Modular Homes Market

USD 47.69 billion is the answer for 2025: that is what households, developers and housing agencies paid worldwide for modular homes, on Douglas Insights estimates. Modular homes are dwellings whose structure is built in a factory as finished volumetric modules or large wall and floor panels, then trucked to a permanent foundation and completed to the local building code; the modular homes market covers detached houses, apartments, townhouses and accessory dwellings, and excludes HUD-code manufactured homes on a permanent chassis. Multiply 278,400 homes by an average USD 171,300 per home and the total is USD 47.69 billion. Our base case lifts the total to USD 79.43 billion in 2035, a revenue compound annual growth rate (CAGR) of 5.23% over 2026 to 2035. The newest push came from Washington: the 21st Century ROAD to Housing Act, Public Law 119-101, approved on 11 July 2026, writes a federal definition of modular homes into law and orders a review of Federal Housing Administration (FHA) barriers to them. Related studies sit in our construction materials hub, and every number follows the Douglas Insights research methodology.

How much does a factory-built modular home cost per unit in 2025, and per square foot?

A modular home averages USD 171,300 per unit worldwide in 2025 on our model, roughly 41.0% of the USD 417,400 median price of a new US single-family home. The gap is land, site work and builder margin: modular prices here cover the factory package delivered, set and finished, not the lot.

The US Census Bureau published its annual Characteristics of New Housing on 1 July 2026, showing 1,005,000 single-family homes completed in 2025 at an average 2,142 square feet. A typical modular house is smaller. Douglas Insights puts the average modular home at about 1,640 square feet, which works out to roughly USD 104 per square foot for the package.

Factory-built housing at the low end looks very different. Champion Homes reported a fourth-quarter fiscal 2026 average selling price of USD 98,600 per US home, in results released on 26 May 2026, a figure dominated by HUD-code units outside our scope. Price per modular home rises 2.05% a year in our base case, to about USD 209,840 in 2035, as the mix tilts toward multi-storey apartments and better-specified detached houses.

Where does a modular home end and a HUD-code manufactured home begin?

Each of the 278,400 modular homes in this study meets the same building code as a site-built house and sits on a permanent foundation. Each counts once, in the year it is finished. HUD-code manufactured homes, relocatable site cabins and park models fall outside the 278,400 homes.

The line matters for company numbers. Cavco and Champion Homes build mostly to the HUD code, so only their modular home and ADU lines enter our USD 47.69 billion. Modular schools, offices and hotels are excluded too, and appear in our commercial building studies. Japanese prefab starts count in full because MLIT records them as permanent dwellings under national approval.

Which modular home format leads: single-family detached houses, multifamily modules or ADUs?

Single-family detached modular homes lead with 57.3% of 2025 value, or USD 27.33 billion, because Japanese steel-unit houses and German prefab villas sell at high prices. Accessory dwelling units (ADUs) grow fastest, at 8.94% a year, as backyard rules loosen across North America.

Single-family detached modular homes climb from USD 27.33 billion to USD 41.59 billion at 4.29%, the slowest rate, because Japan, their biggest pool, is shrinking. Multifamily modular apartments hold 24.6%, worth USD 11.73 billion, and add 6.07% a year as European housing companies and Chinese developers stack modules four to ten storeys high. Modular townhouses and duplexes take 11.8%, or USD 5.63 billion, rising 5.18% on infill sites where one crane day replaces weeks of framing.

Accessory dwelling units (ADUs) are small, at USD 3.00 billion, but reach USD 7.07 billion by 2035. A finished backyard module arrives with plumbing and wiring done, which is why ADU buyers pick factory builds at a higher rate than any other buyer group.

Who buys modular homes, and do they prefer volumetric modules, panels or a timber frame?

Owner-occupiers buy 54.7% of 2025 modular home value, about USD 26.09 billion, while developers and builders take 33.9% and public and social housing bodies 11.4%. Volumetric modular construction carries 52.6% of value because finished boxes save the most site time.

Panelized prefabricated systems hold 36.1%, the method behind most German and Austrian prefab villas, where wall elements with windows fitted arrive on one truck. Hybrid unit systems take 11.3%, mostly Japanese builders that pair factory-made steel units with site-fitted roofs. Timber frame dominates materials at 58.2%, ahead of light steel frame at 33.5%, which Japanese builders favour, and precast concrete at 8.3%, used mainly in Chinese and Gulf apartment towers.

Developers and builders are the buyer group to watch. Their 33.9% share rises to about 37.5% by 2035 on our model, as build-to-rent investors order modules in blocks of 40 to 200 apartments and treat a factory slot like a supply contract.

Why are builders and buyers moving to modular homes as site crews get scarce?

Modular home volume grows 3.12% a year in our base case, from 278,400 homes in 2025 to about 378,500 in 2035. Four forces supply that leg: European and Chinese apartment programmes, US financing reform, backyard ADU rules and the time a factory saves on site.

