Gas prices increase in San Luis Obispo County, find lowest costs

August 23, 2026

By KAREN VELIE

Amid continued instability in the Strait of Hormuz, the average price for a gallon of gas in San Luis Obispo County increased three cents last week to $5.86, according to AAA. At $5.66, the average price for a gallon of gas is currently 20 cents less in Santa Barbara County.

In California, the average price for a gallon of gas is rise three cents to $5.61 last week. Nationally, gas prices jumped three cents to $4.09 a gallon.

SLO County currently has the fifth 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 $6.83. Sutter County boasts the lowest average cost at $5.29 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. Anchor Gas – Morro Bay, Main Street: $5.29
2. Conserv Fuel – San Luis Obispo, 2211 Broad Street: $5.29
3. One Stop Food – Paso Robles, Spring Street: $5.33
4. Sinclair – Arroyo Grande, Grand Avenue: $5.33
5. USA Gasoline – Morro Bay, Main Street: $5.35
6. Gill’s Liquor – Arroyo Grande, Grand Avenue: $5.35
7. Mobil – Morro Bay, Morro Bay Boulevard: $5.39
8. Valero – Higuera Street, San Luis Obispo: $5.39
9. San Paso Truck Stop – Paso Robles, Wellsona Road: $5.39
10. Poppy – Pismo Beach, Five Cities Drive: $5.45