Brian J. Mast

RepublicanDistrict R+7119th CongressOn the ballot 2026

Typical swing score30#286 of 431 representatives across tracked bills

Contact Brian J. Mast’s office

Official D.C. office details from the congress-legislators dataset

Call office 202-225-3026 Contact via website

Washington, D.C. office

2182 Rayburn House Office Building Washington DC 20515-0921

Model

v3defaultv2

Directional: count only breaks toward the other party Why do scores change?

Signals to watch

What in this member’s district, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.

Could pull them toward Democrats · 1 signal

Weak
Backs 1 Democratic-led tracked billSponsor or active cosponsor of 1 of the 865 tracked bills that were introduced by Democrats: H.R. 3962.

Keeps them with Republicans · 1 signal

Medium
Votes with House RepublicansNo ideology or scorecard measure places this member toward the Democrats: DW-NOMINATE +0.461 (party median +0.530; rank 79 of 219 by distance toward the Democrats); Heritage Action 85 (avg 86); LCV 0 (avg 1).

Bill-specific inputsVotes on similar past bills and committee seats vary by bill, so they appear in the swing-v3 scores below rather than here.

Term and election

From the congress-legislators dataset

On the ballot 2026

Current term: January 3, 2025 – January 3, 2027
Next election: November 3, 2026
Years in office: 9.8 years

Committees

Seats on a bill’s committee of referral add a in swing-v3

House Committee on Foreign AffairsChair
Majority · 1st in seniority
House Committee on Transportation and Infrastructure
Majority · 10th in seniority
- Subcommittee on Water Resources and Environment
- Subcommittee on Aviation
- Subcommittee on Coast Guard and Maritime Transportation

Voting ideology

first dimension, from Voteview

R median

D median

Mast

← More liberal (−1)More conservative (+1) →

Their score of +0.461 is 0.07 to the left of the House Republican median (+0.530).

Advocacy scorecards

Their rating vs. the House Republican average

119th Congress85
House Republican average: 86 (n=217)

Swing score by bill

swing-v2 · a bill marks a member as committed to it

Showing 1–50 of 858 tracked bills, best swing first

Swing score for Brian J. Mast on each tracked bill
Bill	Their role	Swing score ·
H.J.Res. 20Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Consumer Gas-fired Instantaneous Water Heaters".Summary on Congress.gov	No position yet	30	Middle
H.J.Res. 24Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Walk-In Coolers and Walk-In Freezers".