⛽ Costco Gas Prices in California
Estimated today · Based on California AAA avg · Source: AAA + historical Costco savings data
California Avg Today
—
per gallon · regular
Est. Costco Price
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~15–30¢ below state avg
⚠️ Costco does not publish real-time prices. Estimated price uses today's California AAA average minus Costco's typical 15–30¢/gal savings. Actual prices vary by location.
California Gas Tax Context
California's state gas tax is approximately 86¢ per gallon — one of the highest in the US. This tax applies equally to all stations including Costco, so the 15–30¢ membership discount is on top of the post-tax street price. In high-tax states like California, the absolute price at the pump is higher, but the relative savings from a Costco membership remain the same.
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~136 Costco locations in California
Use the Costcoapp or website to find the nearest fuel center and confirm today's price.
Membership required
Costco fuel is available to members only. $65–$130/year · Gold Star ($65/year)
Costco Gas in California — FAQs
How much is gas at Costco in California today?
Based on today's California average of current local prices, Costco in California is estimated at around $a few cents less per gallon. Costco typically prices 15–30¢ per gallon below the state average.
Is Costco gas cheaper than regular gas stations in California?
Yes. Costco gas in California is typically 15–30¢ per gallon cheaper than branded stations. California has relatively high state gas taxes (~86¢/gal), which affects all stations equally — the Costco discount still applies on top of that base.
Do you need a membership for Costco gas in California?
Yes. A valid Costco Membership ($65–$130/year) is required to purchase fuel at any Costco location, including those in California.
Why is gas more expensive in California than the national average?
California gas prices are currently near the national average of $—. State gas tax is approximately 86¢/gal.