Has Recent Weakness In Builders FirstSource (BLDR) Opened A Valuation Opportunity?

  • If you are looking at Builders FirstSource and wondering whether the current price reflects fair value, you are not alone. This article walks through what the numbers may be implying.
  • The stock last closed at US$97.45, after returns of an 11.2% decline over 7 days, a 14.8% decline over 30 days, a 6.9% decline year to date, a 25.3% decline over 1 year, 13.1% over 3 years and 117.4% over 5 years.
  • Recent coverage has focused on how sentiment around housing and construction activity is affecting suppliers like Builders FirstSource, as investors weigh what changing conditions might mean for demand and margins. This backdrop helps frame why the share price has moved while the business itself continues to be assessed on long term fundamentals.
  • On our framework, the company currently scores 4 out of 6 on valuation checks, giving it a value score of 4. Next we will break that down across different valuation methods before finishing with a way to think about value that goes beyond the usual ratios.

Find out why Builders FirstSource's -25.3% return over the last year is lagging behind its peers.

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Approach 1: Builders FirstSource Discounted Cash Flow (DCF) Analysis

A Discounted Cash Flow model estimates what a business could be worth by projecting its future cash flows and then discounting those back to today’s value. It is essentially asking what all those future dollars are worth in today’s terms.

For Builders FirstSource, the model uses a 2 Stage Free Cash Flow to Equity approach based on cash flow projections. The latest twelve month free cash flow is about $835.4 million. Analysts provide explicit forecasts for several years, with projections such as $533.97 million in 2026 and $814.63 million in 2027, and Simply Wall St then extrapolates further out, including an estimated free cash flow of $1,111.41 million in 2035.

Pulling all those projected cash flows together and discounting them, the DCF model suggests an intrinsic value of about $119.34 per share. Compared with the recent share price of $97.45, this implies the stock is around 18.3% undervalued based on these assumptions.

Result: UNDERVALUED

Our Discounted Cash Flow (DCF) analysis suggests Builders FirstSource is undervalued by 18.3%. Track this in your watchlist or portfolio, or discover 49 more high quality undervalued stocks.

BLDR Discounted Cash Flow as at Mar 2026
BLDR Discounted Cash Flow as at Mar 2026

Head to the Valuation section of our Company Report for more details on how we arrive at this Fair Value for Builders FirstSource.

Approach 2: Builders FirstSource Price vs Earnings

For a profitable company like Builders FirstSource, the P/E ratio is a useful way to think about what you are paying for each dollar of current earnings. Investors usually accept a higher P/E when they expect stronger growth or see lower risk, and a lower P/E when they see more uncertainty or limited growth.

Builders FirstSource currently trades on a P/E of 24.77x. That sits close to the Building industry average P/E of 23.00x and below the peer group average of 44.39x. Simply Wall St also calculates a Fair Ratio of 37.17x, which reflects what the P/E might be given factors such as the company’s earnings growth profile, its industry, profit margins, market capitalisation and risk characteristics.

This Fair Ratio is more tailored than a simple peer or industry comparison because it adjusts for company specific traits, rather than assuming all businesses in the group deserve the same multiple. Comparing Builders FirstSource’s current P/E of 24.77x with the Fair Ratio of 37.17x suggests the shares are trading below that proprietary estimate of fair value based on earnings.

Result: UNDERVALUED

NYSE:BLDR P/E Ratio as at Mar 2026
NYSE:BLDR P/E Ratio as at Mar 2026

P/E ratios tell one story, but what if the real opportunity lies elsewhere? Start investing in legacies, not executives. Discover our 18 top founder-led companies.

Upgrade Your Decision Making: Choose your Builders FirstSource Narrative

Earlier we mentioned that there is an even better way to understand valuation. Narratives on Simply Wall St’s Community page let you attach your own story about Builders FirstSource to the numbers by linking your view on its future revenue, earnings and margins to a financial forecast, a fair value, and a clear comparison with today’s price. Because Narratives update automatically when new news or earnings arrive, you can see in real time how a more bullish view, for example assuming a fair value around US$171.29, differs from a more cautious view closer to US$103.27, then decide for yourself how those different stories translate into your own buy or sell timing.

Do you think there's more to the story for Builders FirstSource? Head over to our Community to see what others are saying!

NYSE:BLDR 1-Year Stock Price Chart
NYSE:BLDR 1-Year Stock Price Chart

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Valuation is complex, but we're here to simplify it.

Discover if Builders FirstSource might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.

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Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

About NYSE:BLDR

Builders FirstSource

Provides building materials for professional builders in new residential construction and repair, and remodeling in the United States.

Undervalued with moderate growth potential.

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