Mario Castillo

Key Facts

Party N/A; nonpartisan election
Status Challenger


Mario graduated from Texas A&M University where he received his bachelor’s degree in Political Science and master’s degree in Public Health [2]. Mario began his career by helping individuals obtain health insurance through the Affordable Care Act [2]. He then served as the District H Chief of Staff in 2016 and later joined the Houston Health Department [2]. He is currently serving as the Executive Director of Your Houston [3].  

Key Issues

Public Safety

Castillo supports the use of TIRZ 21 funds to pay for Houston Police Department overtime patrols. He would also like to implement the District J Patrol Partnership model he believes was successful. Moreover, Castillo wants to install remote monitor stations in public areas with high crime rates [2]. 


Castillo would like to invest in small businesses and promote public-private partnerships in order to enhance the local economy and community. He would also like to provide neighborhoods with more amenities and tools to protect themselves from gentrification [2].

Health Care

Castillo would like to increase access to affordable healthcare through partnerships with the county and Harris Health. He wants to use mobile health clinics in areas without access to immediate care to do this [2].


Sylvia R. Garcia, United States Member of Congress, TX-29; Lesley Briones, Harris Country Commissioner; Marilyn Burgess, Harris County District Clerk; Robert Gallegos; Houston City Council Member; Anise Parker, President & CEO of Victroy Fund; Houston LGBTQ+ Political Caucus; Latino Victory Fund, Oak Forest Area Democrats, Houston Police Officers Union, Greater Heights Democratic Club, Seafarers International Union, Pipe Fitters Local Union 211, Houston Apartment Association, LGBTQ Victory Fund, Run for Something, 314 Action Fund, New Liberals of Houston, Secular Houston


1 Ballotpedia 
2 Mario for Houston
3 LGBTQ+ Victory Fund