Your ADU cost starts with the home, then adds the work your lot needs. We’ll walk you through our 2026 prefab prices, from $137,800 to $240,700, what delivery includes, and the costs your contractor quotes separately.
Category Archives: ADU
ADU stands for accessory dwelling unit. It is a second, smaller home on the same lot as your house, with its own kitchen, bathroom and entrance. Here we explain the types, local rules and prefab delivery costs.



















