Mark D. Eastburn joined Eastburn and Gray in 2018. He practices in the areas of criminal defense, litigation, municipal law, and land use and zoning law.

Mark routinely represents clients charged with criminal offenses before the Courts of Common Pleas and Magisterial District Courts in Bucks and Montgomery Counties. While Mark often represents clients charged with a variety of felony and misdemeanor offenses, he most frequently represents clients in the defense of driving under the influence (“DUI”) charges, narcotics offenses, and juveniles accused of crimes. Mark has also successfully handled probation and parole violations, traffic and non-traffic citations, and expungements on behalf of his clients.

Mark frequently represents individuals and businesses in a variety of litigation matters, including business disputes, breach of contract actions, and real estate disputes. He has appeared before the judges of the Courts of Common Pleas, Magisterial District Courts, and arbitration panels on these matters. He has also appeared on behalf of private and institutional clients before zoning hearing boards and municipal governing bodies in a variety of land use and zoning matters, including applications for variances, conditional uses, and special exceptions. Mark routinely files and responds to right-to-know requests on behalf of private and municipal clients.

All facets of Mark’s practice utilize the trial advocacy skills that he developed during his service as an Assistant District Attorney in Bucks County, where he conducted trials and hearings before juries and judges. Mark uses this experience to advocate and achieve positive results for his clients.


Mark is a member of the Bucks County Bar Association and the Pennsylvania Bar Association. He is also a member of the Criminal Law section of the Bucks County Bar Association.

Since 2015, Mark has been a member of the Bucks County American Inns of Court. The purpose of the group is to meet routinely to discuss matters of ethics, skills and professionalism.

Mark currently serves on a panel of attorneys who are Court appointed to represent indigent criminal defendants in Bucks and Montgomery Counties.

Bar Admission

Supreme Court of Pennsylvania; Supreme Court of New Jersey; and the United States District Court for the Eastern District of Pennsylvania.


Mark received his law degree from St. John’s University School of Law in New York and his B.A. in Economics from Fairfield University in Connecticut.

Honors and Awards

  • St. John’s Law Pro Bono Service Award Recipient for completing over 500 pro bono hours.

Clerkship Experience

Between 2014 and 2015, Mark served as a judicial law clerk to the Honorable Jeffrey L. Finley, Judge of the Bucks County Court of Common Pleas.

Volunteer and Community Work

  • Member, Board of Directors, Aldie Foundation, 2019 – present
  • Assistant Coach, Men’s Lacrosse, Pennridge School District, 2019 – present

Personal Data

Mark is a native of and presently resides in Doylestown. He is a grandchild third removed from the founder of Eastburn and Gray. When he is not practicing law, he enjoys skiing and playing basketball.