Atty. David S. De Jong

Atty. David S. De Jong

Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 40 years of experience. Raised in Montgomery County, David always intended to practice law in his “home town”.

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Profile Summary

About David S. De Jong at a glance

David S. De Jong is a trusts, tax, and tax litigation attorney based in Rockville, Maryland, practicing at Stein Sperling Bennett De Jong Driscoll PC. Admitted to practice in Maryland, State Bar Association, District of Columbia, Bar Association, and Virginia, State Bar Association. Educated at Georgetown University (—, 1979) and Washington and Lee University (J.D., 1975). Recognitions include Best Lawyers in America — Litigation and Controversy - Tax (2026), Best Lawyers in America — Tax Law (2026), and Best Lawyers in America — Trusts and Estates (2026). Serands clients in Rockville, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 40 years of experience
  • Raised in Montgomery County, David always intended to practice law in his “home town”
  • He has been instrumental in maintaining Stein Sperling’s collegial, small-firm feel while helping its tax department grow into a regional powerhouse
  • David has a gift for putting himself in his clients’ shoes to gain a deep understanding of their tax-related concerns
  • He works hand-in-hand with them, providing first-rate representation and solutions customized to individual circumstances
  • David’s confidence and experience give his clients peace of mind that their tax matters – big and small – are in the right hands
  • David brings a high level of expertise, creativity, sound judgment and personal attention to helping solve his clients’ tax, estate and business matters
  • Coauthor for 16 years of J.K
  • Lasser’s book, Year-Round Tax Strategies, David has been quoted frequently in a variety of publications including the Wall Street Journal and the New York Times
  • He has testified as an expert witness more than 50 times in tax, estate, business valuation and income matters and is an often requested speaker before industry groups throughout the country
  • Trained in collaborative law and mediation, David is available to assist divorcing and other disputing parties in resolution of those differences
  • David is an integral part of many professional groups including the American Academy of Attorney-CPAs, of which he served as National President and received a prominent award for lifetime service to the organization
  • The Bar Association of Montgomery County recognized David as an Honorary Life Bar Leader for his many years of committed service
  • He is an adjunct professor at Washington & Lee University where he teaches an annual two-week intensive course in business transactions

Practice Areas Explained

David S. De Jong's Areas of Practice

Each practice area below reflects the types of cases David S. De Jong handles, with a brief overview of what that area of law covers.

Trusts

David S. De Jong is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Maryland →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

David S. De Jong is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Maryland →

Tax Litigation

David S. De Jong is one of 3,110 tax litigation attorneys indexed nationally. Browse tax litigation attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

Practicing law in Maryland. Legal matters in Maryland are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Rockville are typically filed in the local municipal court or the appropriate Maryland state district court, depending on subject matter and amount in controversy. An attorney licensed in Maryland brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Maryland courts without local counsel or pro hac vice admission.

Looking for additional Maryland attorneys? Browse all attorneys in Rockville or all attorneys in Maryland.

Frequently Asked

Common questions about David S. De Jong

Where is David S. De Jong's law office located?
David S. De Jong's law practice is located in Rockville, Maryland. The firm is Stein Sperling Bennett De Jong Driscoll PC. You can contact the office directly through this profile page.
What practice areas does David S. De Jong handle?
David S. De Jong focuses on trusts, tax, tax litigation. Each practice area listed reflects experience handling cases of that type in Maryland.
Where did David S. De Jong go to law school?
David S. De Jong earned their education at (—, 1979); (J.D., 1975); (BA, 1972).
How can I contact David S. De Jong for a consultation?
You can contact David S. De Jong directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has David S. De Jong received?
David S. De Jong's notable recognition includes: Best Lawyers in America — Litigation and Controversy - Tax; Best Lawyers in America — Tax Law; Best Lawyers in America — Trusts and Estates; Best Lawyers in America — Awards:; Best Lawyers in America — Maryland Super Lawyer (2007-2019); Top 100 Attorneys in Maryland (2013-2019); Top 50 Attorneys in Maryland (2009-2010).

Education

Georgetown University
- 1979
J.D.
Washington and Lee University
- 1975
BA
University of Maryland
- 1972

Awards

Best Lawyers in America — Litigation and Controversy - Tax
- 2026
Best Lawyers in America — Tax Law
- 2026
Best Lawyers in America — Trusts and Estates
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Maryland Super Lawyer (2007-2019); Top 100 Attorneys in Maryland (2013-2019); Top 50 Attorneys in Maryland (2009-2010)
- 2026
Best Lawyers in America — Washington, D.C. Super Lawyer (2007-2018); Top 100 Attorneys in Washington, D.C. (2009-2010, 2012-2017, 2018)
- 2026
Best Lawyers in America — Bar Association of Montgomery County, President’s Citation for Distinguished Service (2008)
- 2026
Best Lawyers in America — Montgomery County, Maryland Bar Foundation, Honorary Lifetime Bar Leader (2008)
- 2026
Best Lawyers in America — Washingtonian; Top Estate Planners (1994, 2009); Top Tax Lawyers (2011-2019)
- 2026
Best Lawyers in America — CPA Magazine; Top 50 IRS Representation Practitioners (2008); 40 Top Tax Advisors to Know In a Recession (2009)
- 2026
Best Lawyers in America — National Association of Certified Valuation Analysts, State Chapter Presidents’ Leadership Award (2007)
- 2026
Best Lawyers in America — SmartCEO Magazine; Power Players Finalist (2013); Greater Washington Legal Elite (2006-2009; 2012-2013)
- 2026
Best Lawyers in America — Worth Magazine, Top 100 Attorneys in the United States (2006)
- 2026
Best Lawyers in America — Martindale-Hubbell, AV Preeminent peer review rating
- 2026

Bar Admissions

Maryland, State Bar Association
District of Columbia, Bar Association
Virginia, State Bar Association

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