Get matched with top home and garage organizers in Underwood, MN

For a garage to count as living space—and towards your home’s total square footage—it needs to be attached to the rest of your home and have permanent finishings such as proper insulation, finished walls and ceilings, and adequate ventilation. It also needs to be livable at all times of the year, so it should be heated if it gets cold in the winter and cooled for hot summers.

Costs depend on the scope of work, materials, permits, and labor. Common estimates range from $5,000 to $15,000 for substantial remodels.

Yes, you’ll need to get building permits from your local municipality to convert your garage to an ADU. You can get the work covered under a remodeling or general construction permit, which can include permission to run or extend utilities to the space to make it legal. If you also plan on renting the space, you’ll need to apply for a rental permit.

Most contractors aim for about a 20% profit on a job, leaving themselves room for unexpected expenses or delays. After accounting for materials, labor, and insurance, the profit margin for most contractors is between 10% and 20%. Fluctuating costs of materials and labor affect the ultimate percentage.