Prefabricated Wood Building Manufacturers NAICS 321992

        Prefabricated Wood Building Manufacturers

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Industry Summary

The 656 prefabricated wood building manufacturers in the US produce modular homes and commercial building units, log cabins, detached garages, sheds, sauna rooms, gazebos, wooden geodesic domes, and farm buildings such as barns, chicken coops and corn cribs. This industry does not include mobile home manufacturers, although some modular building manufactures also offer mobile homes and park models.

Variable Building Material Prices

Prefabricated wood building manufacturers rely on supplies of lumber, particle board, drywall, electrical wiring, plumbing fixtures, windows and doors, roofing and siding materials, insulation, flooring materials, cabinets, paint, and hardware.

Demand for Affordable Housing

Firms stand to benefit by working with land developers, lenders, and the government in creating affordable housing projects.


Recent Developments

Sep 9, 2025 - Flat Growth for Modular, Panelized Homes
  • In 2024, the total market share for new modular housing and panelized single-family homes was 3% of all new single-family homes, unchanged from 2023, according to recent National Association of Home Builders (NAHB) analysis of Census Bureau data. Modular housing and panelized single-family home market share have been declining over time. In 1998, single-family modular homes held a 4% market share, and panelized homes had a 3% share. Despite the weak market share in recent years, there is the potential for more modular and panelized single-family housing demand amid the lack of productivity in the residential construction sector. In 2024, about 3% of multifamily buildings were constructed with modular and panelized methods, down significantly from 7% in 2023.
  • Lumber futures have plunged 24% since early August, signaling economic caution amid trade uncertainty and a weakening housing market, according to The Wall Street Journal. A glut of wood - stockpiled in anticipation of higher tariffs on Canadian imports - has collided with softening demand, prompting major producers like Interfor and Domtar to curtail output. While high lumber prices during the pandemic stemmed from inflation and supply chain strain, current declines result from reduced construction activity and tariff volatility. Residential building permits and construction spending are down, but falling mortgage rates may revive demand. Analysts warn that further production cuts are likely as the market adjusts to oversupply and shifting trade dynamics. Lower lumber prices could reduce production costs for prefabricated wood building manufacturers, but less homebuying and construction activity undermine key demand drivers for storage sheds and other prefabricated wood buildings.
  • North American construction and engineering spending for multifamily projects is estimated to have dropped 6% in 2024 and is forecast to decline by an additional 9% in 2025, according to FMI’s third-quarter 2025 North American Engineering and Construction Outlook. Headwinds include a recent jump in new apartment supply, unfavorable cost conditions, and slower rent growth. However, these trends are expected to begin easing in 2026 as rent growth and multifamily starts regain steam. One bright spot is modular multifamily construction, which is gaining popularity because it can bring units online cost-effectively amid labor shortages and rising materials costs.
  • Sales of existing US homes increased by 2% in July from June and were up 0.7% year-over-year, according to the National Association of Realtors (NAR). NAR chief economist Lawrence Yun said, "The ever-so-slight improvement in housing affordability is inching up home sales. Wage growth is now comfortably outpacing home price growth, and buyers have more choices.” Existing home sales help drive demand for prefabricated buildings, including sheds and auxiliary dwelling units (ADUs).

Industry Revenue

Prefabricated Wood Building Manufacturers


Industry Structure

Industry size & Structure

A typical prefabricated wood building manufacturing firm operates out of a single location, employs about 36 workers, and generates about $12 million annually.

    • The prefabricated wood building manufacturing industry consists of about 656 companies which employ about 23,600 workers and generate about $7.9 billion annually.
    • Just 50 firms have 100 or more workers.
    • The industry is somewhat concentrated: the 20 largest firms represent just 3% of the total number of firms but they control 57% of industry revenue.
    • Large companies include Skyline Champion (modular homes), Southland Log Homes, Backyard Products (sheds, gazebos), Country Carpenters (barns and sheds), and JDM Structures (barns and sheds).

                                  Industry Forecast

                                  Industry Forecast
                                  Prefabricated Wood Building Manufacturers Industry Growth
                                  Source: Vertical IQ and Inforum

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