H
|
B
|
Costco Corporate Office Headquarters, Address & Phone Number

Costco Corporate Office Headquarters, Address & Phone Number

Costco corporate office information is often searched by members, vendors, employees, investors, and customers who need the Costco headquarters address, Costco corporate office phone number, Costco head office, complaint routes, membership support, order help, or escalation information. Costco Wholesale Corporation is headquartered in Issaquah, Washington, and operates membership warehouse clubs, Costco.com, Costco Business Centers, Costco Travel, pharmacy services, tire centers, optical departments, hearing aid centers, and related member services.

Costco Corporate Office and Headquarters Contact Information

Company: Costco Wholesale Corporation
Costco Corporate Office / Headquarters Address: 999 Lake Drive, Issaquah, WA 98027, USA
Costco Corporate Office Mailing Address: Costco Wholesale, P.O. Box 34331, Seattle, WA 98124, USA

Costco Corporate Office Phone Number: 1-425-313-8100
Corporate Office Hours: Monday through Friday, 8 a.m. to 5 p.m. PT
Costco.com Online Orders: 1-800-955-2292
Membership and Warehouse Support: 1-800-774-2678 / 1-800-774-COSTCO
Costco Business Center Orders: 1-800-788-9968
Costco Technical & Warranty Services: 1-866-861-0450
Costco Mail Order Pharmacy: 1-800-607-6861
Costco Travel: 1-877-849-2730
Stock Symbol: COST on Nasdaq
Official Website: Costco.com
Official Customer Service Page: Costco Contact Us
Investor Relations: Costco Investor Relations

Important: The Costco corporate office phone number is not the same as the main Costco customer service number. For membership, warehouse, Costco.com, pharmacy, travel, business center, warranty, delivery, or order issues, use the correct support route first.

Costco corporate office headquarters in Issaquah Washington — Costco corporate office headquarters address and phone number information for Issaquah, Washington

Costco Headquarters and Corporate Address Update

Costco Wholesale Corporation’s headquarters and main corporate office are located at 999 Lake Drive in Issaquah, Washington. Costco also provides a corporate mailing address at P.O. Box 34331, Seattle, WA 98124. The Costco Issaquah headquarters is the company’s main office for corporate administration, investor relations, executive leadership, and company-level operations.

For store, warehouse, membership, order, pharmacy, travel, and delivery issues, customers should usually contact the correct Costco support department before contacting Costco corporate headquarters.

Choose the Correct Costco Support Route

For Membership and Warehouse Support

Call 1-800-774-2678 for Costco membership and warehouse support. This is the best first route for membership renewal, Executive Membership, warehouse concerns, membership account questions, and general member service.

For Costco.com Online Orders

Call 1-800-955-2292 for Costco.com orders, online order status, shipping, delivery by Costco Logistics, returns, replacements, cancellations, and online account questions.

For a Local Warehouse Department

Use Costco’s warehouse locator to find the specific warehouse and call that location directly. This is the better route for tire centers, pharmacy departments, optical departments, hearing aid centers, warehouse inventory questions, lost items, local service concerns, and store-specific management issues.

For Costco Business Center Orders

Call 1-800-788-9968 for Costco Business Center order questions, business delivery issues, and business-related order support.

For Technical and Warranty Services

Call 1-866-861-0450 for Costco Technical & Warranty Services. Use this route for electronics, appliances, computers, televisions, extended warranty questions, and technical support.

For Costco Mail Order Pharmacy

Call 1-800-607-6861 for Costco Mail Order Pharmacy questions. For urgent medication, health, prescription, or safety concerns, contact your pharmacist, healthcare provider, or emergency services as appropriate.

For Costco Travel

Call 1-877-849-2730 for Costco Travel reservations, vacation packages, hotels, rental cars, cruises, and travel-related support.

For Vendor, Supplier, Investor, and Corporate Matters

Use Costco’s corporate office phone number at 1-425-313-8100 or the appropriate Costco corporate, investor relations, vendor, supplier, real estate, or business contact route. Costco headquarters is best reserved for company-level matters rather than routine customer service issues.

