---
type: Person
title: "William Lahnen"
description: "Council Member, Duval County — Duval County, FL"
role: "Council Member, Duval County"
level: "county"
branch: "legislative"
state: "FL"
contact:
  phone: "(904) 255-5203"
tenure:
  start: "2025-01-01"
  current: true
ids:
  person: "4293e141-e4d3-496f-b8ff-53ba8c174ac0"
  office: "29f2006f-f2f9-41b3-bf82-25760b647110"
  tenure: "49824b9e-7218-4912-ab14-247e16adb6a5"
  jurisdiction: "01d446d8-2e11-413b-b3c6-deee6de4b5a5"
sources:
  - field: office
    source: "Florida Association of Counties"
  - field: tenure
    source: "Florida Association of Counties"
  - field: jurisdiction
    source: "Census TIGER 2024"
confidence: official
tags: [officeholder, county, legislative, fl]
timestamp: "2026-07-04"
---

# William Lahnen

Current Council Member, Duval County (Duval County, FL).

## Sources

- office: Florida Association of Counties
- tenure: Florida Association of Counties
- jurisdiction: Census TIGER 2024

Generated from the Atlas officeholders v3 export (2026-07-04).