U.S. House · Florida, District 21
Rep. Brian J. Mast
Where they sit
Seated by voting record in the House. Percentiles run from 0 (most liberal) to 100 (most conservative).
Brian J. Mast's seat is marked. Seats run from most liberal (left) to most conservative (right). Color shows how often each member crosses party lines toward the middle on votes that divide the parties: solid blue or red means almost never, and purple means on at least 1 in 10 of those votes. Gray seats are members too new to score. How this is measured
This score measures who votes with whom. A member who votes no because a bill goes too far, or not far enough, can look more moderate than their views.
With their party and with the President
How this is measured →Lower than 114 of 219 House Republicans.
Expected is the typical score for members of the same party whose districts voted like this one for president in 2024.
Each line is one House member, grouped by party. The dot is Brian J. Mast. The dark line is what we'd expect given how this district voted for president in 2024.
How this is measuredHighest of all 219 House Republicans.
Expected is the typical score for members of the same party whose districts voted like this one for president in 2024.
Each line is one House member, grouped by party. The dot is Brian J. Mast. The dark line is what we'd expect given how this district voted for president in 2024.
How this is measuredWhere they broke ranks
Votes where Brian J. Mast went against most of their party or against the President's stated position.
Every vote
Every roll call in the House this Congress, with how Brian J. Mast voted, how their party voted and the President's position.
| Date | Vote | Their vote | Most of their party | President wanted | Result |
|---|---|---|---|---|---|
| Loading… | |||||
A dash means the parties didn't split on that vote, or the President took no public position before it. “Party-line” and “President took a position” list exactly the votes each score counts: the ones cast Yes or No. Missed votes don't count either way and are under “Missed”.
Votes most like
Rep. Mike Johnson
Voted the same way 99% of the time
Rep. Trent Kelly
Voted the same way 98% of the time
Rep. Stephanie I. Bice
Voted the same way 98% of the time
Rep. Henry Cuellar
Closest member of the other party · Voted the same way 54% of the time
Your district
Florida's delegation →How this district voted for president in 2024
Florida redrew its House map. The new lines take effect in January 2027. Under the new lines, District 21 voted 58% Trump and 42% Harris in 2024.
Issue by issue
How often Brian J. Mast votes with their party, and with the President, on each kind of issue. Issues are the policy areas Congress assigns to each bill. "With their party" counts only votes where most Democrats and most Republicans voted on opposite sides; "With the President" counts only votes where he took a public position first.
Brian J. Mast sides with their party least often on Agriculture and Food (75%).
Fewer than 5 party-line votes, so not charted: Families (4 votes), Animals (3 votes), Taxation (3 votes), Transportation and Public Works (2 votes), Arts, Culture, Religion (2 votes), Civil Rights and Liberties, Minority Issues (2 votes), Science, Technology, Communications (1 vote), Native Americans (1 vote), Social Welfare (1 vote), Water Resources Development (1 vote), Emergency Management (1 vote), Sports and Recreation (1 vote).
Brian J. Mast votes with the President about equally often on every issue.
Fewer than 5 votes where the President took a position, so not charted: Armed Forces and National Security (3 votes), Education (3 votes), Law (3 votes), Commerce (2 votes), Animals (2 votes), Science, Technology, Communications (2 votes), Congress (1 vote), Labor and Employment (1 vote), Agriculture and Food (1 vote), Health (1 vote), Families (1 vote), Taxation (1 vote), Transportation and Public Works (1 vote), Arts, Culture, Religion (1 vote), Native Americans (1 vote), Social Welfare (1 vote), Water Resources Development (1 vote), Housing and Community Development (1 vote).
Bipartisan bills led
1 passed their chamber · 0 became law
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H.R. 3962 · ESTUARIES ActCo-lead · Introduced June 12, 2025 · Environmental ProtectionPassed one chamber
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H.R. 7438 · PETSAFE Act of 2026Sponsor · Introduced Feb. 9, 2026 · Emergency ManagementIntroduced
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H.R. 7358 · Safer Rail Crossing Act of 2026Co-lead · Introduced Feb. 4, 2026 · Transportation and Public WorksIntroduced
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H.R. 7376 · Local Water Protection ActCo-lead · Introduced Feb. 4, 2026 · Environmental ProtectionIntroduced
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H.R. 4419 · AV Accessibility ActCo-lead · Introduced July 15, 2025 · Transportation and Public WorksIntroduced
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H.R. 3714 · Forage Fish Conservation Act of 2025Co-lead · Introduced June 4, 2025 · Public Lands and Natural ResourcesIntroduced
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H.R. 3641 · Wounded Warrior Bill of Rights Act of 2025Sponsor · Introduced May 29, 2025 · Armed Forces and National SecurityIntroduced
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H.R. 3113 · Uniform School Mapping ActSponsor · Introduced April 30, 2025 · Government Operations and PoliticsIntroduced
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H.R. 2642 · Improving Veterans Access to Congressional Services Act of 2025Sponsor · Introduced April 3, 2025 · Armed Forces and National SecurityIntroduced
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H.R. 2268 · Veterans Homecare Choice Act of 2025Sponsor · Introduced March 21, 2025 · Armed Forces and National SecurityIntroduced
Contact and committees
Contact
- D.C. office phone
- 202-225-3026
- Office
- 2182 Rayburn House Office Building Washington DC 20515-0921
- Official website
- mast.house.gov
Committees
- Committee on Foreign Affairs Chair
- Committee on Transportation and Infrastructure
3 subcommittees
- Aviation
- Coast Guard and Maritime Transportation
- Water Resources and Environment
Committee data: the congress-legislators project (public domain), refreshed with every update. Chair and ranking-member roles as published there.
Votes: Voteview (UCLA). Bills: Congress.gov. President's positions: our public list. 2024 results by district: The Downballot. How this is measured · Corrections