California Gas Tax Increase July 2025. 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. Under the potential plan, california could see a 47.

Here is a recap of how california got here and what drivers can expect moving into 2025. As of july 1, 2024, california raised its gasoline excise tax from 57.9 cents to 59.6 cents per gallon.