Available 24/7 410.927.5137


Due to COVID-19, Shapiro Zwanetz & Associates will be offering video conferences and phone consultations to our clients. Please visit us on Facebook for periodic updates as we receive new information. Above all, please do what you can, during this time, to keep yourselves and your families safe.

Columbia Defense Attorneys

Bringing Over 50 Years of Proven Legal Skill to Each Case We Take

When your rights and future are on the line, the consequences of a bad outcome can be devastating. You need a legal team you can count on. Since 2005, Shapiro Zwanetz & Associates has helped Columbia residents to fight their court battles and preserve their interests. We are your friends that defend. Our boutique law firm keeps a short client list to make sure we give each case the complete attention it deserves.

Whether you have been arrested on criminal charges or were injured as a result of someone else’s negligence, our Columbia lawyers are eager to help you fight for the outcome that best fits your needs and situation. We offer free consultations, so you have nothing to lose by calling us today and getting started on planning for your case.

A Firm You Can Count On

Our focus on client-centered legal service has earned us a strong reputation in our industry, with two of our attorneys maintaining a 10.0 Superb Avvo Rating. Our firm has also been rated by U.S. News & World Report as one of the best law firms for DUI/DWI defense in Baltimore, and when you work with us, you will quickly understand why.

We have garnered a long list of positive client reviews from people who, like you, faced difficult situations and needed not only guidance but support. We are here for you, and we are available 24/7 for any urgent needs you have.

Call us today and schedule your free consultation now. Let us show you why we do what we do.

Great Reviews from Happy Clients

Interested in seeing what our clients have to say? Head over to our Reviews page to read more. Our firm keeps a short client list in order to make sure we can offer the close attention your case deserves. With us on your side, you can feel confident that we will use our industry experience and relationships to give you the best possible outcome for your situation. Do not hesitate to call us and find out what Shapiro Zwanetz & Associates can do for you. Call now.

  • “The outcome of not guilty was a very pleasant surprise and your work was what got me that outcome.”


  • “David’s attention to detail and his dedication made this law firm an easy choice.”


  • “This is a top notch firm with the resources and know how to effectively work your case out down to the last detail.”


  • “Thanks for getting me into treatment instead of jail.”


  • “I appreciate the time and effort that you gave in helping me to secure a favorable outcome in court”


  • “The passion he displayed for the defense field gave our group new respect for such work.”

    Timothy P.

  • “You guys ROCK!”


  • “I am very pleased with the outcome of the Hearing.”


  • “Dave, Thank you for everything you’ve done regarding my case.”


  • “I owe you for much of my career, and for giving me back my life.”

    Wiliam J. - Former Three Time WBA World Middleweight Champion

  • “I couldn’t have done it without the best lawyers in Maryland!”


  • “I was very pleased and grateful to have a firm who provided such great professional help to me during my unfortunate ordeal.”


  • “I choose to look at this experience as a positive to change my life for the better.”


  • “He turned an impossible, no hope for a PBJ, into a great plea agreement, which included a PBJ.”


  • “I feel compelled to write you that as a skeptic, you helped restore my faith in our country’s legal system.”


Meet Our Team

Not all firms are created equal. As one of only a handful to be given the title of Tier 1 Baltimore DUI/DWI defense firm, we have decades of experience gathering evidence to support our clients and helping them effectively tell their side of the story. You are not alone in fighting for your rights. We are here to help you build a case. Whether you need to avoid criminal consequences or are struggling to obtain compensation for a serious injury, Shapiro Zwanetz & Associates stands ready to fight for you. Our industry awards and positive client reviews are a testament to our commitment. Let us be your advocates. Call today and take advantage of our contingency fee pricing and free consultations. Get started now.


  • US News Best Law Firms 2020
  • Super Lawyers 10 Years
  • David Super Lawyer
  • Super Lawyers Justin Lake
  • Avvo - 1
  • Avvo - 2
  • Best Lawyers

Our Practice Areas

This Isn't a "Paycheck" - This Is Our Calling.

At Shapiro, Zwanetz & Associates (SZA) we believe in thinking differently from most lawyers and law firms. We help our clients understand and accept their legal situation; we work with them to confront and improve that situation, while seeking the best outcome available at law. We recognize that each client is a unique individual, each deserving of the highest client/customer service; and we just happen to get our clients excellent results while we deliver that exceptional service.

Shapiro Zwanetz & Associates

7226 Lee Deforest Drive, Suite 207
Columbia, MD 21046

Phone: (410) 927-5137

Regular Hours
  • Monday - Friday 8:45am - 5:15pm

Contact Us Today

We are about getting the best result for our clients.
  1. We are available for you 24/7.
  2. Every initial consultation is free and no-obligation.
  3. We are highly recommended and awarded by various associations.
  4. Our clients love us. Take a look at our reviews page!
  5. We approach every case as a team.
  6. We are a team of former prosecutors and know how the other side thinks.
  7. We have in-house lending options to retain us with no money out of pocket.
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Our Blog

Recent Posts
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    The use of dogs in law enforcement became widespread in the United States during the 1970s . Since then, they have become one of the primary tools ...

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  • The Scientific Method For Reducing Drunk Driving Fatalities
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    Posted by David Zwanetz

    Every year, approximately 10,000 Americans die in traffic collisions that were caused by drunk driving. Though this figure is certainly lower than it ...

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  • The #MeToo Movement Drives Uber To Develop Next-Level Sexual Harassment Tracking Technology
    The #MeToo Movement Drives Uber To Develop Next-Level Sexual Harassment Tracking Technology
    Posted by David Zwanetz

    Each and every day, hundreds of thousands of Americans choose to use Uber to get them to work, to the doctor's office, or to the grocery store. In an ...

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