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Since earning his law degree in 2004, David has dedicated his practice to all areas of family law. He has extensive experience with a wide range of matters, including divorce, property division, financial support, child custody, and protective orders.
David understands that family law clients are often navigating some of the most challenging times in their lives. With this in mind, he is deeply committed to guiding people toward a more stable and hopeful future. He strives to resolve issues amicably whenever possible, while also preparing each case thoroughly in the event that litigation becomes necessary.
A lifelong resident of Montgomery County, Maryland, David graduated from the University of Miami School of Law in Coral Gables, Florida, after earning his Bachelor of Arts from the University of Richmond in Virginia. He takes pride in serving his home community and helping local families through difficult transitions.
David has earned the distinguished AV Preeminent rating from Martindale-Hubbell, recognizing the highest level of ethical standards and legal ability. He has also been listed in Super Lawyers magazine and named in Best Lawyers in America. Outside the office, he enjoys spending time with his children, playing soccer, trying every new Oreo flavor, and volunteering with local charities.
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Chat withState: District of Columbia
Acquired: 2009
No misconduct found
State: Maryland
Acquired: 2006
No misconduct found
State: Virginia
Acquired: 2005
No misconduct found
9123 Old Annapolis Road, Suite 209, Columbia, MD, 21045
28 Client Reviews
Showing 1 - 5 of 7 reviews | Communication Style
Posted by anonymous | October 27, 2023 | Hired Attorney | Lawsuits & Disputes
Thank you David!
David displayed an exceptional level of professionalism as he meticulously analyzed all the pertinent details of my case. He consistently made himself accessible and exhibited great patience in thoroughly explaining the various options available to me. As a result, he ultimately achieved a triumphant...
Posted by anonymous | March 18, 2021 | Hired Attorney | Divorce & Separation
Top Notch
Working with Dave was a pleasure especially given the complexity of divorce. I appreciated his straight forward approach walking me through the process, options, and expert counsel. He was readily available and quickly responded to my many questions across a wide range of topics. I would highly re...
Posted by David | January 08, 2017 | Hired Attorney | Child Custody
Great Family Law Attorney!
David Marquardt helped me in a custody and child support case against my ex-wife. I couldn't have asked for a better attorney and person. Mr. Marquardt was patient and explained everything to me in words that I could understand. He helped me obtain the result I wanted and, more importantly, seemed to...
Posted by Cinthya | December 13, 2016 | Hired Attorney | DUI & DWI
DWI Case in Fairfax County
I hired David Marquardt as a recommendation from someone I knew in the legal field here in Fairfax, Virginia. I consulted with David in regards to a DWI matter where I was summoned to court. He immediately took interest my case and advised me as to what my options would be and what documents I would ...
Posted by Danielle | September 20, 2016 | Hired Attorney | Divorce & Separation
The calm in a storm
I work in the legal field and when the time came to find an attorney to handle my divorce, David was my first choice. He not only made me feel comfortable discussing my personal matters with him, he also made me feel at ease and educated throughout such an emotional process. David’s experience, level...
"David Marquardt is an excellent family law attorney and a highly skilled litigator. I strongly endorse Mr. Marquardt."
"Mr. Marquardt is a knowledgeable and experienced attorney that provides excellent representation for his clients in all family law cases. I wholeheartedly endorse this attorney."
"Mr. Marquardt is an excellent attorney with experience in all family law matters. He is a strong advocate for all his clients, and brings a wealth of knowledge to all his cases. I strongly recommend him."
"I had a case where David was the opposing counsel. We were able to work things out by agreement. He was competent, responsive and an excellent advocate for his client. He has become my go to referral for cases in Virginia. I highly recommend David Marquardt."
"I endorse this lawyer. Dave is a very skilled and knowledgeable family law practitioner. I feel confident referring people to him for divorce, custody and domestic relations matters as I know they are in good hands."
"I endorse this lawyer. David Marquardt is an experienced, dedicated family law attorney and I highly recommend him to anyone with a family law matter."
"David is an experienced and well-respected attorney. He is dedicated and passionate in representing his clients. I endorse him for any kind of family law matter you may have."
"David is a talented and dedicated attorney who is well versed in the area of family law. I endorse this attorney."
"David is an experienced and thorough family law attorney with a wealth of knowledge of practice in Fairfax and throughout Northern Virginia. He has a great reputation in the legal community and I highly recommend him to anyone in need of a family law attorney."
"David brings a wealth of knowledge to the table in his role as a family law attorney. A smart and confident attorney, I'm happy to endorse him."
"Mr. Marquardt is an experienced family law attorney. I would recommend him to anyone needing assistance with a family law issue in the Fairfax area."
"Mr. Marquardt is a skilled advocate and excellent family law attorney. I highly endorse Mr. Marquardt."
"Dave comes to our firm with a great deal of experience in all matters related to family law. He is knowledgeable, well-spoken, and easily meets clients' needs. I highly endorse him for all family law matters."
"David is an experienced and dedicated attorney. His court room experience is a great asset. I would recommend David to anyone who needs assistance with a family law matter."
"Mr. Marquardt is an excellent attorney. He has an impressive knowledge of the law and is a skilled negotiator. I give him my highest endorsement."
"David Marquardt is a skilled and dedicated family law attorney. I highly recommend David to anyone facing a divorce or custody battle in Fairfax County or Northern Virginia."
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2025
Elite Lawyer, Elite Lawyer
2025
AV - Preeminent, Martindale-Hubbell
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2021
Client Reviewed, Martindale-Hubbell
2021
AV-Preeminent, Martindale-Hubbell
2020
Super Lawyer, Super Lawyers
2017
Rising Star, Super Lawyers
2017
AV - Preeminent, Martindale-Hubbell
2016
Rising Star, Super Lawyers
2015
Rising Star, Super Lawyers
2015
AV - Preeminent, Martindale-Hubbell
2014
Rising Star, Super Lawyers
2013
Rising Star, Super Lawyers
2012
Rising Star, Super Lawyers
2018 - Present
Founder/Divorce & Family Law Attorney, DM Family Law
2016 - 2018
Partner, Duff Kronfeld & Marquardt P.C.
2011 - 2015
Attorney, The Duff Law Firm, PC
Member
Member
Member
Member
Member
2004
JD - Juris Doctor
2001
BA
2025
2025
2025
2025
2025
2025
English