Mark James Desaulnier vs Katherine Piccinini: CA U.S. House District 10 Race 2026
Candidate vs. Candidate Side-by-Side Scorecards. Compare Mark James Desaulnier vs Katherine Piccinini in the CA U.S. House District 10 Race 2026 issue by issue and across all Five Points of Opportunity, on the same nonpartisan -5.00 to +5.00 scale applied to every politician regardless of party.
Who is running
Mark James Desaulnier (Democrat) - Incumbent, OppScore -3.75, Record based, documented on 27 of 44 scored questions
Katherine Piccinini (Republican) - Former Candidate, OppScore +3.30, Partial record, documented on 24 of 44 scored questions
What is on this page
Side-by-side OppScore comparison for every candidate in the race
Five Points of Opportunity breakdown per candidate