⛽ Costco Gas Prices in Maryland
Estimated today · Based on Maryland AAA avg · Source: AAA + historical Costco savings data
Maryland 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 Maryland AAA average minus Costco's typical 15–30¢/gal savings. Actual prices vary by location.
Maryland Gas Tax Context
Maryland's state gas tax is approximately 43¢ per gallon — above the national average. 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 Maryland, the absolute price at the pump is higher, but the relative savings from a Costco membership remain the same.
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~8 Costco locations in Maryland
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 Maryland — FAQs
How much is gas at Costco in Maryland today?
Based on today's Maryland average of current local prices, Costco in Maryland 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 Maryland?
Yes. Costco gas in Maryland is typically 15–30¢ per gallon cheaper than branded stations. Maryland has relatively high state gas taxes (~43¢/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 Maryland?
Yes. A valid Costco Membership ($65–$130/year) is required to purchase fuel at any Costco location, including those in Maryland.
Why is gas more expensive in Maryland than the national average?
Maryland gas prices are currently near the national average of $—. State gas tax is approximately 43¢/gal.