Can I legalize an as-built structure into a permitted ADU?
It may be possible to legalize an existing structure (like a guesthouse, a garage, or a basement) into an ADU. Depending on the location and current situation, the process can be quick and straightforward, or complex, lengthy, and expensive.
![Conversion of an existing structure into a legal ADU](/_next/image?url=%2Fimages%2Fca-adu.com-conversion-of-existing-structure-to-adu.png&w=1200&q=75)
The existing structure must meet all applicable building codes and zoning regulations. It may be necessary to make structural upgrades or improvements to ensure compliance with contemporary standards.