ADU Cost in Orange County (2026): Garage Conversion vs. Detached Build
Building an accessory dwelling unit (ADU) in Orange County costs between $80,000 and $400,000+ in 2026, depending on whether you convert an existing garage or build a detached unit from the ground up. Among full, independent units, garage conversions are the most affordable path, typically running $80,000 to $150,000, while detached new construction ranges from […]