According to the OC Register, the Disneyland Resort is currently no longer accepting reservations for their three hotels before July 2020 due to the coronavirus pandemic. The Disneyland Hotel, Disney’s Paradise Pier Hotel, and Disney’s Grand Californian Hotel are currently only available for travel dates on July 1 or after. In addition, dining reservations, as well as other experiences are also unavailable to be booked until after that date.
Disney has not announced a reopening date for its theme parks in California. They have announced that Disney Springs at the Walt Disney World Resort would be reopening in a phased open beginning May 20.