About ADU Colorado

Custom Accessory Dwelling Units — Denver & Front Range

ADU Colorado is Denver's premier builder of accessory dwelling units, specializing in factory-built modular ADUs that deliver superior quality in a fraction of the time. As a licensed modular installer with a Class A Contractor's License, we bring 20+ years of construction expertise to every project. Colorado's new ADU law (HB 24-1152) means homeowners across the Front Range can now build ADUs with streamlined permitting. Whether you want rental income, multigenerational living, or a private home office, we handle everything from zoning compliance to turnkey delivery — including optional Tesla Solar Roof and smart home integration.