Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Rosemary Joan Keffler, Practice Areas No known practice areas. is located in the city of Prince Frederick, the state of Maryland. Attorney legal address 214 Merrimac CourtPO Box 876Prince Frederick, MD, 20678. For more information, please call (410) 535-3476 Your comments* (not for publishing) * — Required information Rosemary Joan Keffler ← View details 214 Merrimac CourtPO Box 876Prince Frederick, MD, 20678, Prince Frederick, Maryland (410) 535-3476