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Tetra Tech (TTEK) Tax Rate (2016 - 2025)

Tetra Tech (TTEK) has disclosed Tax Rate for 17 consecutive years, with 25.68% as the latest value for Q4 2025.

  • On a quarterly basis, Tax Rate fell 6924.0% to 25.68% in Q4 2025 year-over-year; TTM through Dec 2025 was 30.06%, a 122.0% decrease, with the full-year FY2025 number at 34.34%, up 628.0% from a year prior.
  • Tax Rate was 25.68% for Q4 2025 at Tetra Tech, down from 26.72% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 94.92% in Q4 2024 to a low of 5.52% in Q4 2021.
  • A 5-year average of 31.93% and a median of 26.99% in 2023 define the central range for Tax Rate.
  • Peak YoY movement for Tax Rate: surged 6879bps in 2024, then tumbled -6924bps in 2025.
  • Tetra Tech's Tax Rate stood at 5.52% in 2021, then skyrocketed by 570bps to 25.99% in 2022, then increased by 1bps to 26.13% in 2023, then skyrocketed by 263bps to 94.92% in 2024, then plummeted by -73bps to 25.68% in 2025.
  • Per Business Quant, the three most recent readings for TTEK's Tax Rate are 25.68% (Q4 2025), 26.72% (Q3 2025), and 27.32% (Q2 2025).