The cost of a metal barn with living quarters can vary depending on factors such as size, materials used, location, and additional features. On average, you can expect to pay anywhere from $30,000 to $70,000 for a basic metal barn with living quarters. However, this cost can increase significantly if you opt for customizations, high-end finishes, or specific design elements. It is recommended to get quotes from different suppliers and contractors to get a more accurate estimate based on your specific requirements and budget.