Building Materials Distributors NAICS 4233

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Industry Summary
The 10,324 Building materials distributors in the US purchase and resell a variety of products used in the construction of residential and commercial structures. Companies may offer a wide range of products or specialize in a category, such as roofing materials. Companies often offer related services, such as materials delivery, technical assistance, logistics, design, and fabrication. Customers include contractors, home builders, building owners, and resellers (dealers, home improvement stores).
Dependence on Construction Industry
Demand for building materials is highly dependent on the health of the construction industry, which is cyclical and vulnerable to economic conditions.
Building Materials Cost and Supply
The cost of building materials can vary, depending on pricing trends for underlying commodities.
Recent Developments
Aug 10, 2025 - Home Remodeling Spending to Soften
- Home remodeling spending growth is expected to remain flat in 2025 and the first half of 2026, according to the Leading Indicator of Remodeling Activity (LIRA) report by the Joint Center for Housing Studies at Harvard. Homeowner improvements and repairs are expected to increase 2% to $509 billion in the third quarter of 2025 compared to Q3 2024. In the fourth quarter of 2025, remodeling spending will rise quarter-over-quarter to $511 billion, up 1.8% from Q4 2024. Spending will increase to $524 billion in Q1 2026, up 2.2% from Q1 2025. In the second quarter of 2026, year-over-year spending is forecast to rise 1.2% to $518 billion. Joint Center expects a weak housing market to put downward pressure on remodeling spending. However, recent federal cuts to incentives for efficiency improvements may spur short-term growth as homeowners make upgrades before benefits expire at the end of the year.
- According to data from the US Census Bureau and the National Association of Realtors, the US median price for an existing home was higher than the median price for a new home in the second quarter of 2025. In Q2 2025, the median price for a new home was $410,800, or $18,600 less than the median price for an existing home ($429,400). Buyers typically pay a premium to purchase a new home. Between 2010 and 2019, new homes were, on average, $66,000 more expensive than existing homes. However, the price gap has been narrowing over the past five years, with average new home prices dropping to $24,800 above the average existing home price. Homeowners with low interest rates have been reluctant to sell, pinching inventories. Meanwhile, builders have focused on affordability by building on smaller lots, reducing home sizes, and offering incentives.
- Multifamily developer confidence rose in the second quarter of 2025, according to the National Association of Home Builders’ (NAHB) latest Multifamily Market Survey. The Multifamily Production Index (MPI) increased two points in Q2 2025 to 46 compared to the second quarter of 2024. The Multifamily Occupancy Index (MOI) rose by one point to 82 over the same period. An MPI or MOI reading of 50 or more indicates that multifamily production or occupancy, respectively, is growing. Multifamily developers’ headwinds include a tight lending environment, higher borrowing costs, and regulatory difficulties. As multifamily projects currently under construction come online, the NAHB projects a modest gain in multifamily starts in 2025 compared to 2024, but starts will remain well below levels seen in 2023.
- Demand for building design services dropped in June from the prior month, as architectural billings remain soft, according to a July report by the American Institute of Architects (AIA). The AIA’s Architecture Billing Index (ABI) fell to 46.8 in June from May’s reading of 47.2. Any reading of 50 or more indicates growth in architectural billings. The score for new project inquiries rose to 53.6 in June compared to 51.4 in May, and the index for the value of new design contracts increased from 45.9 to 46.0. The AIA’s Chief Economist, Kermit Baker said, “Business conditions were soft nationwide in June, with a slight billing increase in the South for the first time since October. Other regions saw declining billings, though at a slower pace. While all specializations experienced softer billings, the decline slowed for commercial/industrial and institutional firms. Multifamily firms faced the weakest conditions, with further declines.”
Industry Revenue
Building Materials Distributors

Industry Structure
Industry size & Structure
The average building materials distributor operates out of 1-2 locations, employs 26 workers, and generates $31.3 million annually.
- The building materials distribution industry consists of about 10,324 companies that employ 266,800 workers and generate about $323.6 billion annually.
- The industry is concentrated; the top 50 firms account for about 54% of industry sales.
- Many companies are small, independent operations and serve a local or regional geographical market.
- Large companies include ABC Supply, Builders FirstSource, and Beacon Roofing Supply. Large home center chains, such as Home Depot and Lowes, are also major suppliers of building materials.
Industry Forecast
Industry Forecast
Building Materials Distributors Industry Growth

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