Changing the Code Is the Easy Part. Changing the Factory Is Not.


After writing two articles about how the Road to Housing legislation could open new opportunities for modular factories to build homes under the HUD Code, I decided to send them to several people whose opinions I trust. I wasn’t looking for compliments or confirmation that I had everything figured out. I wanted the kind of honest response that might expose what I had overlooked.

One of those responses came from Bob Bender, an experienced advisor to both the modular and manufactured housing industries. Bob agreed that the articles raised important observations, but he also reminded me that changing federal rules and changing the realities inside a factory are two very different things.

The legislation may open a door, but Bob’s response made one thing very clear: a modular factory cannot simply put a HUD label on one of its existing homes and declare itself ready to compete in manufactured housing.


The Regulatory Change Is Only the Beginning

A traditional modular factory entering HUD Code production would immediately encounter a different engineering, approval, and inspection system. The factory would have to work through HUD’s Design Approval Primary Inspection Agency process, commonly known as the DAPIA, along with an inspection system that is different from what most modular producers have used for years.

That alone will require education, new procedures, documentation, training, and probably a few painful mistakes. However, Bob pointed out that regulatory compliance may not even be the biggest challenge. Once a modular manufacturer earns the right to build HUD Code homes, it still has to answer three basic questions: What will it build, who will buy it, and what will make it competitive?

Those questions sound simple until factory owners begin putting real numbers beside them.

HUD Code Housing Is a Price-Driven Business

Modular manufacturers are accustomed to talking about design flexibility, customization, energy efficiency, architectural appeal, and meeting the requirements of local builders and developers. Those things still matter, but the primary HUD Code market has traditionally been far more focused on price, material cost, production efficiency, and volume.

Bob emphasized the importance of the bill of materials, or BOM. In a price-sensitive market, every piece of lumber, every fastener, every plumbing fixture, and every minute of labor matters. Design is important, but it may take a back seat to whether the home can move down the production line quickly enough and leave the factory at a competitive price.

That represents a major cultural adjustment for many modular manufacturers. They may know how to build an excellent house, but that does not automatically mean they know how to build the right HUD Code house at the right price and volume for an entirely different customer base.

More Products Mean More SKUs and More Complexity

Introducing HUD Code production would also bring a different bill of materials and a long list of HUD-approved components and requirements. For a modular factory already managing thousands of SKUs, adding another product category could increase purchasing complexity, inventory demands, material handling, employee training, and the possibility of mistakes on the production line.

On paper, offering both modular and HUD Code homes may look like a smart way to broaden the factory’s market. On the production floor, however, it could mean workers constantly switching materials, procedures, specifications, inspection requirements, labels, and documentation.

Every production manager knows what happens when too many exceptions are introduced into a supposedly repetitive process. The factory may gain another product to sell while quietly losing some of the efficiency it needs to make that product profitable.

Volume Drives the Factory

Bob shared an example from his time with Commodore Homes. Before the company was sold, Commodore was finalizing the purchase of another North Carolina factory that was expected to focus primarily on modular construction.

After Cavco completed the purchase, the new owner reengineered the plant over several months into a higher-volume HUD Code facility. Bob called that a very smart decision because the product, expected volume, and production process ultimately needed to drive the design of the factory.

That is a lesson every modular manufacturer considering HUD production should study carefully. A factory designed around customized modular projects may not be able to achieve competitive HUD Code volume simply by changing plans, adding inspections, and placing a different label on the finished home.

Factory layout, workstation balance, purchasing, storage, material flow, labor expectations, quality control, and production scheduling may all have to change. By the time management finishes examining the complete transition, the factory may discover that it is not adding a product line. It is building a different manufacturing business inside the one it already operates.

Who Will Sell These Homes?

Another major obstacle is distribution. Traditional HUD Code manufacturers have well-established relationships with street retailers, land-lease communities, developers, and lenders specializing in manufactured housing.

Most modular manufacturers have never pursued those sales channels. They generally work with modular builders, general contractors, developers, or their own builder networks. Entering the HUD market would require more than producing a competitive home; it would require developing relationships with an entirely different group of buyers and learning how those buyers make purchasing decisions.

