Is Costco (official site) legit?
Yes. HasTrust rates Costco (official site) Trusted (84/100), checked 2026-10-31: Established, well-known retailer with a large physical warehouse network; Reviewers repeatedly praise low bulk prices on staples (toilet paper, eggs, gas); Some reviewers report Costco eventually resolving damage claims with a replacement or refund.
Is costco.com legit? → Trusted 84/100
Costco's official site is a legitimate retailer run by Costco Wholesale, which operates an international chain of membership warehouses. Its online customer service is widely criticised. Many shoppers praise the low bulk prices and the generous return policy. Reviews also report delivery delays, missed install windows, damaged packing, and support that is hard to reach or limited to an AI chat. A large share of the angry 'scam' reviews actually describe fake Costco-branded sites, so check the URL is costco.com before you pay.
What we measured
- ✓Domain registered 29+ years ago
- ✓On the public web since 1998 (Internet Archive)
- !HTTPS certificate expires in 10 days
Why this score?
✓ Pros
- Established, well-known retailer with a large physical warehouse network
- Reviewers repeatedly praise low bulk prices on staples (toilet paper, eggs, gas)
- Some reviewers report Costco eventually resolving damage claims with a replacement or refund
⚠ Cons
- Online customer service often described as slow, hard to reach, or AI-only live chat
- Frequent complaints about delivery delays, missed windows and third-party shippers
- Some reports of appliance installation and haul-away problems
- Complaints of damaged items from poor packing
- Reports of return disputes, e.g. repeat vacuum returns refused and a return-label fraud accusation
- Not all bulk deals actually save money, per a mixed review
- Low Trustpilot rating (1.7–1.8/5), driven largely by customer service and delivery complaints
- Reviewers report difficulty finding where or how to submit a complaint online
Why switch: Large, reputable US retailer offering groceries and household goods without a membership requirement.
Well-established US retailer for household staples and general merchandise, with no membership needed.
Broad selection including bulk household items, with widely used delivery and return processes.
What web sources say (not checked by us)
Third-party ratings
Facts
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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
- 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.
🔍 What we checked ourselves
Each row is a check HasTrust ran, and the day it ran.
| Check | What we found | How | When |
|---|---|---|---|
| HTTPS certificate | Valid — Certainly, expires 2026-11-11 | TLS handshake from our servers | |
| Domain registration | 1997-03 (29 years old) | RDAP registry record | |
| First seen on the web | 1998 | Internet Archive | |
| Popularity rank | #2908 on Majestic Million | Majestic Million list | before 2026-10-31 |
| Hosting | FASTLY - Fastly, Inc., US | IP and AS lookup | |
| Registrar | CSC Corporate Domains, Inc. | RDAP registry record | |
| DNS | akam.net | Nameserver records | |
| Contact & legal pages | returns page | Read from the site's own pages | |
| Blocklist | Not listed | HasTrust blocklist |
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Frequently asked
Is Costco (official site) legit?⌄
Trusted. HasTrust trust score: 84/100. Costco's official site is a legitimate retailer run by Costco Wholesale, which operates an international chain of membership warehouses. Its online customer service is widely criticised. Many shoppers praise the low bulk prices and the generous return policy. Reviews also report delivery delays, missed install windows, damaged packing, and support that is hard to reach or limited to an AI chat. A large share of the angry 'scam' reviews actually describe fake Costco-branded sites, so check the URL is costco.com before you pay.
Is Costco (official site) a scam?⌄
Our check surfaced no major scam signals — still verify payment and seller details before you pay.
What is the Costco (official site) trust score?⌄
HasTrust rates Costco (official site) 84/100 (Trusted). Buy
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