Custom ADU Floor Plans
Efficient and functional layouts customized to fit your property and lifestyle.

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Detached ADU
A private backyard living space designed for rental income, guests, or family use.

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Garage Conversion
Transforming an existing garage into a comfortable and fully functional living space.

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Attached ADU
An additional living unit designed to connect naturally with the existing home.

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From Plans to Completion
Hollander Group manages every stage, including design, blueprints, permits, construction, and final finishes.