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ADU Permit Costs Often Exceed Builder Estimates
Planning an ADU or backyard studio in 2025? Expect permit costs between $2,700 and $23,000, shaped by project scale, utilities, and regional regulations. This guide details the process, from plan reviews to inspections, highlights pitfalls, and offers strategies for DIY or professional help to maintain compliance and control expenses.
By John Penick
5 min read