Douglas K. Marsico

Douglas K. Marsico

Harrisburg, Pennsylvania
Douglas K. Marsico is a graduate of West Chester University and the Widener University School of Law. Mr. Marsico's practice concentration is in criminal defense, DUI defense, traffic violations, driver's licensing matters, real estate and insurance defense.  He is admitted to practice in Pennsylvania and the United State District Court, Middle District of Pennsylvania.  

Mr. Marsico began his law career as law clerk to the Honorable Richard A. Lewis, Court of Common Pleas, Dauphin County, and later served as a prosecutor in the Dauphin County District Attorney's office. Mr. Marsico has taught seminars on traffic and criminal law for the Pennsylvania Association of Criminal Defense Attorneys and Lorman Education Services, and on landlord/tenant law for the Pennsylvania Bar Institute, Sterling Education Services, and the Pennsylvania Chapter of the National Association of Tax Professionals.  He is an instructor on civil law and landlord/tenant law for the Minor Judiciary Education Board; landlord/tenant law for the Harrisburg Area Community College and on real estate law for the Institute of Real Estate Studies.  Mr. Marsico is a member of the Pennsylvania Bar Association, Dauphin County Bar Association, and the Pennsylvania Association for Criminal Defense Lawyers. 

Mr. Marsico was born in Camp Hill, Pennsylvania and currently resides in Upper Allen Township with his wife and two children. He is a member of St. Joseph's Catholic Church in Mechanicsburg and is a member of the parish's Knights of Columbus council.


Areas of Practice

  • DUI/DWI Defense
  • Driver's Licensing Law/Motor Vehicle Code
  • Criminal Defense
  • Landlord/Tenant Law
  • Real Estate Law
  • Professional License Defense
  • Insurance Defense
  • Civil Litigation
  • General Litigation
  • Personal Injury
  • Professional Negligence
  • Real Estate Litigation

Litigation Percentage

  • 75% of Practice Devoted to Litigation

Bar Admissions

  • U.S. District Court Middle District of Pennsylvania, 1998
  • Supreme Court of Pennsylvania, 1993


  • Widener University School of Law, Harrisburg, Pennsylvania
    • Juris Doctor
  • West Chester University, West Chester, Pennsylvania
    • B.S.
    • Major: Liberal Studies

Published Works

  • Significant Developments in Real Estate (Contributing Author), Pennsylvania Association of REALTORS, 1998
  • Significant Development in Real Estate Practice, 2000 (Contributing Author), Pennsylvania Association of REALTORS, 2000
  • Real Estate Reporter, Pennsylvania Association of REALTORS
  • Landlord/Tenant Law, Minor Judiciary Education Board
  • Civil Law Update, Minor Judiciary Education Board
  • Representing Residential Landlords and Tenants, Pennsylvania Bar Institute


  • Landlord/Tenant Law, Minor Judiciary Education Board, 2001 - 2008
  • Landlord/Tenant Law, Harrisburg Area Community College, 1999 - 2006
  • Civil Law Update, Minor Judiciary Education Board, 2001 - 2008
  • Real Estate Law, Pennsylvania Real Estate Institute, 2002 - 2008
  • Traffic Law, Lorman Education Services, Pennsylvania, 2006
  • Collateral Civil Consequences of Criminal Convictions, Pennsylvania Association of Criminal Defense Attorneys, 2003
  • Representing Residential Landlord and Tenants, Pennsylvania Bar Institute, 2003 - 2004
  • Landlord/Tenant Law, Sterling Education Services, 2002 - Present
  • Real Estate Law, Institute of Real Estate Studies, 2000 - 2008

Professional Associations and Memberships

  • Dauphin County Bar Association
  • Pennsylvania Bar Association
  • Pennsylvania Association of Criminal Defense Lawyers
  • Christopher Columbus Honor Society
  • St. Thomas More Society

Past Employment Positions

  • Dauphin County District Attorney's Office, Deputy District Attorney, 1994 - 1997
  • Honorable Richard A. Lewis, 12th Judicial District, Dauphin County, Pennsylvania, Law Clerk, 1993 - 1994

Pro Bono Activities

  • Pro Bono Volunteer, Dauphin County Bar Association
  • St. Joseph's Catholic Church


  • Sigma Phi Epsilon