The DMV released a statement on their website:
California is in a State of Emergency. The DMV continues to provide essential services to Californians by mail, through available online services, kiosks, virtually and other means to continue processing critical transactions during the COVID-19 pandemic.
Field offices are temporarily closed to the public statewide beginning March 27. All appointments at this time have been canceled and no appointments are currently available. Please continue to check the DMV website for updates.
The DMV offices will be closed but will still be able to provide services via mail or online.
For updates or more information, please go to https://www.dmv.ca.gov/portal/dmv.