We manufactures ADU (Additional Dwelling Unit) building kits that make construction faster and easier. Choose from three flexible options:

Kit

Our framing 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.

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Shell only

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

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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.

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