BLDR vs LOW: How Builders FirstSource and Lowe's Compare (2026)

Same yardstick, side by side (as of July 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: BLDR is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. BLDR and LOW share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined BLDR and LOW exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Builders FirstSource (BLDR) is the largest US supplier of building materials, manufactured components, and construction services to professional homebuilders, remodelers, and contractors. It distributes lumber and a broad range of building products, and increasingly manufactures and sells higher-value value-added products: pre-assembled trusses, wall panels, millwork, doors, windows, and engineered components that save builders time and labor on the job site. The company operates a large network of distribution and manufacturing locations across the United States, giving it scale, local density, and purchasing power. Its results are tied to US residential construction, both new single-family and multifamily building and repair-and-remodel activity, which depend on housing demand, interest rates, and homebuilder confidence. Builders FirstSource has grown substantially through acquisitions, consolidating a fragmented industry, and uses strong free cash flow for aggressive share buybacks. Headquartered in Irving, Texas, it is a large-cap, cyclical building-products company whose value-added manufacturing mix and scale differentiate it from pure commodity distributors.

Full BLDR guide

Lowe's is the second-largest home-improvement retailer in the United States, operating roughly 1,700 large-format stores plus a growing e-commerce business. It sells building materials, tools, appliances, lumber, hardware, paint, lawn and garden, plumbing, electrical, and seasonal products to two main customer groups: do-it-yourself (DIY) homeowners and professional contractors (Pro). Lowe's makes money on retail margins across these categories, with appliances, installation services, and the Pro business as key drivers. The company has invested heavily in growing its Pro customer base, expanding its supply chain and fulfillment, improving its digital and omnichannel capabilities, and rolling out loyalty programs. Demand is tied to the health of the housing market, home prices, repair-and-remodel activity, and consumer confidence, though the large installed base of aging US homes provides a steady stream of maintenance and renovation spending. Lowe's is a Dividend King with a multi-decade record of dividend increases and large share buybacks. Headquartered in Mooresville, North Carolina.

Full LOW guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• BLDR drivers: Scale and consolidation; Value-added product mix.
• LOW drivers: Aging housing stock drives repair-remodel; Growing the Pro customer base.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: Builders FirstSource is highly cyclical and tied to US housing: rising interest rates, falling affordability, or a construction slowdown reduce building activity and hit volumes and pricing. For LOW, lowe's is cyclical and sensitive to the housing market: high mortgage rates, falling home prices, or a recession reduce big-ticket projects, appliance purchases, and remodeling activity, pressuring sales.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick BLDR if you believe its drivers more; LOW if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the BLDR and LOW guides.

BLDR. Builders FirstSource trades at a cyclical multiple that reflects its leverage to US housing. The valuation balances strong free cash flow, aggressive buybacks, and a higher-margin value-added mix against the volatility of construction volumes and lumber prices. Multiples tend to compress when housing sentiment weakens and expand when building activity and homebuilder confidence improve.

LOW. Lowe's trades at a market-like retail multiple, often at a slight discount to Home Depot, reflecting its solid but historically lower margins and greater DIY mix. The valuation balances housing-cycle sensitivity against the durable repair-and-remodel demand from an aging housing stock, a 50-plus-year dividend record, and aggressive buybacks. As a mature, cash-generative retailer, Lowe's is valued on steady earnings, free cash flow, and capital returns more than rapid growth.

Headline figures (approximate, early 2026): BLDR shows revenue (ttm) ~$16-17 billion, operating margin ~low-double-digit percent (cyclical), net income (ttm) ~$1 billion, p/e (ttm) ~15-20x (cyclical); LOW shows revenue (ttm) ~$83 billion, operating margin ~12-13%, net income (ttm) ~$7 billion, p/e (ttm) ~20x.

BLDR and LOW are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined BLDR and LOW exposure against your real portfolio. It is not an investment adviser.