Mark DeSaulnier
DIncumbentD · incumbent
Incumbent leans on PAC money. 54% from PACs and 46% from individuals.
46% individuals54% PACs0% other
$567K
raised
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California · U.S. House · District 10 · 2026
California District 10 House race
General election in 52 days · Nov 3, 2026
The read · California District 10 House race
Mark DeSaulnier has raised more than 27 times the next candidate.
Candidates in the California District 10 House race, 2026 report raising $617,677 between them. Mark DeSaulnier reports $567,258 and Katherine Piccinini reports $21,074, a gap of $546,184. Of what Mark DeSaulnier reports, 46% came from individuals and 54% from PACs.
Public campaign-finance filings, 2026 cycle. Candidate rows are filers on record, not final ballot lists. Totals are rounded to whole dollars.
Every candidate on file
Ranked by money raised. Each row shows the campaign money mix and a plain-English read.
KP
Katherine Piccinini
RR · challenger
Small-donor heavy. 99% from individuals and 0% from PACs.
99% individuals0% PACs1% other
$21K
raised
AG
Angela Griffiths
RR · challenger
Small-donor heavy. 99% from individuals and 0% from PACs.
99% individuals0% PACs1% other
$12K
raised
MM
Mitchell Maisler
DD · challenger
21% from individuals, 0% from PACs, and 79% from other sources.
21% individuals0% PACs79% other
$10K
raised
JH
Joshua Hamilton
DD · challenger
Small-donor heavy. 100% from individuals and 0% from PACs.
100% individuals0% PACs0% other
$7K
raised
Where the money came from
$0 in itemized outside money is on file for this cycle. Candidate fundraising is shown separately below.
Labor / Unions$63K
Small donors & unclassified$25K
Real Estate & Construction$10K
Agriculture$10K
Transportation$9K
Insurance$8K
Energy & Utilities$6K
Biggest itemized outside spenders
- ALLIED PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE · pac$10K
- AMERICAN COUNCIL OF ENGINEERING COMPANIES (ACEC/PAC) · pac$10K
- AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE · pac$10K
- AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E · pac$10K
- BROTHERHOOD OF LOCOMOTIVE ENGINEERS & TRAINMEN PAC FUND · pac$10K
- INTERNATIONAL BROTHERHOOD OF BOILERMAKERS CAMPAIGN ASSISTANCE FUND · pac$10K
- INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE · pac$10K
- HDR, INC. EMPLOYEE OWNERS PAC · pac$10K
PACs vs the people
This split is from the candidates' own reported fundraising.
49%49%
49% PACs49% individuals2% other
The incumbent's record
Mark DeSaulnier is the linked incumbent for this race.
Net worth (2025)
$458K
$301K - $615K. up $426K since 2014.
Stock trades
None on file
No disclosed individual stock transactions.
Committees
3
Current full committee seats on file.
Where they sit
- House Committee on Ethics · Ranking Member
- House Committee on Education and Workforce
- House Committee on Transportation and Infrastructure
Who funds them
This is the incumbent's own funding by donor sector for the cycle.
Labor / Unions$63K
Small donors & unclassified$25K
Real Estate & Construction$10K
Agriculture$10K
Transportation$9K
Insurance$8K
The tale of the tape
Money, side by side. Green marks the leader on each line.
Mark DeSaulnier D · incumbent | vs | KP Katherine Piccinini R · challenger |
|---|---|---|
| $567K | Raised | $21K |
| $586K | Cash on hand | $7K |
| 54% | From PACs | 0% |
| 46% | From individuals | 99% |
| Labor / Unions | Top donor sector | Too few to rank |
| Yes | Incumbent | No |