After two days of closure (see here) because of continuing protests following the killing of George Floyd, the Supreme Court clerk’s office is open again. The court’s website shows this:
The Ronald M. George State Office Complex buildings are closed, however the Supreme Court of California Clerk’s Office is open for in-person filings on Wednesday, June 3, 2020 — eFiling remains available on the court’s website. The court will continue to monitor the local situation and review recommendations from the city administration and the California Highway Patrol.