Federal candidate · 2025–2026 cycle

Katherine Piccinini

Party
Republican
Running for
U.S. House · California District 10
Filing address
Oakley, CA (city and state on the FEC filing)
FEC filing name
PICCININI, KATHERINE
Map of California with the 2026 district highlighted

California, District 10

RepublicanU.S. House · California District 10ChallengerRegistered candidate (raised or spent over $5,000)

FEC candidate ID H4CA10109 · Principal campaign committee: PICCININI 4 CONGRESS

CycleOfficeRaisedOutcome
2025–2026U.S. House · California District 10$21,264.02Registered candidate (raised or spent over $5,000)
2023–2024U.S. House · California District 10$40,733.96Registered candidate (raised or spent over $5,000)
Total raised$21,264.02
Total spent$19,494.96
Cash on hand$3,851.29
Debts owed by the campaign$8,630.33
Loans from the candidate$0.00

2025–2026 cycle totals through September 30, 2026, from the FEC’s candidate summary file. This is a dated snapshot, not live reporting; the FEC’s page for this candidate is the official source.

Where the money comes from

Individual contributions: $21,005.48Other receipts (loans from others, refunds, interest): $258.54
  • Individual contributions$21,005.4899%
  • Other receipts (loans from others, refunds, interest)$258.541%

Individual money

  • Contributions of $200 or less (small-dollar, including unitemized)$11,730.4856%
  • Contributions over $200$9,175.0044%
  • Itemized from inside California$11,875.00100%
  • Itemized from other states$0.000%

FEC-computed totals by contribution size and state, retrieved October 22, 2026. No individual contributor is named.

Raised and spent over time

$8K$0 APRIL QUARTERLY: raised $97.00APRIL QUARTERLY: spent $353.98JULY QUARTERLY: raised $2,095.00JULY QUARTERLY: spent $513.17OCTOBER QUARTERLY: raised $3,779.61OCTOBER QUARTERLY: spent $3,235.15YEAR-END: raised $3,427.00YEAR-END: spent $3,300.97APRIL QUARTERLY: raised $7,284.48APRIL QUARTERLY: spent $4,980.66PRE-PRIMARY: raised $3,165.00PRE-PRIMARY: spent $1,641.43JULY QUARTERLY: raised $1,226.05JULY QUARTERLY: spent $2,294.65OCTOBER QUARTERLY: raised $189.88OCTOBER QUARTERLY: spent $3,174.952025-032025-092026-032026-06

Raised per report Spent per report Cash on hand

The race

California U.S. House, District 10, 2026 · 7 registered candidates

CandidateRaisedCash on handThrough
Katherine Piccinini (R)$21,264.02$3,851.292026-09-30
Mark Desaulnier (D)$721,776.27$467,219.622026-10-14
Angela Griffiths (R)$11,810.96$3,217.012026-10-14
Mitchell David Maisler (D)$10,048.25−$513.892026-05-13
Joshua Hamilton (D)$7,486.00$565.492026-09-30

Polling and ratings

Race ratings

  • Decision Desk HQSafe DJuly 14, 2026
  • The Cook Political ReportSolid DNovember 5, 2025
  • Inside ElectionsSolid DMarch 7, 2025
  • Sabato's Crystal BallSafe DJuly 15, 2025
  • The EconomistSafe DMay 6, 2026

Recent polls

No public polling found for this race.

Ratings and polls as listed on Wikipedia: 2026 United States House of Representatives elections in California (districts 1–26) (retrieved October 22, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.

Sources and updates

  • Money: FEC bulk data (candidate summary, committee master, committee-to-candidate contributions), retrieved October 23, 2026. FEC candidate page · Principal campaign committee: PICCININI 4 CONGRESS.
  • Polling, ratings and candidate status: Wikipedia, retrieved October 22, 2026 (CC BY-SA 4.0).
  • Status shown above comes from the FEC candidate file.

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