About the Firm

Your Trusted Legal Allies in El Paso

At Castañon and Dominguez Law, PLLC, we bring over 35 years of combined legal experience to the forefront, serving clients in federal and state criminal law, family law, and personal injury cases. As proud El Paso natives, we deeply understand the unique legal and cultural nuances of our community. Our team is fully bilingual in English and Spanish, ensuring compassionate, clear communication and dedicated representation for clients from all backgrounds.

Whether you’re facing criminal charges, navigating sensitive family matters, or seeking fair compensation for a personal injury, we are here to provide personalized and strategic legal counsel. Our commitment is to achieve the best possible outcome for each client, backed by our extensive legal expertise and strong ties to the El Paso community.

Felix Castañon

Felix Castañon, a proud first-generation Mexican American and lifelong resident of El Paso, embodies resilience and dedication. Growing up in the Devil’s Triangle, one of El Paso’s most enduring neighborhoods, Felix learned the importance of perseverance and community support early on. As one of the first in his family to attend college and the first to pursue graduate studies, he has blazed a trail defined by achievement and service.

With an impressive 26-year legal career, Felix brings a wealth of experience to his community. His nearly four years as an Assistant District Attorney and over two decades as an Assistant Public Defender have honed his legal expertise and sharpened his commitment to justice. Having managed close to 100 jury trials, spanning cases from misdemeanors to serious felonies, Felix approaches each case with seasoned insight and a strong sense of fairness.

Octavio Dominguez

Octavio Dominguez, a proud El Paso native, was born in El Paso and raised in Cd. Juarez, commuting daily to school before his family settled in the city full-time. A Cathedral High School graduate, he earned his B.A. in Ecology and Evolutionary Biology from Princeton University and later received his law degree with honors from SMU Dedman School of Law.

Licensed to practice in Texas, including the Western and Northern Districts, Octavio returned to El Paso in 2013, completing federal clerkships with Magistrate Judge Anne T. Berton and District Judge David C. Guaderrama. He later served as a supervising Deputy Public Defender with the El Paso County Public Defenders, leading trial attorneys and managing his own docket. With nearly a decade of legal experience, Octavio is a dedicated advocate and committed public servant, deeply rooted in his community.

Ruben P. Hernandez – Of Counsel

Ruben P. Hernandez brings decades of legal experience to Castañon and Dominguez Law Firm as Of Counsel. A respected attorney in the El Paso community, Mr. Hernandez has dedicated his career to advocating for justice and serving clients with integrity and professionalism. His extensive knowledge spans multiple practice areas, including criminal defense, family law, personal injury, and immigration law, making him an invaluable resource for the firm and its clients.

With over 26 years of experience as a licensed attorney, Mr. Hernandez has represented clients across Texas and southern New Mexico, demonstrating his commitment to providing outstanding legal representation. A seasoned litigator, he has tried numerous civil cases to verdict in both state and federal courts, showcasing his ability to navigate complex legal issues and secure favorable outcomes. Among his many accolades, Mr. Hernandez received the prestigious Top Texas Verdicts of 2009 award for his work in medical malpractice. He has also been recognized locally with multiple Best of El Paso awards, solidifying his reputation as one of the region’s top attorneys.

Originally from West Texas, Mr. Hernandez has called El Paso home for over 25 years. He is deeply committed to supporting his adopted community and upholding the highest standards of legal practice. Known for his meticulous approach and compassionate advocacy, Mr. Hernandez works tirelessly to prioritize his clients’ needs and deliver exceptional results.

As Of Counsel, Mr. Hernandez collaborates with the attorneys at Castañon and Dominguez, providing seasoned insight and guidance to ensure clients receive the best possible representation.

When he’s not practicing law, Mr. Hernandez enjoys contributing to the El Paso community through mentorship and volunteering, further cementing his legacy as a dedicated legal professional and community leader.