Multifamily modules in Europe and China add 1.04 percentage points of the 3.12-point leg. Germany shows how deep factory building already runs: prefab houses took 26.5% of approved one- and two-family homes in 2025, 13,467 of 50,732, and 26.7% in the first half of 2026, according to federal statistics office counts. Housing companies now apply the same logic to four-storey rental blocks. On our model a 40-apartment block takes about 120 modules, so a single rental order can fill a factory line for six to eight weeks, which is exactly the steady volume plants need.

US law reform adds 0.71 points. The ROAD to Housing Act, approved on 11 July 2026 as Public Law 119-101, defines modular homes as factory-built dwellings constructed in one or more modules, directs HUD to review FHA financing programmes for barriers to modular adoption and raises FHA Title I limits for manufactured homes. Cheaper, clearer lending reaches buyers who were told a modular home was hard to finance, and appraisers gain a federal definition to cite. Douglas Insights expects US modular completions to rise about 8.1% a year as a result, against 1.28% of single-family completions in 2024.

Backyard rules contribute 0.62 points. US states and Canadian provinces have widened by-right permission for second units, and an ADU is the one product where a crane drop beats a framing crew outright: one module, one day, no neighbours living with a building site for months. Douglas Insights models about 19,000 modular ADUs delivered worldwide in 2025, rising to roughly 41,000 by 2035, most of them in California, Ontario and British Columbia.

Factory time savings add the final 0.75 points, giving 1.04 + 0.71 + 0.62 + 0.75 = 3.12. Site preparation and module building run in parallel, so a modular home is weather-tight in days rather than weeks. Cavco Industries sold 20,842 factory-built homes in fiscal 2026, up from 19,753 a year earlier, from 33 production lines, 31 of them in the United States, according to its annual report. Price adds 2.05% a year on top, and (1.0312 × 1.0205) minus 1 gives the 5.23% revenue CAGR.

What limits modular homes: Japan’s shrinking starts, factory utilisation or lender caution?

Three headwinds remove 1.18 percentage points from modular home volume growth in our slower case, cutting it from 3.12% to 1.94% a year. Japan’s falling housing starts, idle factory capacity and conservative appraisal rules do the damage, together worth USD 12.23 billion of 2035 value.

Japan is the largest single modular home pool and it is contracting. The Ministry of Land, Infrastructure, Transport and Tourism (MLIT) reported on 30 April 2026 that prefabricated housing starts fell 5.5% to 88,669 in fiscal 2025, a fourth straight annual decline, while all starts dropped 12.9% to 711,171. We remove 0.52 points for that drag.

Factories need steady order books, and modular plants run at a loss when volumes dip. Skanska sold its BoKlok modular factory in Gullringen, Sweden, to Surewood Housing for about SEK 110 million in early 2025, a sign that even well-known modular home brands struggle with utilisation. Transport limits on module width add cost beyond about 400 km of haul. We take 0.38 points off.

Appraisers, lenders and local inspectors subtract 0.28 points. Many still value a modular home against site-built comparables only after completion, and a permit office unfamiliar with in-plant inspection can hold a finished module in a yard for weeks.

Which companies build the most modular homes, from Sekisui House to Champion Homes?

The top three modular home suppliers hold 13.6% of 2025 value on Douglas Insights estimates: Sekisui House at 6.8%, Daiwa House at 3.7% and Sekisui Chemical at 3.1%. Thousands of regional factories and kit-house firms share the rest, so the field is fragmented.

Sekisui House reported consolidated net sales of JPY 4,197.9 billion for the year to 31 January 2026, in results dated 5 March 2026, with custom detached houses at JPY 478.9 billion. At an assumed JPY 150 to the dollar, that detached line alone is about USD 3.19 billion, which anchors our 6.8% share, or USD 3.24 billion. Its US arm delivered 6,695 homes, down from 9,598, a site-built business we exclude.

Daiwa House grew its single-family houses segment 14.3% to JPY 269.3 billion in fiscal 2025 on Smart Made Housing, about USD 1.80 billion at the same rate. Sekisui Chemical builds Sekisui Heim homes as steel-framed and wooden units at its own plants, which places it third at 3.1%, or USD 1.48 billion.

Champion Homes lifted fiscal 2026 net sales 7.3% to USD 2.7 billion across 46 factories, but most of that is HUD-code; Douglas Insights reckons its modular home and ADU slice at USD 620.0 million. Cavco states that a majority of its homes follow the HUD code, and builds modular ranch, split-level and Cape Cod designs on the side, about USD 429.2 million on our count. Surewood Housing, owned by Gelba and Active Invest, runs the former BoKlok plant.

Which region buys the most modular homes, and where does demand grow fastest?

Asia Pacific leads modular home value with USD 23.51 billion, or 49.3% of 2025 sales, because Japan builds about one home in eight in a factory. North America grows fastest, at 8.13% a year to USD 12.61 billion, on financing reform and ADU demand.

Asia Pacific reaches USD 36.03 billion in 2035 at 4.36%: Japanese decline is offset by Chinese, Australian and Korean apartment modules. Monthly data turned in the second half of 2026, as MLIT reported on 30 September 2026 that August prefab starts rose 12.3% to 8,227.

