The answer to 'how much does roof replacement cost' is that the cost can vary significantly depending on several factors. Typically, roof replacement costs can range from $10,000 to $30,000 or more for an average-sized home. The exact cost will depend on the size and pitch of your roof, the type of roofing material used, the complexity of the job, and your location.
Factors that can influence the cost include the roofing material (asphalt shingles, metal, tile, etc.), the need for structural repairs, accessibility, and labor costs in your area. It's essential to get multiple local quotes from reputable roofing contractors to get an accurate estimate for your specific project.