ADU regulations refer to the rules governing the construction and use of Accessory Dwelling Units on residential properties. These regulations vary by location but generally include guidelines on size, height, and design to ensure that ADUs blend with the main home and surrounding neighborhood. They may also address parking requirements and occupancy limits. In many areas, homeowners must obtain a permit before building an ADU. Some regulations encourage the development of ADUs to increase affordable housing options and provide additional living space for family members or renters. Understanding local zoning laws is essential for compliance.