A 600 to 800 sq ft detached ADU starts at $196,000 for The Newfield and $252,000 for The Shapleigh. Published models run $147,000–$388,000.
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Multi-Generational Living: Why ADUs Are Booming in New Hampshire
NH homeowners are adding backyard cottages to house aging parents and adult children. Here's why the trend is accelerating.
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How Much Does an ADU Cost in Maine & New Hampshire? (2026 Pricing)
Real 2026 pricing for turn-key ADU builds in Maine and New Hampshire - The Bean starts at $147,000; The Ossipee starts at $388,000. Ten published models.
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