About Us

Started in 2025, Windsor ADU’s is a division of Sovereign Developments, specializing in high-quality Accessory Dwelling Unit (ADU) construction throughout Windsor-Essex. Backed by Sovereign Development’s 35+ years of home-building experience, Windsor ADU focuses exclusively on designing, building, and optimizing ADUs to maximize property value and rental potential.

Whether you’re looking to create a rental unit, in-law suite, or a private guest house, Windsor ADU’s offers turnkey solutions tailored to fit your property’s needs. With a deep understanding of local zoning laws, permits, and building codes, we make the process seamless from concept to completion.
At Windsor ADU, we combine efficient layouts, high-quality craftsmanship, and modern designs to create functional and stylish living spaces that meet the growing demand for affordable housing and multi-generational living in Windsor-Essex.