Cost to build accessory dwelling unit in Minnesota
Last updated: September 24, 2026
Thinking about an accessory dwelling unit in Minnesota? We serve Minneapolis and surrounding areas. Minnesota has cold winters and warm summers. This weather impacts building schedules and material choices.
Choose your city
Building an ADU in Minnesota means planning for harsh winters. Snow and freezing temperatures can pause construction. Working with local rules in Minneapolis is key. Permitting can vary by city. We help you understand these steps.
Common questions
What is the cheapest way to build an ADU?
What does ADU stand for?
ADU stands for Accessory Dwelling Unit. It's a second, smaller home on your property. Think of it as a backyard cottage or garage apartment. These units add living space and value.
Are ADUs allowed in Minnesota?
Yes, ADUs are allowed in many Minnesota cities. Rules can differ, especially in Minneapolis. We help navigate local zoning. Many homeowners are adding ADUs for rental income or family.
What is the most expensive part of building an ADU?
Foundation work and structural framing are often the most costly. Plumbing and electrical hookups also add up. Labor costs and material choices impact the total price. We provide a clear quote for your project.
How much does it cost to build an ADU in Minneapolis?
What is the cheapest way to build an ADU?
Useful reference: HUD ADU resources — ADU policy and financing research.