Big John delivered BIG for Lockhart.

He will do the same as County Judge.

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About the Candidate

Meet Big John

John Castillo
30+ Years of Service

"I've spent my career getting things done for working families. Now I'm ready to do the same for all of Caldwell County."

Big John Castillo is a lifelong Caldwell County resident and dedicated public servant. A Lockhart High School graduate from the Class of 1993, Castillo has devoted more than 30 years to state service, working with the Texas Department of Public Safety, Texas Department of Transportation, the Texas House of Representatives, the Texas Department of Motor Vehicles, and the Texas Department of Licensing and Regulation.

Committed to local and regional leadership, he has served on the Lockhart City Council from 2010–2019 and again from 2022 to the present, including a term as Mayor Pro Tem from 2012–2013. Castillo has also served as an Executive Board Member of the Capital Area Council of Governments (CAPCOG).

Proven Results

Big John delivered BIG for Lockhart on City Council. He will do the same as County Judge!

$3.6M

U.S. 183 Expansion

Secured funding from the Texas State Infrastructure Bank in partnership with TxDOT to relocate utilities along U.S. 183, enabling expansion to five lanes.

$1.3M

GLO Grant

General Land Office grant for new pipeline infrastructure from Bois D'Arc Street to Blanco Street in District 2.

Park Improvements

Advanced improvements at Pecos Park and Nueces Park to enhance community recreation.

Flood Mitigation

Implemented a drainage pond in District 2 to reduce runoff and flooding from Silent Valley Road.

Traffic Safety

Delivered a new turning lane at Mockingbird Lane and State Highway 142 to improve traffic safety and flow.

First Responders & City Staff

Consistently championed first responders and supported pay raises for city staff. Partnered with the Lockhart Police Association, CLEAT, and Lockhart Fire to establish meet-and-confer for long-term stability.

Vision for Caldwell County

Five pillars for building a stronger, more prosperous community.

01

Affordability & Responsible Growth

I will fight to keep our county affordable for working families by promoting responsible growth that puts people before special interests. I oppose politicians who sell out our community to developers and big tech data centers that drive up utility costs, strain local resources, and raise property taxes. Growth must pay its own way, protect homeowners, and preserve our quality of life.

02

Economic Opportunity

I will support policies that strengthen small businesses, attract good-paying jobs, and invest in workforce development. Our county should be a place where families can build a future, local businesses can thrive, and economic growth benefits the entire community—not just a few at the top.

03

Better Infrastructure

Strong infrastructure is the backbone of a strong county. I will prioritize smart investments in roads, drainage, and water to support growth, reduce flooding, improve safety, and ensure long-term reliability without overburdening taxpayers. I will also do everything in my power to attract a hospital to Caldwell County.

04

Public Safety

I will back our law enforcement, fire, and emergency responders with the resources, staffing, and training they need to keep our communities safe, while ensuring accountability and fiscal responsibility.

05

Leadership You Can Trust

As County Judge, I will deliver practical, transparent leadership focused on affordability, opportunity, and a safer, stronger future for our county.

2026
March 3, 2026 Primary

Important Dates

Mark your calendar and make your voice heard in Caldwell County.

Deadline

Last Day to Register

FEB 2 Monday
Early Voting Begins

First Day of Early Voting

First business day after President's Day

FEB 17 Tuesday
Early Voting Ends

Last Day of Early Voting

Don't miss your early voting window

FEB 27 Friday

Mail-In Ballot Deadlines

Must be RECEIVED, not postmarked
Application for Ballot by Mail FEB 20
FPCA Application FEB 20
Receive Absentee Ballot MAR 3
Primary Election

Election Day

MAR 3 Tuesday, 2026

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Help Big John bring experienced, results-driven leadership to Caldwell County. Every contribution fuels our grassroots campaign.

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Big John Castillo in the Texas Hill Country