Accessory Dwelling Units (ADUs) have become a popular solution for homeowners seeking extra space, rental income, or flexible living arrangements. As the demand for ADUs grows, design trends evolve to meet the needs of modern lifestyles. In 2026, ADU designs focus on maximizing space, enhancing functionality, and blending style with sustainability. This post explores the top five ADU design trends that will shape the way these small homes are built and used. Fresh siding, cle