The answer to 'average cost of countertop' is that the typical range for countertop installation can vary widely, from $15 to $200 per square foot. The cost is influenced by factors such as the material (granite, quartz, laminate, etc.), complexity of the project, and your local market conditions.
Homeowners should get multiple quotes from local countertop installers to get an accurate estimate for their specific needs and location. The total cost will depend on the size of the countertops, any custom cuts or edges, and the labor required. While DIY installation is possible for some materials, it's generally best to hire a professional for a high-quality, long-lasting result.