Prefabricated ADUs, which are built off-site and in advance, are gaining popularity in California. For many, opting for a prefab unit has significant advantages over building from the ground up. While stick-built ADUs are often more customizable, prefabricated options are less pricey, quicker, and more convenient for the same quality of work.
Here’s an interesting post from San Francisco-based ADU company Habitat ADU. It outlines some of the reasons why factory built homes are gaining popularity: climate-controlled construction, faster build time, consistent standards, and proven expertise.