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Expert guides, zoning updates, and everything you need to know about building an ADU in New York City.

Building an ADU in Manhattan: What You Need to Know in 2026

Manhattan has the fewest ADU-eligible properties of any borough due to its density and building types. Here's what Manhattan homeowners need to know about ADU eligibility, options, and alternatives.

By NYC ADU TeamMarch 22, 2026

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