Martin Marietta Materials (MLM) Tax Rate (2009 - 2026)

Martin Marietta Materials' Tax Rate history runs 18 years deep, the most recent figure standing at 32.48% for Q1 2026.

• Quarterly Tax Rate rose 1127.0% year-over-year to 32.48% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 22.12% (up 4371.0% YoY) and the FY2025 annual result came in at 21.04%, up 1803.0% from the prior year.
• Tax Rate was 32.48% for Q1 2026 at Martin Marietta Materials, up from 24.37% in the prior quarter.
• Across five years, Tax Rate topped out at 32.48% in Q1 2026 and bottomed at 308.82% in Q4 2023.
• A 5-year average of 7.8% and a median of 20.91% in 2023 frame the typical range for Tax Rate.
• Annual changes were most pronounced in 2023 — Tax Rate slumped 32840 bps — and 2025, when it surged 17902 bps.
• Martin Marietta Materials' Tax Rate stood at 19.58% in 2022, then tumbled by 1677 bps to 308.82% in 2023, then jumped by 50 bps to 154.64% in 2024, then surged by 116 bps to 24.37% in 2025, then surged by 33 bps to 32.48% in 2026.
• Business Quant data shows MLM's Tax Rate at 32.48% in Q1 2026, 24.37% in Q4 2025, and 19.78% in Q3 2025.