The Montgomery County Circuit Court in Rockville reopened on July 20 for limited operations. Many services, such as marriage ceremonies, paying fines, obtaining copies of court documents, and being called for jury duty will not resume until October 2020. Many services are available either on-line, or by using a drop-box at the courthouse.
For more more information, see this County website:
https://www.montgomerycountymd.gov/cct/Resources/Files/COVID-19-Notices/Tips-and-FAQs-during-Court-Closure.pdf
Or visit the Circuit Court's main website:
https://www.montgomerycountymd.gov/cct/
The Maryland District Court handles traffic violations, landlord-tenant cases, in addition to some civil and criminal cases. The District Court is also following the Maryland Judiciary's reopening plan, and also moved to the plan's Phase III on July 20. Phase IV is scheduled to start August 31.
For more information on Maryland District Court, see here:
https://www.courts.state.md.us/district/about