Europe holds USD 13.54 billion, 28.4% of the total, and grows 5.27% to USD 22.64 billion. Germany, Sweden, Austria and the Netherlands carry most of it. North America starts small at USD 5.77 billion, 12.1% of value, yet more than doubles by 2035. Latin America is worth USD 1.91 billion and grows 5.92% to USD 3.39 billion on Mexican and Chilean social housing. The Middle East and Africa, at USD 2.96 billion, is the wildcard: Gulf giga-projects buy modules in bursts, so our 4.90% base rate to USD 4.77 billion hides a wide spread. Readers following the building shell can compare our Facade Market report.

How does the ROAD to Housing Act change the law for modular and chassis-free homes?

Public Law 119-101 touches about 12.1% of global modular home value, the North American share, by defining modular homes in federal law and opening FHA review. It also lets HUD-code homes drop the permanent chassis, which narrows the gap between the two product types.

The act, H.R. 6644, approved on 11 July 2026, expands the federal definition of a manufactured home to dwellings built with or without a permanent chassis and gives HUD one year to set standards and labels for them. States must treat chassis-free homes like other manufactured homes for financing, title, insurance and taxes, or lose the right to build and sell them.

Modular homes stay under state and local building codes, not the HUD code. In the US, the ICC/MBI 1200 and 1205 standards from the International Code Council and the Modular Building Institute, published in 2021, set planning, fabrication, in-plant inspection and state modular programme rules, and state the standards do not apply to HUD manufactured housing. In Japan, prefab builders work under national type approvals, which explains why a handful of firms dominate.

What would push 2035 modular home sales above or below USD 79.43 billion?

Our three cases put 2035 modular home value at USD 67.20 billion, USD 79.43 billion or USD 92.03 billion. Volume explains most of the spread, because FHA lending reform, ADU permits and European rental programmes either scale across whole markets or stall at pilot projects.

The faster case assumes HUD finishes the chassis-free standards within the one-year window set on 11 July 2026, under Public Law 119-101, and that FHA products for modular homes follow. The slower case assumes Japanese starts keep falling at fiscal 2025 rates and European factory closures continue.

Add one point to annual home growth and 2035 value climbs to USD 87.48 billion; take one point away and it drops to USD 72.06 billion. Our 5.23% lands within the 2.9% to 7.2% band of published modular homes forecasts, about 0.21 points above their 5.03% mean.

Douglas Exclusive: the Modular Homes Factory-Share Atlas

The Factory-Share Atlas is a Douglas Insights model built from 11 inputs: 6 official statistics releases, 4 company filings and 1 federal law. For each major country it records what share of new homes is built in a factory, whether that share is official or our estimate, and the 2025 modular home value it implies.

The finding is an inverse link between factory share and growth. Japan, with 88,669 prefab starts out of 711,171, holds USD 14.19 billion of value but shrinks. The United States builds only 13,000 single-family modular homes, 1.28% of completions, so it has the most room to grow. Douglas Insights calculates that the three countries with official series hold USD 23.76 billion, or 49.8% of global modular home value.

Doubling the US single-family share to 2.56% would add about 13,000 homes a year. At our USD 205,000 US detached package price, that is USD 2.67 billion, close to half of today’s North American market.

How the model counts modular homes: which receipts back USD 47.69 billion?

Douglas Insights counts 278,400 modular homes in 2025 and multiplies them by USD 171,300 per home to reach USD 47.69 billion. Five regional models add to the global total exactly, across 23 countries modelled individually and 15 sourced inputs, each one recorded in the model notes.

Inputs: 6 official statistics releases from MLIT, the US Census Bureau and the German federal statistics office, 4 company filings, 1 federal law and 4 published growth rates. Homes grow 3.12% and price 2.05%, so 2026 brings about 287,100 homes at USD 174,812 each, or USD 50.18 billion.

Cross-check one: two published 2025 modular home estimates of USD 48.21 billion and USD 54.7 billion average USD 51.46 billion, and our figure sits 7.3% below it, a gap explained by our exclusion of relocatable site cabins. Cross-check two: 88,669 Japanese prefab starts at about USD 160,000 each give USD 14.19 billion, matching the atlas row. Segment 2035 values sum within 0.4% of the total. Timber suppliers can read our Laminated Veneer Lumber Market study, and commercial builders our Nonresidential Building Construction Market report.

Sources

1. US Government Publishing Office Public Law 119-101, 21st Century ROAD to Housing Act (2026)
2. Ministry of Land, Infrastructure, Transport and Tourism Building construction statistics, fiscal 2025 (2026)
3. Ministry of Land, Infrastructure, Transport and Tourism Building construction statistics, August 2026 (2026)
4. US Census Bureau Characteristics of New Housing, 2025 highlights (2026)
5. Champion Homes via SEC EDGAR Champion Homes fourth quarter and fiscal 2026 results (2026)
6. Sekisui House Consolidated financial results FY2025 (2026)
7. SEC EDGAR Cavco Industries Form 10-K fiscal 2026 (2026)