Foundation or trailer: the two ways to legally place a tiny home
Why a fully built home is one of the easiest structures to permit, and when the trailer route skips the building permit entirely.

Why fully built changes the permit
Most permit work exists to inspect construction as it happens. When the home arrives finished and inspected at the factory, the local process shrinks to the foundation and the service connections.
Path one: on piers
Set on screw piles, the home is treated as a small dwelling, guest house or accessory dwelling. Stamped structural, electrical and plumbing drawings go to your local engineer, who files them.
Path two: on a trailer
On the road-legal trailer chassis the home is registered as a movable tiny home. In most places that means no building permit and no foundation, only rules on where it can be parked and for how long.
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Frequently asked questions
Does a tiny home on wheels need a building permit?
In most jurisdictions it is treated as a vehicle or movable home rather than a building, but local parking and occupancy rules still apply.
Which models can go on a trailer?
The Nest and Mirror homes. Custom multi-volume homes sit on piers.