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 valuation outlook. The company appears to be undervalued, particularly when considering its strong performance metrics. Key ratios include a P/E ratio of 22, an EV to EBITDA of 17.03, and a PEG ratio of 0.28, all suggesting that the stock may be trading at a discount relative to its growth potential.
In comparison to its peers, Sterling's P/E ratio is lower than MasTec, Inc. at 57.22 and APi Group Corp. at 87.46, both of which are classified as very expensive. Additionally, its EV to EBITDA ratio is more favorable than that of MasTec, which stands at 20.31. The company's recent stock performance has significantly outpaced the S&P 500, with a year-to-date return of 128.23% compared to the index's 14.40%, reinforcing the notion that Sterling Infrastructure is positioned well within its sector.