The average price of a gallon of regular gas in Sonoma County is down one cent to $4.93. It was 15 cents higher a week ago and 40 cents higher a month ago. The county average is still a bit higher than the statewide average, which is $4.80 per gallon today. The statewide average is ten cents less than it was a week ago. The cheapest gas in Santa Rosa is at the ARCO on Guerneville Road where a gallon of unleaded is $4.39.
Gas Prices Drop One Cent in Sonoma County to $4.93
