Is Costco.com Legit?
HasTrust rates costco.com Mixed (74/100), checked 2026-06-23: 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.
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.
What we measured
Why this score?
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.
Video reviews
Pros
- Highly established, legitimate multinational corporation
- 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
- 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
Better options
Why switch: Similar membership-based wholesale club model with comparable bulk savings and in-store/online shopping options.
Provides a wider selection of products and different membership benefits (Prime) if you are looking for non-bulk items or faster delivery options.
What web sources say (not checked by us)
Facts
Based on 8 sources
atoplegal.comgridinsoft.comscamminder.comCostco - Comprehensive Trust Assessment | ReviewService Review PlatformCostco Online Reviews | Read Customer Service Reviews of customerservice.costco.comCostco Wholesale | BBB Business Profile | Better Business BureauCostco | BBB Business Profile | Better Business BureauMember Privileges and Conditions | Costco💬 Ask about this shop
Answers come from what we checked about this site — the AI only picks the topic, it writes nothing.
🛡️ Site safety check
What you should do
- Use a payment method you can charge back (credit card or PayPal) — skip bank transfer or "friends & family".
- Place a small first order before trusting it with a big one.
- Search the shop's name plus "reviews" or "scam" for recent experiences before paying.
🔍 What we checked ourselves
Each row is a check HasTrust ran, and the day it ran.
| Check | What we found | How | When |
|---|---|---|---|
| HTTPS certificate | Certificate expired 2026-09-06 — not re-checked since | TLS handshake from our servers | before 2026-06-23 |
| Domain registration | 1997-03 (29 years old) | RDAP registry record | before 2026-06-23 |
| First seen on the web | 1998 | Internet Archive | before 2026-06-23 |
| Popularity rank | #2830 on Majestic Million | Majestic Million list | before 2026-06-23 |
| Contact & legal pages | returns page | Read from the site's own pages | |
| Blocklist | Not listed | HasTrust blocklist | |
| Trust score history | 3 recorded points since 2026-06-23, 90 → 74 | HasTrust score model |
Buyer reports
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Checked 98 days ago. · How we score →
Frequently asked
Is costco.com legit?⌄
Mixed. HasTrust trust score: 74/100. 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?⌄
Our check surfaced no major scam signals — still verify payment and seller details before you pay.
What is the costco.com trust score?⌄
HasTrust rates costco.com 74/100 (Mixed). Unsure
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📖 Helpful guides
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