California Gas Tax Increase July 1 2025. California gas prices are currently $1.35 higher per gallon than the national average. Beginning july 1, california is set to face a gas tax hike, which will increase the tax rate by two cents, adjusting for inflation.

Democrats opted to raise gas taxes anyway. The only definitive price increase at the pump this year will be california’s gas tax, which goes up by about 2 cents on july 1.