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Accessory Dwelling Unit (ADU)
Overview of Accessory Dwelling Units (ADU)
AIM Services, Inc. and the New York Alliance for Inclusion and Innovation developed this two-page overview of accessory dwelling units in New York State. Check out this resource for information on ADU types, costs and planning considerations, and funding sources.
Further Learning
City of Yes for Housing Opportunity: An Illustrated Guide
New York City Planning produced this illustrated guide to highlight zoning reform proposals that will address housing shortages in every neighborhood of NYC. This proposal includes options for ADUs in one- and two-family homes in all low-density districts. Explore the guide to learn more.
Plus One ADU Program
New York State's Plus One ADU Program offers grants to create and improve ADUs. The program also supports low- and middle-income single-family homeowners to build a new ADU on their property, improve an existing ADU, or bring unpermitted units into compliance with local and state codes. Explore this resource to learn more.
All About Accessory Dwelling Units
AARP provides a page of resources to learn more about ADUs, including free print and dowloadable publications.
ADU Homes: What is Universal Design?
In this article, ADU Homes describes the benefits of universal design in the construction of ADUs to support people to age in place.
ADU Frequently Asked Questions
Modern ADU Plans provides answers to an extensive list of frequently asked questions about designing, funding, and constructing an ADU. Visit their website to learn more.

