ADU Locator

1 Best ADU Builders in Saint Paul, Minnesota

Verified ADU contractors and builders in Saint Paul, MN

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Custom Homes

With expert craftsmanship, carefully selected materials, and impeccable service, Custom Homes in Saint Paul, MN, can make your dream space a reality. We provide residential new construction and remodeling services, including additions, whole house remodeling, kitchens, bathrooms, porches, decks, roofing, windows, siding, and so much more.

(612) 788-9608
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Frequently Asked Questions — ADU Builders in Saint Paul

How much does it cost to hire an ADU builder in Saint Paul?

ADU construction costs in Saint Paul, Minnesota 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 Saint Paul to get accurate quotes for your specific project.

How long does it take to build an ADU in Saint Paul?

In Saint Paul, 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 Minnesota local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Saint Paul?

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

What types of ADUs can be built in Saint Paul?

Common ADU types in Saint Paul 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 Saint Paul ADU builder can advise on what's allowed on your specific parcel.