---
type: Person
title: "Brian J. Mast"
description: "U.S. House of Representatives - FL-21 — Congressional District 21"
role: "U.S. House of Representatives - FL-21"
party: "R"
level: "federal"
branch: "legislative"
state: "FL"
district: "Congressional District 21"
tenure:
  start: "2025-01-03"
  current: true
election:
  next: 2026
  term_length: 2
  term_limit: "none"
ids:
  person: "6a1fadd3-f6eb-4b1f-bb2f-c2fad849755b"
  office: "5c5f81b0-2035-4612-bd98-80109ed89a2a"
  tenure: "88a57343-2c94-4094-8c66-8df00503e44c"
  jurisdiction: "3783a98c-4912-4c3f-81ff-2a7e50791429"
sources:
  - field: tenure
    source: "House Clerk XML 2026-06-10"
  - field: jurisdiction
    source: "Census 119th CD 500k"
confidence: official
tags: [officeholder, federal, legislative, fl]
timestamp: "2026-06-20"
---

# Brian J. Mast

Current U.S. House of Representatives - FL-21 (Congressional District 21).

## Sources

- tenure: House Clerk XML 2026-06-10
- jurisdiction: Census 119th CD 500k

Generated from the Atlas officeholders v2 export (2026-06-20).