What to Have Before Contacting Costco Corporate Office

Before contacting Costco corporate office, a warehouse manager, member services, Costco.com support, or a complaint route, gather:

Your Costco membership number
Warehouse location, city, and state involved
Date and time of the visit, purchase, delivery, or support call
Receipt, order number, item number, tracking number, or delivery confirmation

Photos of damaged items, parking lot damage, delivery issues, or product concerns when relevant
Names or descriptions of employees, managers, delivery teams, or departments involved
Warranty documents, manufacturer information, or Costco Technical & Warranty Services case numbers

A short timeline of what happened and the resolution you are requesting

How to Escalate a Costco Complaint

Start with the Costco warehouse, department, or service area tied to the problem. For local warehouse issues, ask for the department manager or warehouse manager. For membership issues, call 1-800-774-2678. For Costco.com order problems, call 1-800-955-2292. For travel, pharmacy, technical support, or business center issues, use the correct specialized phone number.

If the matter remains unresolved, document your complaint in writing and include membership number, warehouse location, dates, receipts, photos, case numbers, and a clear requested resolution. For company-level matters, customers may contact Costco corporate office at 1-425-313-8100 or write to Costco Wholesale, P.O. Box 34331, Seattle, WA 98124.

Common Reasons Customers Contact Costco Corporate Office

Members and customers search for the Costco headquarters, Costco corporate office, Costco head office, Costco Wholesale corporate office, or Costco corporate headquarters for issues such as:

Unresolved membership complaints
Warehouse manager escalation issues
Costco.com order, shipping, delivery, or cancellation problems
Return, replacement, refund, or price adjustment questions
Product quality concerns or item availability complaints
Parking lot incidents, property damage, or safety concerns
Costco Travel reservation or refund problems
Technical support, appliance, electronics, or warranty claims
Pharmacy, optical, hearing aid, tire center, or fuel station concerns
Vendor, supplier, investor, real estate, or corporate inquiries

Issue-Specific Costco Complaint Guidance

Membership and Renewal Complaints

For membership billing, renewal, Executive Membership, digital membership cards, account updates, and warehouse membership issues, call 1-800-774-2678 or speak with a membership desk employee at your local warehouse.

Costco.com Order or Delivery Complaints

For missing orders, delayed shipments, damaged deliveries, returns, replacements, order cancellations, or Costco Logistics issues, call 1-800-955-2292. Keep your order number, tracking details, delivery photos, and return authorization information ready.

Warehouse or Store-Level Complaints

For local issues involving employees, checkout, returns, parking lots, food court, tire center, pharmacy, optical, gas station, or product availability, contact the warehouse directly and ask for the department manager or warehouse manager. If unresolved, escalate to Costco Member Services or corporate office.

Technical, Warranty, Appliance, and Electronics Problems

For appliance, electronics, computer, television, warranty, or product-support questions, call Costco Technical & Warranty Services at 1-866-861-0450. Save product model numbers, serial numbers, receipts, delivery records, and manufacturer correspondence.

Travel Complaints

For Costco Travel issues involving vacation packages, cruises, rental cars, hotels, or cancellations, call 1-877-849-2730. Keep reservation numbers, travel dates, confirmation emails, cancellation terms, and payment records.

Pharmacy and Health-Related Concerns

For Costco Mail Order Pharmacy questions, call 1-800-607-6861. For pharmacy concerns at a local warehouse, contact that pharmacy directly. For urgent medical issues, do not rely on corporate office contact information; contact your healthcare provider or emergency services.

Scam and Fake Costco Support Number Warning

Be careful when searching online for a Costco corporate phone number, Costco complaint line, Costco membership refund number, Costco travel support number, or Costco warranty number. Large retailers are often used in phishing emails, fake refund texts, delivery scams, membership renewal scams, and spoofed customer service calls.

Use Costco.com, Costco’s official customer service pages, the Costco app, your local warehouse phone number, or the phone number printed on official Costco documents before sharing membership, payment, order, or pharmacy information. Do not share passwords, one-time codes, gift card numbers, bank information, remote computer access, or credit card details with anyone who contacts you unexpectedly.

