About Shapiro Zwanetz & Associates (SZA)

Meet Our Attorneys

Jason A. Shapiro


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David Zwanetz


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Why We’re Different

Attention to Detail

We place a premium on providing superior customer service. From the selections of coffee and cookies available in our lobby to the stationary that we print our letters on, we are obsessed with making every aspect of working with Shapiro Zwanetz & Associates (SZA) effortless. Many lawyers have experience but not every law office puts their clients before all else – we do and we are proud of that.

You Get a TEAM

We work as a team on ALL cases. Any attorney, paralegal or administrative assistant can speak with you about your case at any time. With the price of one you get FOUR powerhouse lawyers.

Unlimited Access

You may visit with the attorneys as often as you need to feel comfortable.

Constant Contact

You will receive a courtesy confirmatory phone call by our staff before each appointment and/or court appearance. This is a small detail, which we have been told time and time again makes a big difference. We anti pate your desire to check in right before your time in court and take that extra step.

Early Review

We obtain all police reports and related materials and forward them to you for your review via pdf, fax, mail, or whatever medium you choose. When you initially retain we obtain your preference and do only that.

Thorough Preparation

After you have had a chance to review the materials relevant to your case, we will write you a letter, requesting that you to meet with us to discuss these materials as well as to discuss your case. We will make sure you are prepared and comfortable before your big day.

We Follow Through

We will send you confirmatory letters. You will never be sitting around after your court date wondering what that small detail was that you may have missed. We confirm it all.

Totally Transparent

You will be sent copies of letters sent to others which are relevant to your case. You will be kept in the loop at all times. We recognize that our jobs are about YOU.

We Are Zealous

We will go the extra mile to make your case go as smoothly and as easily as possible. No stone will be left unturned.


We will adhere to our motto and our core value of providing SERVICE! SERVICE! SERVICE!

This is SZA

Firm History

Rarely in life do you come upon partnerships that truly complement each other’s strengths and change the way legal representation is done in the way Jason Shapiro and David Zwanetz have.

Shapiro, Zwanetz & Associates (SZA) (formerly Shapiro & Mack) was originally formed in January, 2005, when partners in a 50-plus member Maryland law firm decided to start their own boutique litigation firm so that they could provide better service to their clients.

Jason Shapiro had been Chief of the Criminal Defense Department of a law firm and served in two different prosecutor offices in the State of Maryland. It was in those prosecutor offices that Jason honed his skills as a litigator and began making the connections that he covets today. He handled a myriad of cases, from disorderly conduct to death penalty murder cases. He has been to, as both student and teacher, an array of trial schools, such as “Jury Trial School,” “DUI/DWI Trials,” “Using Demonstrative and Physical Evidence,” “Persuasive Opening Statements and Closing Arguments” and the like. Jason concluded his career as a prosecutor as an award winning Assistant State’s Attorney in the Howard County State’s Attorney’s Office.

In January 2006, the firm was expanded with the addition of David Zwanetz. David is a graduate of Widener University School of Law in Wilmington, Delaware where he focused heavily on the areas of Criminal and Constitutional Law. After graduation David completed a brief internship with the Howard County States Attorney’s office before joining the firm. David is an active participant in the Howard County Bar Association, the Maryland Criminal Defense Attorney’s Association, and the National Criminal Defense Attorney’s Association. He is nationally ranked as a “Superior DUI Attorney” and “Top 100 DUI Attorneys in the state of Maryland” by the National Advocacy for DUI Defense, one of “Maryland’s Outstanding Young Lawyers” as listed in Baltimore Magazine, and “Top 10 Attorneys under 40” by the National Academy of Criminal Defense Attorneys.

In the summer of 2008, Jason and David were both formally recognized by the National College for DUI Defense for their efforts in the defense of citizens accused of driving under the influence and are still recognized to the present time.

Additionally, in 2013 Jason and David have the rarified distinction of together trying and getting dismissed all charges against a client accused of First and Second Degree Murder, and Manslaughter. This case tried jointly by Jason and David, is the only murder case dismissed in its entirety by the Office of the State’s Attorney in this century.

The SZA credo is “Service, Service, Service.” Although the firm is located in the heart of Columbia, Maryland, it stands tall among all law firms throughout the entire state. Our firm is dedicated to providing superior legal representation at reasonable fees, in a manner that reflects the highest quality of client service that any attorney can provide. Our attorneys are in court daily, statewide, fighting for the Constitutional and Civil right of our clients. No matter how big or small the case, we treat each and every client as they are our only client.

The firm’s main goal and mission statement is to help each and every client not only attain the best conceivable result available at law, but simultaneously make the process as simple and straightforward as possible. The team recognizes that those necessitating legal counsel often need a friend in court as much as they need zealous representation. The SZA team is happily dedicated to providing that service to each and every client who walks through the door.

Our firm is proud to have received the highest validation for our professional skills and high ethical standards displayed through actions and work product, but even more importantly we are proud to serve or clients and proud that 85% of our business comes from client referrals.

Contact Shapiro Zwanetz & Associates Now for a FREE Consultation

Voted Best Law Firm in Baltimore 2016