Is Costco.com Legit?

Wondering if costco.com is legit? HasTrust rates it 90/100 (Trusted): it's an established website run by a major Fortune 500 retailer, known for quality products and a generous return policy. Shop with confidence, though note the membership requirement and some reports of inconsistent online customer service and delivery.

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

Costco.com is a highly legitimate, safe, and established retail website operated by a major Fortune 500 company. While shoppers generally enjoy its high-quality products and generous return policy, some users report inconsistent experiences with online customer service and delivery. You can shop there with confidence, but be aware of the membership requirement and known reports regarding privacy and online support efficiency.

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Video reviews

Pros

  • Highly established, legitimate multinational corporation
  • Industry-leading, flexible return policy
  • Competitive pricing and high-quality private label (Kirkland Signature) goods
  • Safe, secure website infrastructure

Cons

  • Requires a paid membership to shop
  • Online customer service can be difficult to reach and inconsistent
  • Limited inventory compared to larger general marketplaces like Amazon
  • Specific reports of shipping issues and poor installation experiences for large appliances

⚠ Red flags

  • Some users report difficulty reaching customer service and resolving online order issues
  • Lawsuits in 2025 regarding web-tracking pixels on pharmacy pages and potential health data privacy concerns

Safety signals

Established business and long domain history
Stated, generous return policy
Secure payment and website infrastructure
Negative online customer service feedback

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
Company Type: Publicly traded (NASDAQ: COST), Fortune 500 company
Return Policy: Unlimited return policy on most items; 90-day window for electronics and major appliances

Better options

💡 Smarter pick
Sam's Club

Why switch: Similar membership-based wholesale club model with comparable bulk savings and in-store/online shopping options.

A
Amazon

Provides a wider selection of products and different membership benefits (Prime) if you are looking for non-bulk items or faster delivery options.

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.
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Checked 48 days ago. · How we score →

Frequently asked

Is costco.com legit?

Trusted. HasTrust trust score: 98/100. Costco.com is a highly legitimate, safe, and established retail website operated by a major Fortune 500 company. While shoppers generally enjoy its high-quality products and generous return policy, some users report inconsistent experiences with online customer service and delivery. You can shop there with confidence, but be aware of the membership requirement and known reports regarding privacy and online support efficiency.

Is costco.com a scam?

Possible concerns from our check: Some users report difficulty reaching customer service and resolving online order issues; Lawsuits in 2025 regarding web-tracking pixels on pharmacy pages and potential health data privacy concerns

What is the costco.com trust score?

HasTrust rates costco.com 98/100 (Trusted). Buy

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