SITE vs BLDR

For growth investors, SiteOne Landscape Supply, Inc.

(SITE) is the stronger pick with 3. 6% revenue growth year-over-year, versus -7. 4% for Builders FirstSource, Inc. (BLDR). Builders FirstSource, Inc. (BLDR) offers the better valuation at 20. 6x trailing P/E (14. 2x forward), making it the more compelling value choice. Analysts rate SiteOne Landscape Supply, Inc. (SITE) a "Buy" — based on 15 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Builders FirstSource, Inc.

(BLDR) is the cheapest at 20. 6x versus SiteOne Landscape Supply, Inc. at 36. 3x. On forward P/E, Builders FirstSource, Inc. is actually cheaper at 14. 2x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Builders FirstSource, Inc. wins at 1. 79x versus SiteOne Landscape Supply, Inc. 's 6. 76x — a reasonable growth-adjusted valuation.

Over the past 5 years, Builders FirstSource, Inc.

(BLDR) delivered a total return of +53. 9%, compared to -36. 8% for SiteOne Landscape Supply, Inc. (SITE). Over 10 years, the gap is even starker: BLDR returned +636. 9% versus SITE's +358. 3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), SiteOne Landscape Supply, Inc.

(SITE) is the lower-risk stock at 1. 24β versus Builders FirstSource, Inc. 's 1. 65β — meaning BLDR is approximately 33% more volatile than SITE relative to the S&P 500. On balance sheet safety, SiteOne Landscape Supply, Inc. (SITE) carries a lower debt/equity ratio of 58% versus 130% for Builders FirstSource, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), SiteOne Landscape Supply, Inc.

(SITE) is pulling ahead at 3. 6% versus -7. 4% for Builders FirstSource, Inc. (BLDR). On earnings-per-share growth, the picture is similar: SiteOne Landscape Supply, Inc. grew EPS 24. 4% year-over-year, compared to -57. 1% for Builders FirstSource, Inc.. Over a 3-year CAGR, SITE leads at 5. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

SiteOne Landscape Supply, Inc.

(SITE) is the more profitable company, earning 3. 2% net margin versus 2. 9% for Builders FirstSource, Inc. — meaning it keeps 3. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: BLDR leads at 5. 2% versus 5. 1% for SITE. At the gross margin level — before operating expenses — SITE leads at 34. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Builders FirstSource, Inc. (BLDR) is the more undervalued stock at a PEG of 1. 79x versus SiteOne Landscape Supply, Inc. 's 6. 76x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Builders FirstSource, Inc. (BLDR) trades at 14. 2x forward P/E versus 28. 0x for SiteOne Landscape Supply, Inc. — 13. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for BLDR: 37. 3% to $109. 92.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, SiteOne Landscape Supply, Inc.

(SITE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 24), +358. 3% 10Y return). Builders FirstSource, Inc. (BLDR) carries a higher beta of 1. 65 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SITE: +358. 3%, BLDR: +636. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.