• Builders FirstSource average gross margin for 2023 was 34.98%, a 3.95% decline from 2022.
• Builders FirstSource average gross margin for 2022 was 33.65%, a 19.07% increase from 2021.
• Builders FirstSource average gross margin for 2021 was 28.26%, a 8.11% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.