How much does an ADU cost in San Diego?

ADU costs in San Diego range from $150,000 to $350,000 for a detached unit.

How long does it take to get an ADU permit?

ADU permits in San Diego typically take 60-120 days for approval.

Published May 13, 2026 by Cali Dream Construction

Expert guide on how to build an adu in san diego: a step-by-step guide.

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