Cost guide
NH ADU cost guide
An architect-designed detached ADU from NH ADU Experts runs $184,000 to $483,000, all-in, across 10 models. Those aren't starting-at numbers. The guide below is the full table — size, beds, price, and what the price does and doesn't cover. It unlocks with your name and a phone or email.
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See every model and every all-in price.
The full lineup, what all-in covers, and what sits outside the price. Leave your name and a phone or email and it opens right here. We don't email you a PDF and we don't add you to a mailing list.