The challenge becomes even greater because portions of the manufactured housing industry continue moving toward vertical integration. Manufacturers are increasingly connected to retail centers, land-lease communities, development operations, and branded financing programs. Clayton Homes perfected much of that model years ago, creating an ecosystem that is difficult for a newcomer to challenge with a product alone.

A modular factory entering HUD production may therefore find itself competing against companies that manufacture the home, control the sales channel, help arrange the financing, and sometimes control the land where the home will be placed. That is a much different contest than competing for a modular project from a local builder.

Mixing HUD and Modular Is Possible—But Not Always Desirable

Commodore operated four factories approved to build both HUD Code and modular homes. Technically, those plants could produce either type of home, but Bob said each factory developed a strong bias toward one or the other.

At HUD-focused factories, Commodore sometimes offered a modular version of the same floor plan for customers who did not want what they considered a “HUD house” or who wanted access to different financing. That gave the company flexibility, but it did not mean production managers enjoyed regularly mixing the two types of homes on the same line.

This may become one of the most important operational realities for modular factories. Being authorized to build two product types does not mean it is efficient or profitable to alternate between them every day. The occasional HUD home moving through a modular line could create more disruption than revenue, while a sustained HUD program might eventually require a dedicated line, a separate facility, or a complete redesign of the existing plant.

Could HUD Manufacturers Have the Advantage?

My original articles focused largely on modular factories choosing to enter HUD Code production. Bob raised the reverse possibility: What happens if established HUD manufacturers move aggressively into the markets created by the new rules?

They already understand HUD engineering, approvals, inspections, high-volume production, retail distribution, and price-sensitive purchasing. If frameless HUD homes become more practical and gain broader access to residential developments, those manufacturers may begin looking at opportunities that traditionally belonged to modular builders.

HUD manufacturers will face their own challenges. They may need greater design flexibility, different quality expectations, new development partners, and homes that appeal to buyers who do not see themselves as traditional manufactured housing customers. However, they may be starting with production volume, purchasing power, financing relationships, and distribution channels that many modular manufacturers cannot quickly duplicate.

The biggest beneficiary of the Road to Housing changes may not be the modular factory deciding to build HUD homes. It could be the experienced HUD manufacturer learning how to make its homes acceptable in more neighborhoods and attractive to more developers.

The Developer May Be the Real Key

Bob also raised an important point about MH Advantage, CHOICEHome, CrossMod, and similar efforts to create manufactured homes that fit more comfortably into traditional residential markets. Their success appears to depend as much on the developer as it does on the home itself.

A factory can build a frameless HUD Code home with an attractive roof pitch, garage, porch, foundation, and residential appearance. But someone still has to assemble the land, win zoning approval, install infrastructure, secure financing, manage local opposition, and prove that buyers will accept the finished community.

That suggests the most promising early opportunities may not come from factories trying to sell individual HUD homes into scattered modular markets. They may come from carefully planned developments where the home, land, financing, installation, and neighborhood design are coordinated from the beginning.

Those developments will take time to perfect. Once a successful model is proven, however, it could be repeated in markets where today’s housing costs have made traditional site-built construction increasingly difficult.

Gary’s Observation


Bob Bender did not convince me that the Road to Housing changes are unimportant. He convinced me that they may be far more complicated—and far more interesting—than simply allowing modular factories to build HUD Code homes.

Regulations can remove barriers, but they cannot create an efficient production line, a competitive bill of materials, an experienced dealer network, affordable financing, or a developer willing to take the first risk. A HUD label is not a marketing strategy, and permission to enter a market is not proof that a factory can compete successfully once it gets there.

The modular and manufactured housing industries may be moving closer together, but neither side should assume the transition will be quick. Modular factories will have to learn volume, price discipline, HUD compliance, and new distribution channels. HUD manufacturers will have to learn greater design flexibility, residential development, and the quality expectations of buyers who may never have considered a manufactured home.

The Road to Housing may have opened the gate. Now we are going to find out which part of the industry is best prepared to walk through it.

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