With gas prices now at or above the $4/gallon mark, we know your eyes are on that pump as it drains your wallet.
Let Patch help! Click on our traffic/gas tool to find the best prices. (You can also get live traffic conditions there.)
Right now in Castro Valley, it's the Grove Way Quik Stop, where gas is selling for $4.12 a gallon. Or, check the map to find stations in Hayward, San Lorenzo and San Leandro, where gas is selling for $4 a gallon.
Know of another spot? Tell us in the comments.