I go there early (around 8am) and there is no one waiting n the price is right.
August 2023
Costco is great! This one isn't so crowded like the ones around the Bay - Richmond, SF, San Leandro. Weekdays are less busy but still full parking lots after 5pm.
February 2023
The only place I get gasoline. The price is unbeatable and the quality is great. But the long lines… sigh… I guess the lines are there precisely because of the good points. The trade off is worth it.