Costco Gas Prices in South San Francisco, CA
2 Costco fuel centers in South San Francisco · 0 of 2 sell diesel
South San Francisco, California has 2 Costco fuel centers serving members in the area. Across South San Francisco, regular gas averages $5.719 and premium runs about $0.46 higher at $6.179. That's about $0.03 above the California statewide average of $5.684. Within South San Francisco, Costco S San Francisco posts the lowest regular at $5.699 and El Camino the highest at $5.739 — a $0.04 spread worth checking before you fuel up. Across South San Francisco, regular pump prices have climbed about $0.22 over the past two weeks, from $5.499 two weeks ago. Premium has climbed about $0.23 over the same period. None of the South San Francisco Costco fuel centers currently sell diesel.