The increase was among a series of hikes tied to inflation that were established by legislation in 2017.
But it is sparking renewed debate in Sacramento, especially during the pandemic.
State Republicans say now is not the time to raise Californians' expenses.
Democrats contend it's necessary to help pay for bridge and road repairs.
Gov. Gavin Newsom is not expected to halt the increase.
There is some good news on gas prices, though. The average price per gallon is down by about 90 cents from where it was a year ago.