Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer William Charles Trevillian, Practice Areas General Practice Lawyers. is located in the city of Severn, the state of Maryland. Attorney legal address William C Trevillian PA 7865 Quarterfield RdSevern, MD, 21144. For more information, please call (410) 761-2430 Your comments* (not for publishing) * — Required information William Charles Trevillian ← View details William C Trevillian PA 7865 Quarterfield RdSevern, MD, 21144, Severn, Maryland (410) 761-2430