Costco Wholesale Corporation 401k login & plan

Costco Wholesale Corporation is an American multinational retail company, founded in 1983, that operates as a leading warehouse club offering quality brand-name merchandise at low prices. As of 2023, Costco operates over 830 stores worldwide, including more than 580 locations in the United States, and provides a comprehensive benefits package to its employees. The company sponsors the COSTCO 401K RETIREMENT PLAN, a defined contribution plan administered by T. Rowe Price, which in 2024 had over 184,379 employee participants. Eligible employees, who are at least 18 years old and have completed 90 days of service, can participate in the 401(k) plan and contribute up to 50% of their pay per period, subject to IRS annual limits. Costco provides an employer match, contributing 50% on employee contributions up to the first 6% of pay, with additional discretionary and profit-sharing contributions available for eligible employees. The plan features automatic enrollment for eligible employees and includes a graded vesting schedule for employer-matched and discretionary contributions based on years of service.

Login in Costco Wholesale Corporation's 401k account online via T. Rowe Price website.

Costco Wholesale Corporation's 401k plan is called COSTCO 401K RETIREMENT PLAN, which you can use when making inquiries.

EIN stands for Employer Identification Number (also called taxpayer identification number). Costco Wholesale Corporation EIN is 91-1223280.

To contact Costco Wholesale Corporation regarding their 401k plan via phone,  please call 425-313-8100.

To contact Costco Wholesale Corporation regarding their 401k plan via mail,  the address is 999 LAKE DRIVE, ISSAQUAH, WA, 98027