Costco Reviews and Complaints

Current CorporateOfficeHeadquarters.com reader comments include individual experiences involving parking lot damage, store-level follow-up, third-party claims handling, product availability, food court or take-and-bake item requests, and comments about Costco company policies. Some readers also share positive comments about Costco’s service, value, and company decisions.

These reviews reflect individual customer experiences and should not be treated as universal facts about every Costco warehouse, employee, department, or corporate response. If you have contacted Costco corporate office, a warehouse manager, Member Services, Costco.com support, Costco Travel, Technical & Warranty Services, or another Costco complaint route, you can share your experience below.

About Costco

Costco Wholesale Corporation operates membership warehouse clubs that sell groceries, household goods, electronics, furniture, clothing, appliances, fuel, pharmacy services, optical services, hearing aid services, travel, business services, and the Kirkland Signature private label. Costco was founded in 1983 and is known for warehouse-style shopping, membership pricing, bulk products, and a limited-selection merchandising model.

Competitors and Related Corporate Office Pages

Costco competes with warehouse clubs, big-box retailers, grocery chains, and online retailers. Members comparing corporate office contacts and complaint routes may also want to review the corporate office pages for Sam’s Club, BJ’s Wholesale Club, Walmart, Target, Kroger, and Amazon.

Related Resources

Frequently Asked Questions About Costco Corporate Office

Where is Costco headquarters located?

Costco headquarters is located at 999 Lake Drive, Issaquah, WA 98027.

What is the Costco corporate office phone number?

The Costco corporate office phone number is 1-425-313-8100. Costco lists corporate office phone availability Monday through Friday, 8 a.m. to 5 p.m. PT.

What is the Costco headquarters address?

The Costco headquarters address is 999 Lake Drive, Issaquah, WA 98027. Costco also provides a corporate mailing address at Costco Wholesale, P.O. Box 34331, Seattle, WA 98124.

What is the Costco customer service phone number?

For Membership and Warehouse support, call 1-800-774-2678. For Costco.com online orders, call 1-800-955-2292.

How do I contact Costco about an online order?

Call Costco.com support at 1-800-955-2292 or use Costco’s official customer service tools for order status, returns, replacements, and cancellations.

How do I contact a specific Costco warehouse?

Use Costco’s warehouse locator to find the warehouse phone number and contact the correct department, such as membership, tire center, pharmacy, optical, hearing aid, food court, or warehouse administration.

How do I escalate a Costco complaint?

Start with the department or warehouse involved. If unresolved, contact Member Services, Costco.com support, or the specialized support line for the issue. For company-level matters, contact Costco corporate office at 1-425-313-8100 or write to Costco Wholesale, P.O. Box 34331, Seattle, WA 98124.

What is Costco’s stock symbol?

Costco Wholesale Corporation trades under the stock symbol COST on Nasdaq.

Is CorporateOfficeHeadquarters.com affiliated with Costco?

No. CorporateOfficeHeadquarters.com is not affiliated with Costco Wholesale Corporation. This page is for corporate office information, reviews, complaints, and consumer research.

Why Trust CorporateOfficeHeadquarters.com?

CorporateOfficeHeadquarters.com provides corporate office information, headquarters details, phone numbers, complaint guidance, and reader review space for major companies and brands. We update pages when corporate addresses, phone numbers, support routes, ownership, official links, or complaint information changes.

Page Update Note

This page was updated on June 28, 2026 to reflect Costco’s verified Issaquah headquarters address, corporate office phone number, official Costco.com and membership support routes, current Costco service department phone numbers, scam warnings, and current COH review themes.

Disclaimer

CorporateOfficeHeadquarters.com is not affiliated with Costco Wholesale Corporation. This page is for informational, review, and complaint purposes only. For membership, order, pharmacy, travel, warranty, legal, investor, medical, or safety-related matters, verify information directly with Costco or the appropriate official support route.

Share Your Experience

If you have contacted Costco corporate office, Costco headquarters, a warehouse manager, Member Services, Costco.com support, Costco Travel, Technical & Warranty Services, or another Costco complaint route, please share your experience below. Your review may help other readers understand which contact method worked and what documentation was needed.

