Costco Issaquah headquarters anchors this directory profile for Costco Wholesale Corporation, a major U.S. consumer retail enterprise widely followed in markets, policy, and media. The summary is for orientation only—customers, patients, and investors should rely on official websites, prospectuses, and regulated disclosures.
About this organization
Costco Wholesale Corporation files periodic reports with the SEC (ticker COST) when publicly traded, describing strategy, risks, and financial condition. Operating subsidiaries, brands, and segments can differ materially from the parent name shown here.
Professional Business Directory does not provide investment, tax, legal, or medical advice. Advertisers in adjacent categories (banking, insurance, software, health) may bid aggressively on these topics—readers should still verify every material fact independently.
Lines of business (overview)
High-level themes from public materials; actual products and eligibility vary by jurisdiction and segment.
- Merchandising, e-commerce, and supply chain operations
- Private brands and vendor partnerships
- Real estate, logistics, and workforce programs
- Customer loyalty and financial services attachments if any
- Sustainability and community disclosures
- SEC reporting and earnings for public companies
Sources cited for this profile
Desk review using authoritative public references (April 2026). Not exhaustive due diligence.
- Costco Wholesale Corporation — official investor relations and corporate website
- U.S. Securities and Exchange Commission — EDGAR filings (COST) (10-K, 10-Q, 8-K)
- Fortune / Fortune 500 editorial coverage and methodology (industry context)
- Federal Reserve / OCC / FDIC — regulatory framework for large U.S. financial institutions (where applicable)
- U.S. Census / BEA — national economic context for major employers (high-level)
Profile verification
Last desk review: April 2026. Method: corporate IR pages, SEC index, and general regulatory context—not an on-site headquarters audit. Headquarters moves and phone trees change; confirm before travel or material decisions.
Location & contact
- Address: 999 Lake Drive, Issaquah, Washington 98027, United States
- Phone: +1 425-313-8100
- Website: www.costco.com
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Using this information
- Investing: Not a recommendation; read prospectuses and risk factors.
- Health: Not medical advice; emergencies → 911 (U.S.).
- Banking: Not FDIC endorsement; refer to official deposit insurance statements.
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