ADU Locator

1 Best ADU Builders in De Pere, Wisconsin

Verified ADU contractors and builders in De Pere, WI

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Adam Green Construction, LLC

Specializing in accessory dwelling unit construction for homeowners in the De Pere area, we help you add rental income or multigenerational living space to your property. From initial design through final inspection, our team manages every detail of building a compliant and quality ADU on your land.

+1 920-676-0357
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Frequently Asked Questions — ADU Builders in De Pere

How much does it cost to hire an ADU builder in De Pere?

ADU construction costs in De Pere, Wisconsin vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in De Pere to get accurate quotes for your specific project.

How long does it take to build an ADU in De Pere?

In De Pere, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Wisconsin local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in De Pere?

Yes, a building permit is required for ADU construction in De Pere, Wisconsin. Your ADU builder will typically handle the permit application as part of their service. Wisconsin has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.

What types of ADUs can be built in De Pere?

Common ADU types in De Pere include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local De Pere ADU builder can advise on what's allowed on your specific parcel.