The recent COVID-19 reports have all Bay Area counties, except for Marin, as widespread. The impact of the possible spreading of the virus over the holiday will not show up in reported positive tests for another few weeks. You can see the marker for the Bay Area, California, and the United States from two weeks ago as a comparison to the current statistics.
The bottom chart shows the spread of the coronavirus in the United States with the new case rate on the vertical axis and the cumulative case rate on the horizontal. The states that have just emerged as hot spots are on the left, like New Mexico; states that have come down from an even higher peak rate are on the right, like North Dakota.