| Business | Phone |
| Charles County Circuit Court Washington Ave & Charles Stamp;, La Plata 20646 | (301) 932-3210 |
| Charles County District Court 200 Charles St, La Plata 20646 | (301) 932-3285 |
| District Court Office 200 Charles St, La Plata 20646 | (301) 932-3277 |