Prefab ADU Costs Drop to $140K in 2025
In 2025, prefab ADUs start at $140,000 and range up to $320,000, delivering quick builds and solid investment returns. Factors like size, materials, and location drive variations, with projects typically completing in three to six months. Discover planning tips, installation essentials, and maintenance advice to maximize your backyard addition.
By Rod Kerby
5 min read