| Business | Phone |
| District Court 100 W Patrick St, Frederick 21701 | (301) 694-2000 |
| District Court-Civil-Landlord 100 W Patrick St # 1, Frederick 21701 | (301) 694-2007 |
| District Court-Civil-Small Clm 100 W Patrick St, Frederick 21701 | (301) 694-2008 |
| District Court-Commissioner 7300 Marcies Choice Ln, Frederick 21704 | (301) 694-2009 |
| District Court-Criminal 100 W Patrick St # 1, Frederick 21701 | (301) 694-2003 |
| District Court-Traffic 100 W Patrick St, Frederick 21701 | (301) 694-2002 |