# Costco wholesale Headquarters & Office Locations

Verified dataSuperstores341,000 employees7 offices worldwide

**Headquarters:** 999 Lake Drive, Issaquah, Washington 98027-8982, United States

Data last updated August 2026 · Sourced via GraphIQ

## Costco wholesale headquarters details

Street address  
999 Lake Drive

City  
Issaquah

State / region  
Washington

ZIP / postal code  
98027-8982

Country  
United States

Phone  
[425-313-8100](tel:425-313-8100)

Founded  
1983

Website  
[costco.com ↗](https://costco.com/)

## All Costco wholesale office locations

7 total

| City          | State / region | Country       | Type         |
|---------------|----------------|---------------|--------------|
| Issaquah HQ  | Washington     | United States | Headquarters  |

## About Costco wholesale

Costco wholesale (Nasdaq (NASDAQ): COST) is headquartered in Issaquah, Washington, United States. Founded in 1983, the company operates across 1 countries with approximately 341,000 employees worldwide.

### Where is Costco wholesale's main office?

Costco wholesale's main headquarters office is located at 999 Lake Drive, Issaquah, Washington 98027-8982. This serves as the company's primary corporate address and is home to its executive leadership team.

### Costco wholesale regional offices

Beyond its headquarters in Issaquah, Costco wholesale maintains 7 offices across 1 countries. Regional offices span 1 countries.

### Costco wholesale contact information

The main switchboard for Costco wholesale headquarters can be reached at **425-313-8100**.

### What does Costco wholesale do?

Costco Wholesale Corporation is a membership warehouse club The Company sells all kinds of food, automotive supplies, toys, hardware, sporting goods, jewelry, electronics, apparel, health, and beauty aids, as well as other goods. Costco Wholesale serves customers worldwide.