Costco Wholesale (COST) Tax Rate %: 25.39% (As of May. 2026)


COST Costco Wholesale Corp COST
96 GF Score
Price $951.67
GF Value $1,017.96
Valuation Fairly Valued
! 1 Warning Sign
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What is Costco Wholesale Tax Rate %?

Costco Wholesale COST +2.92% 96 Tax Rate % is 25.39% as of May. 2026. GuruFocus rates COST with a GF Score™ of 96/100 and a GF Value™ of $1,017.96 (Fairly Valued). The stock has 1 warning sign investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Costco Wholesale's Tax Expense for the three months ended in May. 2026 was $746 Mil. Costco Wholesale's Pre-Tax Income for the three months ended in May. 2026 was $2,938 Mil. Therefore, Costco Wholesale's Tax Rate % for the quarter that ended in May. 2026 was 25.39%.

Costco Wholesale Tax Rate % Related Terms

Costco Wholesale Tax Rate % Historical Data

* Premium members only.

The historical data trend for Costco Wholesale's Tax Rate % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Costco Wholesale Tax Rate % Chart

Costco Wholesale Annual Data
Trend Aug16 Aug17 Aug18 Aug19 Aug20 Aug21 Aug22 Aug23 Aug24 Aug25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 23.97 24.55 25.86 24.36 25.13

Costco Wholesale Quarterly Data
Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26 May26
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 26.24 25.64 22.53 25.21 25.39
COST
96GF Score
Costco Wholesale Corp COST
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Costco Wholesale Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Costco Wholesale's Tax Rate % for the fiscal year that ended in Aug. 2025 is calculated as

Tax Rate %=Tax Expense (A: Aug. 2025 )/Pre-Tax Income (A: Aug. 2025 )
=2719/10818
=25.13 %

Costco Wholesale's Tax Rate % for the quarter that ended in May. 2026 is calculated as

Tax Rate %=Tax Expense (Q: May. 2026 )/Pre-Tax Income (Q: May. 2026 )
=746/2938
=25.39 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 25.39% mean?
Costco Wholesale (COST) has a Tax Rate % of 25.39% as of May. 2026.
Is Costco Wholesale's Tax Rate % too high?
Costco Wholesale's current Tax Rate % is 25.39%. Overall, Costco Wholesale has a GF Score™ of 96/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Costco Wholesale's Tax Rate % compare to TGT and DG?
Costco Wholesale's Tax Rate % of 25.39% can be compared against companies in the Retail - Defensive industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Retail - Defensive company?
A good Tax Rate % depends on the Retail - Defensive industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Costco Wholesale's current Tax Rate % is 25.39%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costco Wholesale stock overvalued right now?
Based on GuruFocus' analysis, Costco Wholesale (COST) is currently considered Fairly Valued. The stock's GF Value™ is $1,017.96, compared to a current price of $951.67 — trading 6.5% below its estimated fair value. The current Tax Rate % is 25.39%. Costco Wholesale's overall GF Score™ is 96/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For Costco Wholesale (COST), the current Tax Rate % is 25.39% as of May. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Costco Wholesale (COST) Overvalued in 2026?

Based on GuruFocus' analysis, Costco Wholesale stock appears to be undervalued. The current stock price of $951.67 is trading 6.5% below its estimated GF Value™ of $1,017.96. GuruFocus considers Costco Wholesale to be Fairly Valued.

Key valuation signals for COST:

  • Tax Rate %: 25.39%
  • GF Value™: $1,017.96 vs. price of $951.67 (6.5% below fair value)
  • GF Score™: 96/100 with 1 warning sign

No single metric tells the full story. See the COST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Costco Wholesale Business Description

Address 999 Lake Drive, Issaquah, WA, USA, 98027
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
96GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$951.67
Price
$1,017.96
GF Value