John F.X. Costello

About John

John F.X. Costello handles primarily serious personal injury matters including wrongful death, medical malpractice, and catastrophic injury. John has been trying personal injury cases in Maryland and Washington, DC for over 30 years and has earned a reputation as a highly effective and personable attorney. As a testament to his dedication and ability, it is common for fellow lawyers and judges to refer cases to John. Throughout his career, John has recovered verdicts and settlements on behalf of injured clients with a combined value over $100 million. A Washington, DC native, John’s practice has been based in Prince George’s County, Maryland his entire career. He has served as lead counsel in hundreds of jury and non-jury trials. John prides himself on being a tireless advocate on behalf of his clients. The vast majority of John’s cases are referrals from former clients.

Licensed States

Education

Colleagues at Costello & Edwards, LLC

Ryan T. Edwards

Attorney