Use this tool to estimate the cost to build an adu. These costs include design costs, permit costs, utility connection costs, and all construction costs. You can cut down overall expenses substantially
什麼是價值投資？
Successful adu projects rely on detailed research and smart decisions.
Explore 2026 adu costs, essential design advice, and budgeting strategies for your backyard project.
Discover the key factors that influence pricing, from permits to construction. For a new construction adu, homeowners can anticipate average total costs ranging between $146,500 and $216,500. Learn 2025 costs by size, type, and location with smart tips to save money and boost home value. And, just as importantly, these costs also include the homeowner’s estimation of their sweat equity.
How much does it cost to build an accessory dwelling unit (adu)? Wondering about the cost to build an adu?
