A triple wide is a manufactured home built in three transportable sections, so it lands on site around 36 to 50 feet wide with two marriage lines to join, buying a floor plan close to a site-built house at the cost of a third haul, a third permit and a much shorter list of places it will fit.
Three sections is where the manufactured home stops looking like a manufactured home. The width lets the plan hold a real entry, a centre hallway, rooms on both sides and a roof with enough pitch to read as a house from the street. It also puts the home outside what a normal park space can take, so almost every triple wide ends up on land somebody owns.
The trade also calls these multi-section homes, and the same logic runs on to four sections and beyond on the largest plans.
Three sections, two seams
Each section is built, labelled and towed on its own, exactly as the two halves of a double wide are, and the site crew joins them in sequence: the centre section is set first and levelled, then the outer sections are pulled to it and the mating walls bolted and strapped, then the roof is tied at both ridges and the seams finished inside and out. A triple wide therefore carries three red HUD certification labels, one per section, and its own data plate.
Two seams instead of one is the practical difference in ownership. Both are the places settling shows up, both need the piers under them kept level, and both are on the list for any inspection of a used home. Sight along both ridge lines and run a level across the floor at each seam.
The size, and what the code has to say about it
Finished widths commonly run about 36 to 50 feet, lengths 50 to 76 feet, and floor areas roughly 1,800 to 3,000 square feet or more, with four or five bedrooms and three bathrooms on the larger plans. Nothing in the HUD code caps that. 24 CFR 3280.2 defines a manufactured home by minimum dimensions (8 body feet of width, 40 feet of length or 320 square feet erected) and by being transportable in one or more sections built on a permanent chassis, and it never sets an upper bound or uses the words double wide or triple wide.
What the width buys is layout rather than only area. At 40-odd feet across, the plan can have a proper entry, rooms either side of a central corridor, a kitchen that is not a galley, and a hip or gabled roof with eaves. Several triple wides are built to the agencies' CrossMod specification, which adds the pitched roof, eaves, drywall throughout, an attached garage or porch and higher energy specifications, and which is what makes the better-priced loan programmes available.
Where it can actually go
This is the constraint people underestimate. A park space is laid out for a single or a double wide, so a park with spaces wide enough for a triple wide is uncommon, and a park that has them usually prices them accordingly. That pushes triple wides onto private land: a rural parcel, an acreage lot, or a manufactured home subdivision where the lots are owned rather than rented.
Land brings the rest of the checklist with it. Zoning has to permit a manufactured home in that district, any recorded CC&Rs on the parcel have to be read (restrictions on factory-built housing are usually drafted around the HUD code and the chassis, so they catch a triple wide too), the county has to permit the foundation and the setup, and the site has to be reachable by three oversize loads with room to manoeuvre each one into position.
How it is usually owned
Because the land is normally bought with it, a triple wide is the manufactured home most likely to end up as real property: set on a permanent foundation, running gear removed, state title surrendered and the home recorded with the land. From there it takes an ordinary mortgage, is assessed with the land, and is sold with a deed like any other house.
That is also why the resale market for one behaves more like the site-built market than the park market does. The appraisal still runs against comparable manufactured homes, so a thin pool of recent sales can hold a deal up, but the home is not depreciating on somebody else's ground.
Questions people ask
How many sections can a manufactured home have?
As many as the manufacturer builds and the road will carry. Three is the usual maximum on the retail market and four appears on the largest plans; the HUD code says transportable in one or more sections and sets no upper limit, so the constraints are the oversize permits, the site access and the price.
Can a triple wide go in a mobile home park?
Rarely, because park spaces are laid out for single and double wide homes and few have a rectangle wide enough. Where a park does offer one, expect the rent to reflect it. Most triple wides are sited on private land instead.
Is a triple wide the same as a modular home?
No. A triple wide is built to the federal HUD code on a permanent chassis, however large it is. A modular home is built to the local building code, has no permanent chassis, and is treated as a site-built house for lending, appraisal and property tax from the day the foundation is poured.