Adding an accessory dwelling unit is becoming one of the most popular ways to create extra space and boost property value in California. Many homeowners are using this opportunity to design guest suites, home offices, or even rental units right in their backyard. The process might seem complex at first — from design approvals to construction planning — but having the right guidance makes it easier. I recently explored thousand oaks adu, and their resources helped me understand the step-by-step approach to ADU development.