Yes, in many situations a well-designed casita or ADU can increase overall property value by adding livable square footage, flexibility, and long-term use potential.
The amount of value depends on the property, the quality of the build, the layout, and how naturally the new space fits the home and site. A detached ADU that feels intentional can create both practical use and stronger resale appeal.
Value comes from more than square footage alone. Design quality, usability, privacy, and how the structure integrates with the property all matter.
Homeowners often move forward because a strong ADU can serve family needs now while also improving the overall utility and marketability of the property later.
A builder who can explain the process clearly usually creates a much smoother project experience.
