Montgomery County issued the following announcement on March 20.
Effective March 20, 2020 at 5:00 PM all Montgomery County facilities will be closed to the public. While limiting in-person contact between residents and employees, the operations and functions of County departments, offices, and agencies will continue. Contact information for accessing departmental services during COVID-19 pandemic is detailed in the State of Emergency Declaration below.
State of Emergency Declaration Including Departmental Contact Information
Original source can be found here.