Costco Wholesale (COST) Tax Rate (2009 - 2026)
Costco Wholesale (COST) posted Tax Rate of 25.39% for fiscal Q3 2026 (quarter ended May 10, 2026), down 0.85 percentage points from 26.24% a year earlier but up 0.18 percentage points from the prior quarter.
Costco Wholesale (COST) Tax Rate (2009 - 2026) Analysis & Trends
For the trailing twelve months through May 10, 2026, Tax Rate at Costco Wholesale was 24.80%, up 0.06 percentage points year-over-year; for FY2025 (ended Aug 31, 2025), it was 25.13%, up 0.77 percentage points from FY2024.
- Annual Tax Rate shows a five-year change of +0.76 percentage points (FY2020 to FY2025).
- In prior fiscal years, Costco Wholesale's Tax Rate was 24.36% in FY2024 (-1.50 pp), 25.86% in FY2023 (+1.31 pp), 24.55% in FY2022 (+0.59 pp) and 23.97% in FY2021 (-0.40 pp).
- Quarterly Tax Rate has run from a low of 20.70% in fiscal Q1 2022 to a high of 27.10% in fiscal Q4 2023 over five years.
- On a year-over-year basis, Tax Rate increased in three of the last eight quarters, with an average year-over-year change of -0.17 percentage points.
- The strongest year-over-year quarter for Tax Rate in the past five years was fiscal Q2 2025, with a gain of 4.09 percentage points; the weakest was fiscal Q2 2024, with a drop of 3.99 percentage points.
- According to Business Quant data, Tax Rate for the three prior fiscal quarters was 25.21% (Q2 2026), 22.53% (Q1 2026) and 25.64% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Walmart | 824.47 Bn | 787.18 Bn | 49.13 Bn | 18.51% |
| 2 | Costco Wholesale | 403.75 Bn | 333.05 Bn | 9.01 Bn | 25.39% |
| 3 | Sysco | 37.36 Bn | 31.61 Bn | 4.13 Bn | 23.47% |
| 4 | Kroger | 34.63 Bn | 20.79 Bn | 7.86 Bn | 23.57% |
| 5 | Dollar General | 26.38 Bn | 21.06 Bn | 3.68 Bn | 24.23% |
| 6 | Caseys General Stores | 22.49 Bn | 20.48 Bn | 1.24 Bn | 21.12% |
| 7 | Dollar Tree | 21.40 Bn | 18.02 Bn | 2.10 Bn | 25.04% |
| 8 | US Foods Holding | 19.94 Bn | 19.74 Bn | 1.92 Bn | 25.47% |
| 9 | Tractor Supply | 16.33 Bn | 15.49 Bn | 1.68 Bn | 19.84% |
| 10 | Performance Food | 14.29 Bn | 14.07 Bn | 2.17 Bn | 26.79% |
Historic Data
| Date | Value |
|---|---|
| May 10, 2026 | 25.39% |
| Feb 15, 2026 | 25.21% |
| Nov 23, 2025 | 22.53% |
| Aug 31, 2025 | 25.64% |
| May 11, 2025 | 26.24% |
| Feb 16, 2025 | 26.18% |
| Nov 24, 2024 | 22.03% |
| Sep 1, 2024 | 24.38% |
| May 12, 2024 | 26.40% |
| Feb 18, 2024 | 22.08% |
| Nov 26, 2023 | 24.55% |
| Sep 3, 2023 | 27.10% |
| May 7, 2023 | 26.48% |
| Feb 12, 2023 | 26.07% |
| Nov 20, 2022 | 22.94% |
| Aug 28, 2022 | 25.36% |
| May 8, 2022 | 24.90% |
| Feb 13, 2022 | 26.71% |
| Nov 21, 2021 | 20.70% |
| Aug 29, 2021 | 26.06% |
Costco Wholesale Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=COST&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "COST", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=COST&period=max&api_key=YOUR_API_KEY");
const data = await res.json();