U.S. and Canadian permanent-home reference

Factory-built modules. A permanent house.

Plan the land, destination code, foundation, financing, transport, crane set and completion of a modular home without confusing it with a trailer or HUD-code manufactured home.

Illustration of two factory-built modules joined as one permanent house
Terminology matters. This site uses “modular home” for a destination-code, permanent building made as transportable three-dimensional modules and assembled on an approved foundation. Manufactured housing is discussed only as a separate regulatory category.
Follow the project chain

One house, two construction environments

Factory and site work overlap, but approvals, design, logistics and responsibility must remain connected from the lot survey through occupancy.

1

Start Here

Understand what modular construction is, what it is not, and how factory-built modules become a permanent house.

Explore start here →
2

Planning & Land

Test the lot, approvals, services, delivery route and project team before committing to a factory order.

Explore planning & land →
3

Codes & Approvals

Follow the code, design-review, inspection and permit pathway required at the home’s final destination.

Explore codes & approvals →
5

Costs & Contracts

Compare complete-project costs, payment schedules, financing, insurance and warranty responsibilities.

Explore costs & contracts →
Destination rules control. Codes, approvals, labels, professional seals, inspections and financing practices vary by country, state, province, territory and municipality. Verify the pathway before ordering modules.