ADU Sitework and Utility Connection Cost
Budget the site and infrastructure outside an ADU itself, including access, grading, foundation preparation, water, wastewater, electrical, trenching, delivery, and restoration.
Cross-category index
ADU-Cost
Browse 2 guides connected by tag “ADU-Cost”. Use the category label on each result to keep the project scope clear.
Detached ADU Cost: Backyard Cottage and Garden Suite Economics
Estimate a detached ADU by separating the building from site preparation, foundation, access, utility connections, approvals, and restoration.