Is Costco.com Legit?
HasTrust rates costco.com Trusted (84/100), checked 2026-06-23: Highly established, legitimate multinational corporation; Competitive pricing and high-quality private label (Kirkland Signature) goods; Safe, secure website infrastructure.
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 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.
What we measured
- ✓Domain registered 29+ years ago
- ✓On the public web since 1998 (Internet Archive)
- ✓Valid HTTPS encryption (certificate by DigiCert Inc)
Why this score?
✓ 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
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
💬 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
- 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 | 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 | #2842 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 | 6 recorded points since 2026-06-23, 90 → 84 | HasTrust score model |
Buyer reports
No buyer reports yet — bought from here? Be the first to share.
Comments are screened before they appear. The count updates immediately.
Something wrong on this page? Tell us
Own this site, or spotted an error? A person reviews every report and corrects the page when a fact is wrong.
Checked 110 days ago. · How we score →
Frequently asked
Is costco.com legit?⌄
Trusted. HasTrust trust score: 84/100. 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 84/100 (Trusted). Buy
🔔 Email me if this shop's trust rating changes
Free. You confirm by email (double opt-in); unsubscribe any time.
📖 Helpful guides
Checks about costco.com
Show your live HasTrust score on your own site — it links back here so visitors can see the full check. How it works ↗
Same badge, added by a small script. Use this one if you want your HasTrust dashboard to show which of your pages the badge is actually seen on. It never reads your customers' data — only the page path, without the query string.
📬 Get new scams in your inbox — weekly
One short email every Monday: the scam shops and risky sites we spotted that week. No spam, one-click unsubscribe.
Double opt-in — we only mail you after you confirm.