CA district 10: FEC candidate H4CA10109, challenger

Recorded 8 Oct 2026

Raised: $21K
FEC: PICCININI, KATHERINE Official source
Receipts $21,074, disbursements $16,320, cash on hand $6,836 through 2026-06-30
Recorded 8 Oct 2026
Spent: $16K
On hand: $6,836

FEC filings through 30 June 2026.

Angela Griffiths

Republican

FEC: GRIFFITHS, ANGELA Official source

GRIFFITHS, ANGELA, Republican Party, House CA district 10: FEC candidate H6CA10195, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: GRIFFITHS, ANGELA Official source

GRIFFITHS, ANGELA, Republican Party, House CA district 10: FEC candidate H6CA10195, challenger

Recorded 8 Oct 2026

Raised: $12K
FEC: GRIFFITHS, ANGELA Official source
Receipts $11,811, disbursements $7,900, cash on hand $3,911 through 2026-06-30
Recorded 8 Oct 2026
Spent: $7,900
On hand: $3,911

FEC filings through 30 June 2026.

Mitchell David Maisler

Democratic

FEC: MAISLER, MITCHELL DAVID Official source

MAISLER, MITCHELL DAVID, Democratic Party, House CA district 10: FEC candidate H6CA10179, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: MAISLER, MITCHELL DAVID Official source

MAISLER, MITCHELL DAVID, Democratic Party, House CA district 10: FEC candidate H6CA10179, challenger

Recorded 8 Oct 2026

Raised: $10K
FEC: MAISLER, MITCHELL DAVID Official source
Receipts $10,048, disbursements $10,567, cash on hand $-514 through 2026-05-13
Recorded 8 Oct 2026
Spent: $11K
On hand: -$514

FEC filings through 13 May 2026.

Joshua Hamilton

Democratic

FEC: HAMILTON, JOSHUA Official source

HAMILTON, JOSHUA, Democratic Party, House CA district 10: FEC candidate H6CA10161, challenger

Recorded 8 Oct 2026

Filed with the FEC

FEC: HAMILTON, JOSHUA Official source

HAMILTON, JOSHUA, Democratic Party, House CA district 10: FEC candidate H6CA10161, challenger

Recorded 8 Oct 2026

Raised: $7,486
FEC: HAMILTON, JOSHUA Official source
Receipts $7,486, disbursements $6,406, cash on hand $1,080 through 2026-06-30
Recorded 8 Oct 2026
Spent: $6,406
On hand: $1,080

FEC filings through 30 June 2026.

Sources

Last researched 8 October 2026 (UTC).

FEC: California's 10th district 2026Official source fec.gov
FEC: DESAULNIER, MARKOfficial source fec.gov
FEC: GRIFFITHS, ANGELAOfficial source fec.gov
FEC: HAMILTON, JOSHUAOfficial source fec.gov
FEC: MAISLER, MITCHELL DAVIDOfficial source fec.gov
FEC: PICCININI, KATHERINEOfficial 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 10th district

The seat

Candidates

Mark Desaulnier

Katherine Piccinini

Angela Griffiths

Mitchell David Maisler

Joshua Hamilton

More races in California

Sources