Dedicated Defense Attorney

- Integrity, Experience, Clout  
- Free Initial Consult
- Bilingual Lawyer

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John F. O’Neill Castro Attorney at Law Offers Elite Legal Representation

Bi-Lingual Practice - Hablamos Español

For 27 years, since 1993, John F. O’Neill Castro Attorney at Law has held his legal focus in the field of criminal and traffic defense. As an attorney, Mr. O'Neill Castro has handled thousands of cases, having tried hundreds to verdict in both State and Federal Courts.

John F. O'Neill Castro is the attorney you need to represent you. To get the case focus you deserve, it makes sense to hire a solo practitioner. Because we are a bilingual practice, you won't have to worry about your needs being misunderstood.
Felony Charges

Felony Law

Get legitimate criminal representation from John F. O'Neill Castro Attorney at Law. We are accessible 24/7.
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Dwi

DWI and Traffic

Find out the right legal options for you and reduce your consequences. Call us today for a FREE initial consultation!
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Defensa Criminal

Defensa Criminal

Trust an experienced attorney with over 25 years of experience for your criminal defense. Se habla español.
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John F. O’Neill Castro Attorney

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Have You Found Yourself in a Bit of Legal Trouble? Get Legal Help When It Matters Most!

John F. O’Neill Castro Attorney at Law is the practice that will provide you with the attention your case requires.
  • Criminal Law – Helping you with battery, theft, assault, weapons, and other charges
  • DWI and Traffic – Traffic violations, reckless driving, hit and run, DUI, and more

Put Over 25 Years of Legal Experience to Work for You

John F. O’ Neill Castro Attorney at Law, a 1988 graduate of Mary Washington College in Fredericksburg, is a well-known and respected DUI/traffic/criminal defense lawyer known throughout Northern Virginia, including the Northern Shenandoah Valley.

A graduate of St. Thomas University School of Law in Miami FL, John has offices in Front Royal, as well as Fairfax, VA. He has been practicing law since 1993, when he began his career working with his father, Robert J. O'Neil (1928-2009).