Prefabricated ADU Solutions, We build the shell, you finish it. Inspired by simplicity

Full build service

Leave everything to us! Our full build service covers: Land preparation Concrete footings Electrical, plumbing, and drainage work Installation and inspections WB4L makes building your ADU simple and stress-free.

Shell only

Get started quickly with our shell-only package, which provides a fully enclosed structure in an easy-to-assemble format.

Kit

Our prefab kits include: • Prefabricated walls • Engineered trusses, joists, and floor cassettes • Custom windows and doors Delivered in a panelized format, they simplify and speed up the building process..