• CoStar average net profit margin for 2023 was 16.28%, a 0.18% decline from 2022.
• CoStar average net profit margin for 2022 was 16.31%, a 21.26% decline from 2021.
• CoStar average net profit margin for 2021 was 13.45%, a 18.44% increase from 2020.

Net profit margin can be defined as net Income as a portion of total sales revenue.