
U.S. Representative, Florida
2182 Rayburn House Office Building
Summary
Brian Jeffrey Mast is an American politician and veteran serving as the U.S. representative for Florida's 21st congressional district since 2017. The district, numbered as the 18th district before the 2020 redistricting cycle, includes the Treasure Coast and northern portions of Palm Beach County. He is a member of the Republican Party.
Source: Wikipedia · as of Aug 21, 2026
A quick read on how Rep. Mast votes and legislates this Congress. Every figure links to its full record below.
See where Rep. Mast stands — alongside Democratic and Republican positions.
HR 10099
HR 10099 · Introduced Aug 13, 2026
Aug 13, 2026: Referred to the House Committee on Transportation and Infrastructure.
HR 9788
HR 9788 · Introduced Jul 20, 2026 · Health
Jul 20, 2026: Referred to the House Committee on Energy and Commerce.
HR 8661
HR 8661 · Introduced May 4, 2026 · International Affairs
May 13, 2026: Ordered to be Reported (Amended) by the Yeas and Nays: 37 - 9.
HR 8519
HR 8519 · Introduced Apr 27, 2026 · Environmental Protection
Apr 27, 2026: Referred to the House Committee on Energy and Commerce.
HR 9087
HR 9087 · Introduced Jun 2, 2026 · International Affairs
Computed over Rep. Mast's 645 roll-call votes in the 119th Congress, of which 447were party-split (the two parties' majorities on opposite sides). Unanimous votes are excluded so the rates aren't inflated.
98%
Votes with the Republican majority
On party-split votes
2%
Votes with the other party
The bipartisanship read
3.1%
Missed votes
Chamber median 2.2% · above median
Placement on the House's left–right spectrum
Based on how often Rep. Mast sided with the Republican majority on party-split votes, ranked against all representatives. This is a vote-agreement placement, not an academic ideology score.
Source: Clerk of the U.S. House (roll-call votes) · as of Sep 9, 2025
What Rep. Mast has put their name on in the 119th Congress, and across their career. Most bills — from every member — never become law; the enacted count is context, not a grade.
43
Sponsored this Congress
157 all-time
1
Became law this Congress
2% of those sponsored
1,220
Cosponsored, all-time
Signed on to others' bills
157
Bills sponsored, all-time
Source: Congress.gov · as of Aug 21, 2026
Major bills from recent Congresses — outcomes and party vote breakdowns. For Rep. Mast's individual votes, view their full record on Congress.gov.
Inflation Reduction Act
Enacted2022 · H.R. 5376Largest climate investment in U.S. history; allowed Medicare to negotiate drug prices; reduced the federal deficit.
CHIPS Act
Enacted2022 · H.R. 4346Invested $52 billion in domestic semiconductor manufacturing to reduce dependence on foreign chip supply chains.
Jun 2, 2026: Referred to the House Committee on Foreign Affairs.
Source: Congress.gov · as of Aug 21, 2026
Bipartisan Infrastructure Law
Enacted2021 · H.R. 3684$1.2 trillion for roads, bridges, broadband, rail, water systems, and the electric grid.