Costco
For Costco, AAA Daily Advantage Visa Signature® leads the current Madeen snapshot at about 5% in the warehouse clubs category. Compare the ranked table below, then read the coding caveats before checkout. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Catalog winner: AAA Daily Advantage Visa Signature® at 5%. Own cards in Madeen? iOS App for checkout picks from your wallet.
AAA Daily Advantage Visa Signature® is the catalog winner at Costco (5%). Huntington Voice Business is the runner-up at 4% if you already carry it. Warehouse clubs often code differently from normal grocery stores. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Which cards rank best for Costco?
| Card | Issuer | Effective rate | Annual fee |
|---|---|---|---|
| AAA Daily Advantage Visa Signature® | Comenity | 5% | $0 |
| Huntington Voice Business | Huntington | 4% | $0 |
| SAFE Cash Back+ Visa Signature® | Safe Credit Union | 3% | $0 |
| Robinhood Gold Card | Coastal Community Bank | 3% | $50 |
| Huntington Voice Rewards | Huntington | 3% | $0 |
| Bank of America® Customized Cash Rewards | Bank of America | 3% | $0 |
| Bank of America® Customized Cash Rewards for Students | Bank of America | 3% | $0 |
| Susan G. Komen® Customized Cash Rewards | Bank of America | 3% | $0 |
| Always Cash Visa® Signature Rewards | Hawaii State Federal Credit Union | 2.5% | $0 |
What is the best card for Costco?
Costco is usually best judged by the category it posts under rather than the store name alone. Madeen shows the spend-category-specific winners and the broader category guide in one place. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Which cards rank best for Costco?
AAA Daily Advantage Visa Signature® leads the current snapshot for Costco at about 5%. The table below orders the top matches by category-specific effective rate and popularity. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
What coding caveats matter for Costco?
Warehouse clubs often code differently from normal grocery stores. Membership dues usually do not earn the same rate as in-store purchases, and fuel or delivery can post under separate merchant codes. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
What is the safest fallback card?
When the merchant code is uncertain, a broad flat-rate or backup category card can be safer than chasing a narrow bonus that may not post the way you expect. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Where this merchant page points next
Frequently asked questions
What is the best credit card for Costco?
AAA Daily Advantage Visa Signature® leads at about 5% for Costco. The ranked table below compares category-specific effective rates for Costco; issuer terms still control caps, exclusions, and eligibility. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
How does Costco merchant coding affect rewards?
Warehouse clubs often code differently from normal grocery stores. Membership dues usually do not earn the same rate as in-store purchases, and fuel or delivery can post under separate merchant codes. At Costco, the posted merchant code matters more than the store name on your receipt.
Should I trust the store name or the merchant code?
Trust the merchant code and issuer terms first. The store name is a clue, but the posted code is what usually decides which category bonus applies at Costco. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Can I use the broader category guide instead of this Costco page?
Yes. The warehouse clubs category guide is the safer fallback when you want the general rule, while this page narrows the answer to cards most likely to win at Costco. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.
Issuer names, card product names, and related marks are trademarks of their respective owners. Madeen is not affiliated with, sponsored by, or endorsed by any card issuer. Madeen is an independent credit-card comparison and education service.
Madeen analysis. Data from catalog snapshot 2026-08-01. Last reviewed 2026-08-01. Reviewed by Madeen editorial review. Issuer pages control rewards, fees, benefits, and eligibility.