2025 Prefab ADU Costs: $180-$450 Per Square Foot
Prefab ADUs offer efficient expansion for rental income or family needs, yet 2025 pricing from $180 to $450 per square foot includes variables like permits and site work. This guide details real costs, breakdowns, and strategies to budget wisely, ensuring compliance, value appreciation, and a seamless build process.
Chris PorterDecember 22, 2025