SLO County gas prices steady, find lowest costs

September 7, 2025

By KAREN VELIE

The average price for a gallon of gas in San Luis Obispo County held steady at $4.92 a gallon last week despite flooding at a refinery leading to an increase in the national average price of gas, according to figures from AAA.

In California, the average price for a gallon of gas increased seven cents to $4.61. Nationally, gas prices rose one cent $3.19 a gallon.

SLO County currently has the sixth highest price for gas in the state. Listing the highest average price, Mono County’s price for a gallon of regular gasoline this week is $5.83. Sutter County boasts the lowest average cost at $4.32 a gallon.

Where in SLO County do you find the cheapest gas prices? Using data from GasBuddy, we’ve compiled a list of gas stations with cheaper prices.

Top 10 lowest priced gas stations in SLO County:

1. Sinclair – Arroyo Grande, Grand Avenue: $4.29
2. Katch-Go Petroleum – Arroyo Grande, Grand Avenue: $4.29
3. Gill’s Liquor – Arroyo Grande, Grand Avenue: $4.29
4. San Paso Truck Stop – Paso Robles, Wellsona Road: $4.35
5. Lucky 7 – Morro Bay, Main Street: $4.37
6. One Stop Food – Paso Robles, Spring Street: $4.37
7. Mobil – Morro Bay, Morro Bay Boulevard: $4.39
8. USA Gasoline – Morro Bay, Main Street: $4.39
9. Conserv Fuel – San Luis Obispo, Santa Rosa Street: $4.39
10. Conserv Fuel – San Luis Obispo, Broad Street: $4.39