Brian Mast
U.S. Representative, FL-21 since 2017. Ran in 5 elections between 2016 and 2024, winning 5. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, FL-21Born 1980Analyst
- In office
- 9 yrs
- Since 2017
- Bills became law
- 1
- 42 sponsored, 119th Congress
- Votes missed
- 3.0%
- Chamber median 2.1%
- With party
- 98%
- On votes splitting the parties
- Last margin
- +9.1
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Committees
119th Congress.
- House Committee on Transportation and InfrastructureAviationCoast Guard and Maritime TransportationWater Resources and Environment
- House Committee on Foreign Affairs · Chair
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Mast sits in the U.S. House
Mast is closer to the center than 53% of the chamber's Republicans.
Closest: Laurel Lee, Guy Reschenthaler, Michael Guest
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Mast’s party
- Votes with the chamber's Republicans98%
- Cosponsorships of the other party's bills23%
Black tick: the average of Republicans in the U.S. House.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Mast’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Mast | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Sep 16, 2026 | HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | Yes | Yes | No | Passed 262–159 |
| Jun 30, 2026 | HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to… | No | No | Yes | Failed 189–235 |
| Jun 9, 2026 | S 2: Secure America Act | Yes | Yes | No | Passed 214–212 |
| May 13, 2026 | HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure… | Yes | Yes | No | Passed 218–203 |
| Feb 12, 2026 | HR 2189: To modernize Federal firearms laws to account for advancements in technology and… | Yes | Yes | No | Passed 233–185 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Mast was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | U.S. House, FL-21 | Won | R+9.1 | R+16.4 | −7.3 |
| 2024 | U.S. House, FL-21 | Won | R+23.6 | — | — |
| 2022 | U.S. House, FL-21 | Won | R+27.0 | — | — |
| 2020 | U.S. House, FL-18 | Won | R+14.8 | — | — |
| 2018 | U.S. House, FL-18 | Won | R+8.6 | — | — |
| 2016 | U.S. House, FL-18 | Won | R+10.5 | — | — |
Source: 99chambers results archive; 2026: Florida Department of State, Division of Elections (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $5.1M
- Spent
- $4.5M
- Cash
- $2.4M
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| MAST FOR CONGRESS FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Mast has held
- U.S. House, FL-21 · 2023–2027
- U.S. House, FL-18 · 2017–2023
Source: 99chambers results archive
Who Mast has run against
- James Martin (D) · 2026 election, won
- Thomas Witkop (D) · 2024 election, won
- Corinna Balderramos Robinson (D) · 2022 election, won
- Pam Keith (D) · 2020 election, won
- Lauren Baer (D) · 2018 election, won
- Randy Perkins (D) · 2016 election, won
Source: 99chambers results archive; 2026: Florida Department of State, Division of Elections (unofficial)
In the polls
Included in 9 polls; Mast’s best result was 53% (Florida's 18th District, 2018).
Mast’s polls in the database →How we know Mast
One person, matched across every source we use.
- Bioguide M001199
- FEC H6FL18097
- Wikidata Q27733854
- Ballotpedia Brian Mast
- Vote Smart 166245
- GovTrack 412698
- OpenSecrets N00037269
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET