RepublicanBrian J. Mast
U.S. Representative · Florida
Florida's 21st district
U.S. Representative from Florida
3 tracked promises, 3 rated
Running against
How they won their seat
Brian J. Mast won the 2024 U.S. House election in Florida (District 21) with 61.8% of the vote (277,435 votes).
- Brian J. Mast · Republican61.8%277,435
- Thomas Witkop · Democrat38.2%171,312
- 1 Other Candidate0%19
Certified results. Source: MIT Election Data + Science Lab (MEDSL) ↗. A plurality winner can hold under 50% when more than two candidates run.
Inferred legislative agendas
Brian J. Mast's record includes sponsorship of bills such as HR 8661 (Foreign Military Financing Loan Authorization Act of 2026) and HR 3819 (PROTECT Florida Act). He has also sponsored multiple resolutions related to honoring military personnel. Focus areas (from the record): Foreign Affairs · Military Support · Environmental Policy · Veteran Affairs · Infrastructure Alignment with declared positions: Insufficient evidence. The evidence does not provide a basis for comparison against declared positions or tracked promises. What this can't tell you: The politician's specific motives or intentions behind the sponsored bills; The effectiveness of the sponsored legislation in achieving its goals; Any unlogged work or informal engagements that may influence his legislative focus. Confidence: moderate (based on the volume of verified record on file).
Inferred, not stated. Brian J. Mast has not necessarily stated these as goals. This is an AI-generated, nonpartisan reading of the patterns in their verified record — sponsored legislation, committee work, roll-call votes, and campaign-finance composition — and how those patterns compare to any declared positions and tracked promises. It describes what the record emphasizes, never imputes motive, and is run through an adversarial review pass that scrubs bias, loaded language, and any claim the evidence doesn’t support. It is not a quote, a claim they made, or a rating; every underlying item is sourced in the verified record below; and it never affects the Integrity Score.
Activity in office
What Brian J. Mast has actually done in office — sourced from official roll-call and government records, shown in full below. These are facts, separate from tracked promises and never folded into any score.
- Votes cast
- 609
- Voted yea
- 456
- Voted nay
- 134
- Bills sponsored
- 145
- Committees
- 5
Roll-call data last updated July 20, 2026 · source: Voteview.
Monthly voting activity
- Yea
- Nay
- Total
Roll-call votes per month — most recent on file. Source: Voteview.
Vote attendance
Share of roll calls participated in — most recent votes on file. Source: Voteview.
Bills sponsored over time
Bills sponsored per year, stacked by outcome (latest action). Outcome data covers the 118th–119th Congresses; earlier years show as “awaiting status” until enriched. Source: Congress.gov.
Independence
How often they break with their party’s majority — neither good nor bad, just the record.
Most recent roll-call votes on file. Source: Voteview.
Bill success rate
Bills SPONSORED in the 118th–119th Congresses, by their latest action. Source: Congress.gov.
Campaign finance over time
- Small-dollar (unitemized)$1.0M36%
- Large individual (itemized)$1.4M48%
- PAC / committee$460K16%
By election cycle. Source: FEC.
Committee memberships
- Member, House Committee on Transportation and InfrastructureOn record since Jan 2025Member
- Chair, House Committee on Foreign AffairsOn record since Jan 2025Chair
- Member, House Committee on Transportation and Infrastructure — AviationOn record since Jan 2025Member
- Member, House Committee on Transportation and Infrastructure — Coast Guard and Maritime TransportationOn record since Jan 2025Member
- Member, House Committee on Transportation and Infrastructure — Water Resources and EnvironmentOn record since Jan 2025Member
Source: Congress.gov.
Integrity
Promises kept vs. worked against — weighted breakdown+75 · based on 3 rated promises
- Championed 3
Teal segments are promises kept; amber and stone segments are promises worked against. The signed score weights each rated promise by significance and evidence confidence. Promise-keeping is shown separately from popularity, finance, disclosure, and stated positions. Methodology is open.
Integrity over time
In office since Jan 2019 · 3 rated promisesEach step is a real change in the sourced record — the score holds between assessments.
Promise status over time
How the tracked promise record has evolved.
- Kept3
- Against0
- No opportunity0
- In progress0
Replayed from this official’s sourced assessment history — the bands step only when an assessment is recorded or changed. Based on the most recent roll-call votes on file and the tracked promise assessments; never interpolated.
Topic coverage
3 promises across 2 topicsWhat this record covers — the number of tracked promises per topic. This is coverage, not a verdict; the kept/against shading within each bar mirrors the Integrity breakdown above.
- Environment2 promises
- Government Reform1 promise
Evidence & significance
Evidence quality
Strongest source cited per promise.
- Primary (official record)3100%
Significance mix
How weighty the tracked promises are (1 = minor, 5 = defining).
Significance weights each promise in the Integrity Score.
3 tracked promises
“Force the U.S. Army Corps of Engineers to halt the harmful Lake Okeechobee freshwater discharges into the St. Lucie Estuary and make long-term operational changes to prevent them, protecting Treasure Coast public health.”
“Complete the EAA (Everglades Agricultural Area) Reservoir and secure federal funding to accelerate Everglades restoration so Lake Okeechobee water is stored and sent south rather than discharged to the coasts.”
“Co-sponsor and vote for the U.S. Term Limits constitutional amendment limiting members of the House to three terms and Senators to two terms (signed the U.S. Term Limits pledge).”
Verified record
145 sponsored bills · finance on fileFacts imported directly from official government sources — shown separately from tracked promises and never folded into the Integrity Score. Each entry links to its primary source.
FEC 2026 cycle — raised $3,104,405, spent $2,322,221, cash on hand $0.
View the FEC filing ↗Sponsored legislation
- Sponsored HR 9087: To direct the Secretary of State to take actions with respect to certain foreign affairs matters. ↗Jun 2, 2026
- Sponsored HR 8661: Foreign Military Financing Loan Authorization Act of 2026 ↗May 4, 2026
- Sponsored HR 8519: To require the Administrator of the Environmental Protection Agency to waive Reid Vapor Pressure requirements with respect to calendar year 2026, and for other purposes. ↗Apr 27, 2026
- Sponsored HR 8054: To designate the Palm Beach International Airport in Florida as the "Donald J. Trump International Airport", and for other purposes. ↗Mar 24, 2026
- Sponsored HCONRES 79: Authorizing the use of the rotunda of the Capitol for the lying in state of the remains of Air Force Major John A. Klinner, Captain Ariana G. Savino, Captain Seth R. Koval, Captain Curtis J. Angst, Technical Sergeant Ashley B. Pruitt, and Technical Sergeant Tyler H. Simmons. ↗Mar 18, 2026
- Sponsored HCONRES 77: Authorizing the use of the rotunda of the Capitol for the lying in state of the remains of Army Major Jeffrey R. O'Brien, Captain Cody A. Khork, Chief Warrant Officer 3 Robert M. Marzan, Sergeant First Class Noah L. Tietjens, Sergeant First Class Nicole M. Amor, Sergeant Declan J. Coady, and Sergeant Benjamin N. Pennington. ↗Mar 12, 2026
- Sponsored HRES 1099: Reaffirming Iran remains the largest state sponsor of terrorism. ↗Mar 4, 2026
- Sponsored HCONRES 74: Providing for a joint session of Congress to receive a message from the President. ↗Feb 10, 2026
- Sponsored HR 7438: PETSAFE Act of 2026 ↗Feb 9, 2026
- Sponsored HR 6875: AI OVERWATCH Act ↗Dec 18, 2025
- Sponsored HCONRES 67: Authorizing the use of the rotunda of the Capitol for the lying in state of the remains of Sergeant Edgar Brian Torres-Tovar, and of Sergeant William Nathaniel Howard, of the Iowa National Guard. ↗Dec 15, 2025
- Sponsored HR 6691: Ceasing Age-Based Trucking Restrictions Act ↗Dec 12, 2025
Showing the 12 most recent of 145 sponsored measures.
Voting record
- Total votes
- 609
- Yea
- 456
- Nay
- 134
- Present
- 0
- Not voting
- 19
Full voting record
609 votes- HR9237Nay
- HR5362Yea
- HR8595Yea
- HR8595Nay
- HR8595Yea
- HR8595Nay
- HR8595Nay
- HR8595Yea
- HR8595Yea
- HR1181Yea
- HR1181Nay
- HR139Yea
- HRES1423Yea
- HRES1423Yea
- HR8897Yea
- HR3106Yea
- HRES1399Yea
- HCONRES108Nay
- HRES1398Yea
- HRES1398Yea
Roll-call votes, 119th Congress. Source: Voteview (voteview.com). Click any vote to verify it independently.
Stated positions
2 positions on recordWhat this official says they believe — sourced claims, shown distinctly from tracked promises and from any assessment of what they did. A stated position is never scored and never affects the Integrity Score.
- Government ReformStated position
Co-sponsor and vote for the U.S. Term Limits constitutional amendment limiting members of the House to three terms and Senators to two terms (signed the U.S. Term Limits pledge).
Sourceshttps://docslib.org/doc/241457/the-u-s-term-limits-pledge-signers-116th-congress-of-the-united-stateshttps://www.isidewith.com/candidates/brian-mast/policies/domestic-policy/term-limitsView position & sources → - EnvironmentStated position
Force the U.S. Army Corps of Engineers to halt the harmful Lake Okeechobee freshwater discharges into the St. Lucie Estuary and make long-term operational changes to prevent them, protecting Treasure Coast public health.
Sourceshttps://floridadaily.com/brian-mast-pressed-army-corps-of-engineers-on-lake-okeechobee-discharges/https://www.wptv.com/news/protecting-paradise/2-week-pause-in-lake-okeechobee-discharges-is-woefully-inefficient-us-rep-brian-mast-saysView position & sources →
Disclosure
A separate measure from the promise scorecard above. It tracks confirmed cases where this official has acted on or championed an issue that already existed when they ran, but which they did not disclose as a priority in their campaign. Each case meets a high evidence bar — three independent sources — and the score is shown alongside the Integrity Score, never merged into it. How this is measured.
No undisclosed priorities on record. This is not a clean-audit claim — it means none have been confirmed for this official.
Office context & community edits
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