Share0

Tweet0

Share0

Costco Unresolved Disappointing Parking Issue

May 19, 2025

Costco, this is not how you treat your members! On April 27th at around 11:00 AM, I visited your store and parked my two-month-old leased truck. When I returned around noon, I found a shopping cart had rolled into and damaged my vehicle. The cart was still there next to my truck. At the time, no employees were collecting carts in the lot, and the designated cart corral had been repurposed as a plant and flower display. When I reported the incident at the customer service desk, I completed paperwork and was told someone would contact me in a few days. After four days with no follow-up, I called and was told it might take up to a week. Eventually, I was contacted—not by Costco, but by Gallagher Bassett, a third-party risk management company. Unfortunately, Gallagher Bassett informed me that Costco was not liable. This is troubling, considering: The carts were not secured or properly managed. Costco staff were not actively collecting carts. The area designed to prevent this exact issue was being used for merchandise display. When I escalated the matter by contacting Costco’s home office, I was redirected to the Northeast Administration Office. I left several messages and finally received a call back, during which I was told someone would speak to a supervisor. That was over a week and a half ago. No update since. What’s even more telling is that after I filed my report, Costco suddenly deployed multiple employees outside to collect and secure carts—proving that they recognized the issue but only acted after damage had already occurred. This isn’t just about the dent (under $500 in damage). It’s about accountability, communication, and customer respect. The security footage clearly shows what happened, and yet I’ve been dismissed and passed around. I expect better from a company that prides itself on member service.

C J T

Response from Corporate Office Headquarters

✅ How to Resolve the Issue: Step-by-Step Guide. File a Formal Written Complaint with Costco Corporate: Email: [email protected]

Include:The incident details (date, time, location). Photos of the damage. Any documentation or case number. A brief timeline of your communication attempts. That you have security footage available. Your request for reimbursement (e.g., $500 or repair coverage) Escalate Through Costco’s Executive Team: Mail or email a letter addressed to: Craig Jelinek, CEO – Costco Wholesale Costco HQ: 999 Lake Drive, Issaquah, WA 98027 📞 (425) 313-8100. File a Complaint with the Better Business Bureau (BBB):

Go to: https://www.bbb.org/

Submit a formal complaint about how the incident was handled and that Gallagher Bassett is used to deflect accountability. Contact Your Leasing Company: Let them know Costco is refusing to resolve the damage caused by their negligence. They may be able to pursue recovery or support your claim

Leave Public Reviews (Optional but Effective): Leave an honest, calm review on: Google Reviews. Yelp. Costco’s own Facebook page or other social media. Consider Small Claims Court (If All Else Fails): If you have documentation, photos, and proof that Costco acknowledged the issue, small claims court is an option. Filing is typically low cost and doesn’t require a lawyer

Costco Kapolei HI Bring Back Freshly Made Square Pizza

May 18, 2025

Costco, we really enjoy your large, freshly made square pizza that we take home and bake. However, the Kapolei, HI location hasn’t been preparing them consistently lately. It’s been about two weeks since we were last able to get one. Can you please explain why the availability has been so sporadic? We hope the Kapolei store isn’t discontinuing them. Please let us know! Why has the take-and-bake square pizza been inconsistently available at the Kapolei, Hawaii location, and is there any plan to stop offering them?

T L C

Costco Policies

March 3, 2025

Costco, Thank you for keeping your diversity, equity and inclusion policies. I will continue to support and shop at Costco even more. You obviously have been a very successful company with these policies. Diversity not sameness has always worked.

Costco Excellent

February 26, 2025

Costco, Way to go Costco! I have never been to Costco before but I plan to shop their more now that they have stood by their diversity, equity and inclusion. and support for people🩷

B W

Costco Kirkland Beef Lasagna Request

February 9, 2025

Costco, Kirkland Beef Lasagna. This lasagna is so absolutely delicious that I can honestly say that I stopped making my own once I discovered it. I enjoyed it (past tense) for years. I say “past tense” as Costco no longer offers the Beef Lasagna but still does sell the Beef and Sausage Lasagna. However, whenever I check my PC and e-mail , often there is an article about the “Best Frozen Foods to Buy at Costco” and the Beef Lasagna Is Always in the #1 slot. I will then go to Costco only to be disappointed once again that it is no longer available. I am truly a disappointed Costco shopper because of this.

W H