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David Costello
D

David Costello

Maine State Senate

Elections

METuesday, November 3, 2026
Susan M. CollinsREPIncumbent
Carmem Vincent Mr. CalabreseREPBallotpedia ↗Carmen Vincent Mr. CalabreseREPBallotpedia ↗David CostelloDEMBallotpedia ↗Tucker FavreauDEMBallotpedia ↗Dan KlebanDEMBallotpedia ↗Andrea LaflammeDEMBallotpedia ↗
+5 more

Campaign Finance

Cycle 2026 · through 06/30/2026 · FEC
$154.4k
Total receipts
$136.3k
Total spent
$18.1k
Cash on hand

Money raised vs spent over time

Raised Spent
Spent $69.1kSpent $111.6kSpent $136.3k Raised $69.1kRaised $111.3kRaised $154.4k 200220242026

Where the money came from

Individuals$39.1k · 25.3%
Self-financed$115.3k · 74.7%

Linked committees (3)

  • COSTELLO FOR U.S. SENATE Principal campaign committee
    Senate campaign BRUNSWICK, ME Connected: NONE Treasurer: COSTELLO, JEANNE C00907881
  • COSTELLO FOR SENATE Principal campaign committee
    Senate campaign BRUNSWICK, ME Treasurer: COSTELLO, DAVID ALLEN C00837609
  • COSTELLO FOR CONGRESS Principal campaign committee
    House campaign LEWISTON, ME Treasurer: CRAIG STEPHEN COSTELLO C00368878
Individual politician profile

About David Costello

David Costello · DEM · Maine State Senate. Profile, committee assignments, voting history context, contact info, social links, campaign finance, and related livestreams on Civic Stream.

This individual page is scoped to Maine State Senate, connecting the person’s role and district with committee work, contact sources, campaign-finance context, related elections, and relevant live government coverage.