cost of converting basement to apartment
On average, fully converting a basement into a rental unit cost between $20,000 and $50,000 on the low end for only the basic necessities in 2011, according to BasementRefinshCost.com.ates Per Square Foot. To finish a basement in a basic method, equipping it with electricity, plumbing, walls and insulation, costs tended to run between $25 and $35 per square foot in 2011.