Is Costco Wholesale a Legit Site?

Wondering is Costco Wholesale a legit site? HasTrust gives Costco a trust score of 90/100 (Trusted), reflecting its long-standing reputation, bulk value, and generous return policy. Some shoppers report frustrations with customer service and online order fulfillment, and a paid membership is required, so it suits bulk buyers best.

costco.com
98
Trusted🛒 ShopBuy
🔗https://costco.com
Why this score?
Base reputation90
Among the most-visited sites (rank #2796)+8
Trust score98

Costco is a legitimate, highly established, and safe retailer. While it is widely trusted for its bulk value, generous return policy, and long-standing reputation, some customers report frustrations with customer service and online order fulfillment. It is a reliable choice for bulk shoppers, though the requirement of a paid membership and bulk-sized items may not suit everyone.

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Costco Wholesale product imageCostco Wholesale product imageCostco Wholesale product imageCostco Wholesale product image

Video reviews

Pros

  • Industry-leading, generous return policy with no time limit on most items
  • Highly competitive pricing and value, particularly on bulk items, gas, and pharmacy services
  • Trusted, established Fortune 500 retailer with a long operating history
  • Membership is fully refundable if you are unsatisfied

Cons

  • Requires a paid annual membership to shop
  • Customer service can be difficult to reach or unhelpful for online issues
  • Bulk sizing is not suitable for all households or small living spaces
  • Online inventory is more limited compared to major e-commerce marketplaces
  • Reports of inconsistent delivery and product quality issues with some online orders

⚠ Red flags

  • Recent 2025 lawsuits allege web-tracking on pharmacy pages shared data with third parties
  • Mixed feedback regarding customer service responsiveness and warehouse staff conduct
  • Occasional reports of online order cancellations or delivery issues

Safety signals

Clear contact information
Stated return policy
Secure payment options
Established business

Facts

Domain registered 1997-03 · 29 years old
Connection Valid HTTPS certificate
Certificate valid until 2026-09-06 (75 days) · DigiCert Inc
Founded year: 1982/1983
Membership renewal rate: ~93% (U.S./Canada)
Return policy: Unlimited on most items; 90 days on electronics and major appliances

Better options

💡 Smarter pick
Amazon

Why switch: Offers a wider online selection and does not require a paid membership for all purchases, though it is a different shopping model.

W
Walmart

Another large general retailer that serves as a common alternative for everyday shopping needs.

HasTrust summarizes public web sources and can be wrong or out of date. Not a guarantee of safety or quality — always verify before you buy or pay.

🛡️ Site safety check

Domain registered 29+ years ago
Valid HTTPS encryption (certificate by DigiCert Inc)
On the public web since 1998 (Internet Archive)
Among the ~1M most-visited sites on the web (Majestic Million #2796)

What you should do

  • Still pay with a method that has buyer protection (credit card or PayPal), never a bank transfer.
  • Check the returns policy and delivery time before ordering.
  • We keep tracking this site — check back here if anything feels off later.
Compare Costco Wholesale with 2 alternatives →
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Checked 48 days ago. · How we score →

Frequently asked

Is Costco Wholesale legit?

Trusted. HasTrust trust score: 98/100. Costco is a legitimate, highly established, and safe retailer. While it is widely trusted for its bulk value, generous return policy, and long-standing reputation, some customers report frustrations with customer service and online order fulfillment. It is a reliable choice for bulk shoppers, though the requirement of a paid membership and bulk-sized items may not suit everyone.

Is Costco Wholesale a scam?

Possible concerns from our check: Recent 2025 lawsuits allege web-tracking on pharmacy pages shared data with third parties; Mixed feedback regarding customer service responsiveness and warehouse staff conduct; Occasional reports of online order cancellations or delivery issues

What is the Costco Wholesale trust score?

HasTrust rates Costco Wholesale 98/100 (Trusted). Buy

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