Tiny home, ADU, and modular family home get used almost interchangeably in casual conversation, but they’re genuinely different products, aimed at different buyers, with different tradeoffs. Modular construction today spans the full range, from a compact studio on wheels to a full 4 to 5 bedroom family home, and all of it is legitimate, high-quality housing. Here’s how to think about which end of that range actually fits your situation.
Mobility
A tiny home on wheels is built to move. If your plans might change, whether that’s relocating, upgrading land, or just wanting the flexibility to relocate the home itself, a mobile build keeps that option open. An ADU or a full modular family home is permanent by design, built on a foundation and tied to a specific property’s utilities. Once it’s built, it’s built there.
Cost and size
Tiny homes on wheels are generally the cheaper, smallest entry point, typically $30,000 to $70,000 for a standard build, with luxury builds running $70,000 to $150,000. ADUs cost more, generally $100,000 to $350,000, since they involve foundation work, permanent utility connections, and full permitting. A full modular family home, built out to 4 or 5 bedrooms for a primary residence, scales up further still, priced by square footage and finish level rather than a flat range. See the full breakdown in our cost guide.
Permanence and property value
Because an ADU or modular family home is a permanent structure tied to the land, it typically adds appraised value to the property itself, the way any home addition or new construction would. A tiny home on wheels is usually treated more like a vehicle for valuation purposes, it doesn’t add to your property’s appraised value the same way, but it also isn’t tied to that specific piece of land if your plans change.
Resale
Selling a tiny home on wheels works similarly to selling a vehicle or trailer, you’re selling the structure itself to a buyer who can move it. Selling an ADU or modular family home means selling it as part of the underlying property, since it can’t be separated from the land, which ties its resale directly to the real estate market in that location.
Which one fits you
If flexibility and a lower upfront cost matter most, a tiny home on wheels, like the models from Craftsman Tiny Homes, is usually the better starting point. If you’re adding long-term value to a property you already own or plan to keep, an ADU from a builder like Connecticut Tiny Homes is a stronger investment. And if you’re after a full, permanent primary residence, modular construction can scale all the way up to a real family home without sacrificing the speed and cost advantages of factory-built housing.