State might allow more Bay Area counties to move into less restrictive virus tiers Two Bay Area counties could move into the red tier this week San Mateo and Marin County will find out Tuesday from the state if they'll be allowed to move back into less-restrictive red tier for COVID guidelines. That would allow for some limited capacity indoor dining to return. DALY CITY, Calif. - Marin and San Mateo counties are seeing improvements in their COVID-19 numbers, which might allow them to move into a less restrictive red tier as soon as Tuesday. San Francisco also has seen a decrease in case numbers but it could take longer to move to the red tier.