The province says that “any business or service that has not been ordered to close, and is also not identified on the essential service list, may stay open if it can adapt its services and workplace to the orders and recommendations of the provincial health officer.” Specifically land registration services and real estate agent services.
Here’s a great article just published by CBC: https://www.cbc.ca/news/canada/british-columbia/essential-services-bc-covid-1.5511040