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Oscar Castañeda, Partner


Prior to moving to the valley of the sun to complete his education, attorney Oscar Castañeda grew up in the border town of Nogales, Arizona.  While growing up, Oscar witnessed, first hand, people struggle with criminal and immigration issues.  In fact, it was his desire to provide quality service and guidance to those confronted such issues which drove his decision to devote his life’s work to the practice of law.

While attending law school at Arizona State University, Oscar served as a law clerk for a prominent Phoenix-area criminal defense attorney.  During that time, Oscar gained a tremendous amount of experience, learning the criminal court system and sharpening his legal skills.  Oscar also spent time working at an immigration law office, where, early on in his career, he had the unique ability to learn the dynamic between the two areas of law.   

Shortly after graduating law school in 2006, Oscar was hired by a large criminal defense firm where he was immediately given a high-level felony caseload.  This experience has given Oscar the ability to handle a wide range of cases, from DUI to homicide and everything in between. Oscar is uniquely skilled in both the areas of negotiation and litigation. His diverse background allows him to effectively communicate with his clients.  Oscar’s work ethic and devotion to his profession have allowed him to become a versatile and effective trial attorney.   In forming Castañeda Law, Oscar and his brother Jorge were guided by their life-long principles of putting forth the greatest possible effort to obtain the best possible result.  The team at Castañeda Law provides aggressive legal representation at the highest level while maintaining the utmost professionalism and integrity.  It is the quality of representation that sets Castañeda Law apart and makes it the premier law firm for your criminal or immigration needs.   

  • Arizona State College Of Law, Tempe, Arizona, Juris Doctorate, May 2006

  • Arizona State University, Bachelor of Interdisciplinary Studies Cum Laude, May 2003

  • Arizona State Bar

  • United States District Court

  • English

  • Fluent Spanish Speaker

  • Remember, remember always, that all of us, and you and I especially, are descended from immigrants and revolutionists.

    Franklin D. Roosevelt
  • The land flourished because it was fed from so many sources--because it was nourished by so many cultures and traditions and peoples.

    Lyndon B. Johnson
  • Our attitude towards immigration reflects our faith in the American ideal. We have always believed it possible for men and women who start at the bottom to rise as far as the talent and energy allow. Neither race nor place of birth should affect their chances.

    Robert F. Kennedy
  • We came to America, either ourselves or in the persons of our ancestors, to better the ideals of men, to make them see finer things than they had seen before, to get rid of the things that divide and to make sure of the things that unite.

    Woodrow Wilson

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