The answer to 'average cost of roof installation' is that the typical range for a new roof installation can vary significantly, but generally falls between $10,000 to $30,000 for most homes. The cost is influenced by factors such as the size of the roof, the type of roofing material used (e.g. asphalt shingles, metal, tile, etc.), the complexity of the roof design, and the local labor and material costs in your area.
It's important to note that getting multiple quotes from local roofing contractors is essential, as pricing can vary widely based on your specific home and location. The best way to get an accurate estimate is to schedule a consultation with a reputable roofing company in your area.