Alameda County and the City of Berkeley have joined Contra Costa, San Francisco, Marin and Sonoma counties in easing their mask mandate.
According to KRON 4, those that are vaccinated in the above counties may remove their mask indoors at offices, gyms, churches and other controlled spaced where everyone is vaccinated. These spaces much not exceed more than 100 people at a time and businesses much verify proof of vaccination.
Masks are still in effect at schools, restaurants, healthcare facilities, etc.
Get more information here.