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Statewide Law Firm. Local Solutions.

Experience. Respect. Results.

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About the Firm

Experienced Excellence

O'Hanlon, Demerath & Castillo has been serving the State of Texas since 2000 with measurable success. We pride ourselves on a deep tradition of excellence, ensuring only the highest quality service. We understand the challenges and pressure that come with every case and are here for you every step of the way.

Dependable, calm, and well-spoken, our legal professionals' team adds the personal touch our clients deserve whilst approaching each new case with the attention it needs. Get in touch with us today.

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Contact Us


808 West Ave, Austin, TX 78701


Rio Grande Valley 

426 W Caffery Ave, Pharr, TX 78577


Fort Worth

209 W. 8th Street

Fort Worth, Texas 76102

San Antonio

117 W. Craig Place, San Antonio TX 78212


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