Casella Waste Systems (CWST) Tax Rate (2010 - 2025)
Casella Waste Systems' Tax Rate was -12.04% in Q2 2026, down 36.41 percentage points from 24.38% a year earlier and down 49.26 percentage points from the prior quarter.
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Analysis
Casella Waste Systems (CWST) Tax Rate (2010 - 2025) Analysis & Trends
On a trailing twelve-month basis, Casella Waste Systems' Tax Rate was 35.48% through Jun 30, 2026, up 9.68 percentage points year-over-year; for FY2025, it was 39.70%, up 4.01 percentage points from FY2024.
- Tax Rate has now increased for three consecutive years, with a five-year change of +177.56 percentage points (FY2020 to FY2025).
- In earlier years, Tax Rate was 35.69% in FY2024 (+4.25 pp), 31.44% in FY2023 (+2.24 pp), 29.20% in FY2022 (unchanged) and 29.19% in FY2021 (+167.06 pp).
- Quarterly Tax Rate has moved between -57.92% (Q4 2025) and 274.47% (Q4 2023) over five years.
- Compared with a year earlier, Tax Rate has declined for five straight quarters, with an average year-over-year change of -45.01 percentage points over the last eight quarters.
- The best year-over-year quarter for Tax Rate over five years was Q4 2021 (a gain of 599.76 percentage points); the worst was Q4 2024 (a drop of 259.85 percentage points).
- Per Business Quant data, CWST's Tax Rate in the three quarters before Q2 2026 was 37.23% (Q1 2026), -57.92% (Q4 2025) and 37.17% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Waste Management | 82.84 Bn | 81.75 Bn | 2.73 Bn | 23.24% |
| 2 | Republic Services | 64.88 Bn | 64.50 Bn | 1.87 Bn | 19.03% |
| 3 | Waste Connections | 39.22 Bn | 38.85 Bn | 1.08 Bn | 22.76% |
| 4 | Clean Harbors | 16.45 Bn | 13.46 Bn | 608.78 Mn | 26.56% |
| 5 | GFL Environmental | 15.66 Bn | 13.34 Bn | 385.80 Mn | - |
| 6 | Casella Waste Systems | 5.02 Bn | 4.14 Bn | 178.80 Mn | - |
| 7 | Onterris | 495.05 Mn | 454.32 Mn | 82.26 Mn | 20.21% |
| 8 | Perma Fix Environmental Services | 326.81 Mn | 218.37 Mn | -2.50 Mn | - |
| 9 | Deep Isolation Nuclear | 204.72 Mn | 204.72 Mn | 707,000.00 | - |
| 10 | Comstock | 179.25 Mn | 182.57 Mn | -896,073.00 | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | 37.17% |
| Jun 30, 2025 | 24.38% |
| Dec 31, 2024 | 14.62% |
| Sep 30, 2024 | 44.63% |
| Jun 30, 2024 | 35.12% |
| Dec 31, 2023 | 274.47% |
| Sep 30, 2023 | 24.88% |
| Jun 30, 2023 | 26.58% |
| Mar 31, 2023 | 18.23% |
| Dec 31, 2022 | 27.60% |
| Sep 30, 2022 | 28.73% |
| Jun 30, 2022 | 32.53% |
| Mar 31, 2022 | 18.61% |
| Dec 31, 2021 | 21.27% |
| Sep 30, 2021 | 29.39% |
| Jun 30, 2021 | 31.60% |
| Mar 31, 2021 | 36.07% |
| Sep 30, 2020 | 2.41% |
| Jun 30, 2020 | 2.86% |
| Mar 31, 2020 | 10.21% |
API Access
Casella Waste Systems 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=CWST&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "CWST", "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=CWST&period=max&api_key=YOUR_API_KEY");
const data = await res.json();