Why so Much Fuss About Prefab ADUs


There is no gain in emphasizing the importance of ADUs, as they are arguably the point between shelter and homelessness for many. Meanwhile, they also serve as legal sources of income for their owners.

That being said, it becomes imperative for many to probe into the efficiency of these ADUs. Are they sustainable, and are they safe for habitation?

This makes our discourse take a rather interesting turn, as we would do a brief deep dive into how constructing ADUs is possible. There are several ways of building an ADU. Still, in light of this conversation, two main methods will be highlighted, and they are the stick-built ADUs and the Prefabricated ADU, mostly known as prefab ADU.

Prefab ADUs and Stick Built ADUs

There has been so much fuss about one of the ways mentioned above of building ADUs, where many believe it is most efficient; others will argue that it is quite pocket straining. However, a quick head-to-head of the stick-built and prefab ADU might provide an int into which should make your top pick.

Prefab: what is prefab? These are majorly the types of buildings, or in this case, ADUs, that have been partially built in a factory and then set on an already made foundation. Simply put, they are, as the name implies, prefabricated.

Stick-built: stick-built ADUs are the traditional types of buildings because they are built on the foundation, and everything is done on-site. This is the more conventional approach to building, and people often venture into this type of building for DIY purposes.

Differences Between Prefab & Stick Built ADUs

These two are ways to construct accessory dwelling units and ultimately could be the significant ways of building some primary homes, but in light of this discourse, the focus will be placed on ADUs.

  • Prefabs are mostly built off-site and constructed on the client’s foundation.
  • Stick built are constructed on-site, from start to finish, they are regarded as the traditional ways of building.
  • Depending on the size of your ADU, the prefab can be cost-effective; if you intend to have a small ADU, the prefab could be cheaper. However, if you’re looking to build something big, the stick-built ADU might be cost-effective.
  • Where Prefabs are relatively quicker to construct and erect, for your accommodation purposes
  • The stick-built might take a while longer, given the prefab might take a few weeks; with the stick-built type, you might be looking at a couple of months.
  • Another notable difference is that where the prefab can be said to be rather temporal and movable in the future, with the stick-built, you have a more permanent building. Either of these could very much be pros or cons, depending on your viewpoint.


Those mentioned above are crucial in your decision-making regarding which option to choose, but a good majority of individuals like their stress-free lives. If you’re one of such, you might want to consider going prefab; if funds are a problem, you can do more research on how to finance an ADU. It remains imperative that before choosing to go prefab or stick built, there are many things to consider; for instance, if you live in an area prone to storms, you might want to go for the traditional type ADUs.

That said, endeavor to carry out extensive research that suits the ordinances of your locale and also environmental research before building or making plans about which way to go.

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