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Official portrait of Brian J. Mast

Brian J. Mast

Republican · US Representative, Florida District 21 · On the Nov 3 ballot for re-election
Served
US House FL-18, 2017 to 2023
Background
Served in the Army
Raised
$5.1M
Cash on hand
$2.4M
Years in Congress
9
Age
46
Races
Won 5 of 5

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Brian J. Mast on Election Wrld

Profile card for Brian J. Mast

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Spectrum

Centrist is the middle of the scale, not of Congress. How this works

By donors (CFscore, 2024 cycle)

Research estimate from Stanford DIME 4.0. Source

Method and limits

Published score 1.385 on a scale from −2.0 to 2.0, where 0 is the center. 7,327 donors. License: ODC-BY 1.0.

Places a candidate by who gave them money; candidates who share donors sit close together.

Reflects the donor network, not votes or views, and comes from past cycles, not a 2026 reading.

Now

Career

YearRaceResultShareLost to, or other round
2024US House, FL-21Won61.8%
2022US House, FL-21Won · primary won 78.1%63.5%
2020US House, FL-18Won · primary won 86%56.3%
2018US House, FL-18Won · primary won 77.7%54.3%
2016US House, FL-18Won · primary won 38%53.6%
About this list

Races in our results files. Other offices, earlier years and most primaries can be missing. A general that went to a runoff counts as neither a win nor a loss.

Money

FEC, through Oct 14, 2026

Spent $4.5M · Debts owed $0

Where the money came from

  • Individuals$3.8M
  • PACs and other committees$485K
  • Party committees$0
  • Candidate’s own money$0
  • Loans from the candidate$0
  • Transfers from the candidate’s other committees$729K

As the campaign reported to the FEC through Oct 14, 2026. Bars compare these lines. Some money has no line here, so they may not add up to the total raised. Source: FEC candidate summary.

Committees giving to this campaign

118 committees reported giving $401K.

Show 15 more

The largest 20 are listed. Refunds the committees reported are taken out. Independent spending isn’t included. These figures come from the committees’ own reports, so they can differ from the campaign’s lines above, sometimes by a lot. Source: FEC committee-to-candidate file, dated Oct 25, 2026.

Reports through Oct 14, 2026.

How these are counted

Later filings are not in yet. Totals for the 2025 to 2026 cycle. Raised $5,097,732. Cash on hand $2,378,763. Spent $4,490,347. Debts owed $0. Individuals $3,812,768. PACs and other committees $484,700. Party committees $0. Candidate’s own money $0. Loans from the candidate $0. Other loans $0. Transfers from the candidate’s other committees $728,880. Main committee: Mast for Congress. No individual donor names are shown.

House votes

119th Congress, through Sept 16, 2026

676 roll calls. Yea 509, Nay 145, Present 2, Not voting 19.

Roll calls missed
2.8%
Voted with own party when parties split
98.1%
How these are counted

Missed is Not Voting divided by every roll call the member was listed on, including quorum calls and procedural votes. It covers any absence, including illness and leave.

Party split: a roll call counts when the Democratic majority and the Republican majority voted opposite ways. That was 463 roll calls, and the member matched their own party on 454. We pick no votes ourselves.

Showing the newest 3 of 676

  1. Sep 16, 2026 · House roll call 314

    On Motion to Suspend the Rules and Pass · S 2403

    Retire through Ownership Act

    Vote: YeaPassed, 401 to 14

    Official roll call (opens the House record)

  2. Sep 16, 2026 · House roll call 313

    On Motion to Suspend the Rules and Pass, as Amended · H R 9497

    Water Resources Development Act

    Vote: YeaPassed, 415 to 9

    Official roll call (opens the House record)

  3. Sep 16, 2026 · House roll call 312

    On Motion to Suspend the Rules and Pass, as Amended · H R 9340

    Ratepayer Protection Act

    Vote: YeaPassed, 417 to 3

    Official roll call (opens the House record)

Legislation

119th Congress, congress.gov, as of Oct 30, 2026

Sponsored 37 bills and 9 resolutions. Cosponsored 71 bills and 21 resolutions. Amendments are not counted.

Latest bills Brian J. Mast sponsored

More about Brian J. Mast

Offices held (5 terms and offices)

  • 2023 to nowUS House, Florida District 21Republican
  • 2017 to 2022US House, Florida District 18Republican

Committees (5 assignments)

  • House Committee on Transportation and Infrastructure

    • Aviation subcommittee
    • Coast Guard and Maritime Transportation subcommittee
    • Water Resources and Environment subcommittee

  • House Committee on Foreign Affairs, Chair

Background

  • Served in the Army

Source: Wikidata

Sources (13 sources)

  • Age: unitedstates/congress-legislators (CC0), official birthday field, counted to Nov 3, 2026. We show the age, never the birth date.
  • Took office in Congress 2017-01-03. Basis: congress-legislators terms (CC0).

Officials files, 2026 candidate files, returns files, DIME, FEC candidate master and congress-legislators terms, as of 2026-10-29. Nothing about jobs, retirement, or reasons is recorded or inferred.

DataDownload votes (JSON)Sources: FEC, House Clerk, congress.gov, DIME (ODC-BY), Results filesData as of Nov 1, 2026Photo credits