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

Mar 10, 2026 - More Than a Third of Remodelers Report ADU Projects
  • In a recent survey, the National Association of Home Builders (NAHB) asked remodelers to rank 22 types of projects on a scale of 1 to 5, where 1 = not common and 5 = very common. While several types of projects ranked higher, 36% of remodelers ranked "adding accessory dwelling units" (ADUs) as either common or very common. Bathrooms emerged as the most common project type with 73% of survey respondents ranking them either a 4 or a 5 - "common" or "very common," respectively. Demand for prefabricated ADUs may be increasing due to affordability issues in the overall housing market and the aging of the US population, boosting the popularity of "granny pod" additions.
  • Sales of existing US homes increased by 1.7% in February 2026 from January but were down 1.4% year-over-year, according to the National Association of Realtors (NAR). NAR chief economist Lawrence Yun said, "Housing affordability is improving, and consumers are responding. Still, there is a long way to go to return to pre-pandemic levels of transaction activity. There are more than 6 million more jobs than in 2019, yet home sales per year are down by one million. Despite the modest gain in home sales, actual housing demand remains muted relative to wage growth and job gains. Wage growth is now outpacing home price growth by almost four percentage points. Mortgage rates are also measurably lower compared to a year ago." Home sales help drive demand for prefabricated wood buildings, as homebuyers often need extra storage space after moving in.
  • Seasonally softer lumber prices may ease margin pressures for prefabricated wood building manufacturers. In the first week of March 2026, commodity prices for lumber were about $560 per thousand board feet - marking a six-week low, according to Trading Economics. A sluggish housing market and persistently high mortgage rates, around 6%, have kept a lid on new housing starts. Harsh winter weather in the US South slowed housing production earlier in the year, creating supply gluts for distributors that had to be cleared by offering steep discounts. Additionally, the Trump administration's duties on softwood imports were aimed at boosting US lumber prices but have reduced housing demand by adding $17,500 to the cost of building a home.
  • Martha Stewart’s influence is expanding from lifestyle branding into housing design with the launch of the Martha Stewart Iconic Estate Housing Collection, a line of four prefab homes modeled on the lifestyle maven's own homes, according to Architect Magazine. Developed with Marquee Brands and Hapi Homes, the collection distills Stewart’s signature aesthetics into panelized, light gauge steel structures engineered for faster construction, lower carbon impact, and greater affordability. The homes, designed to meet Passive House standards, can be delivered in as little as four to twelve weeks and start at $150,000 for accessory units and $450,000 for full-size models. By turning Stewart’s domestic ideals into scalable, customizable products, the project signals a broader shift in prefab housing.

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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