
Prefab vs. Custom ADU in Ventura County: 2026 Guide
Prefab ADU vs custom ADU in Ventura County 2026 β prefab runs $80Kβ$180K installed, custom runs $140Kβ$300K+. Both need the same permits. Side-by-side cost breakdown, timelines, city-by-city permit notes (Simi Valley, Thousand Oaks, Moorpark, Camarillo, Oxnard), HOA considerations, ROI comparison, and 7-question FAQ.
Read Full Guide



























































































































