Mark DeSaulnier

Democrat. Harris won California in 2024. Flagged as a 2032 redistricting risk.

Age on Election Day 2028: 76; Born March 31, 1952.
Lean: D+18; Solidly Democratic. Cook PVI, 2026 lines.
In the House since: 2015; Served since January 6, 2015.
Cash on hand: $467K; $467,220. Reporting period ended October 14, 2026

The 2026 race

November 3, 2026: Re-elected

Over Jeff Frese (R). Called by NBC News on November 4, 2026.

Primary: Advanced, first

59.7% in the top-two primary, June 2. Jeff Frese (R) also advanced, with 12.9%.

Endorsements, 2026

Endorsed: Hakeem Jeffries.

None on record: Justice Democrats, Working Families Party, Congressional Progressive Caucus PAC, Democratic Socialists of America.

What a race here costs

TV: San Francisco–Oakland–San Jose, 2.54 million homes. The district is 10.2% of the market.

2026 primary: $532K spent, $2.40 a vote

2024 general: $197K spent, $0.54 a vote

In the House, 119th Congress

Ranking Member of the Ethics Committee
Ranking Member of the Education and Workforce subcommittee on Health, Employment, Labor, and Pensions

Committees: Education and Workforce · Transportation and Infrastructure · Ethics

General-election outcomes

2024 vote share: 66.47%
Victory margin: +32.95 pts
Harris, 2024: 65.21% · +33.78 pts

Margin 0.83 points below Harris. Vote share 1.27 points above.

2024 election districts. Valid votes; margin over the runner-up. Runner-up: Katherine Piccinini. Returns · Harris baseline · Method. Reviewed November 5, 2026.

Money, past cycles

Money raised, the share from individual donors, and cash on hand, by past cycle
Cycle	Raised	From individuals	Cash at year end
2020	$612K	34%	$481K
2022	$618K	38%	$575K
2024	$665K	43%	$629K

Scorecards and grades

Heritage Action (lifetime) (opens in a new tab): 8
Club for Growth (lifetime) (opens in a new tab): 6
Turning Point Action (lifetime) (opens in a new tab): 19
GOP Platform (2025) (opens in a new tab): 4
Conservative average, out of 100: 9.3
Progressive average, out of 100: 99.5 (LCV 100, Progressive Punch 98, Stop Corruption Now 100)
IAP Action score, immigration: -134, rank 363 of 431
Gun Owners of America grade, 2024: F

Read October 31, 2026 from the member’s page on heritageaction.com, clubforgrowth.org, tpaction.com, gopscorecard.limitedgov.org.