Is Sterling Infrastructure, Inc. overvalued or undervalued?

As of 7 November 2025, the valuation grade for Sterling Infrastructure, Inc. moved from fair to attractive, indicating a positive shift in its perceived value. The company appears to be undervalued, especially when considering its strong performance metrics such as a P/E ratio of 22, an EV to EBITDA of 17.03, and a PEG ratio of 0.28, which suggests growth potential relative to its price.
In comparison to peers, Sterling's P/E ratio is lower than that of MasTec, Inc. at 57.22 and APi Group Corp. at 87.46, both of which are considered expensive. Additionally, the company's return on equity (ROE) stands at an impressive 34.91%, further reinforcing its strong financial position. Notably, Sterling Infrastructure has outperformed the S&P 500 significantly over multiple periods, with a year-to-date return of 124.30% compared to the S&P 500's 14.40%, highlighting its strong market performance.