The answer to 'asphalt shingles installation cost' is that the cost can vary widely depending on several factors. Typically, the cost of asphalt shingle installation for a typical residential roof can range from around $3,000 to $10,000 or more. The exact cost will depend on the size of your roof, the quality and type of shingles you choose, the complexity of the roof design, and your location.
Factors that can influence the cost include the number of layers of existing shingles that need to be removed, the need for any roof repairs or replacements, the accessibility of the roof, and the labor rates in your local area. It's essential to get multiple quotes from reputable roofing contractors in your local area to get an accurate estimate for your specific project.