• CoStar average pre-tax profit margin for 2023 was 21.42%, a 1.65% decline from 2022.
• CoStar average pre-tax profit margin for 2022 was 21.78%, a 23.12% decline from 2021.
• CoStar average pre-tax profit margin for 2021 was 17.69%, a 18.78% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.