The answer to the average cost of grout is that it can vary significantly depending on several factors. Grout prices typically range from $2 to $10 per square foot, with the average being around $4 to $6 per square foot for professional installation. The cost is influenced by the type of grout (sanded, unsanded, epoxy, etc.), the size and complexity of the project, the location, and whether it's a DIY project or requires professional installation.
For homeowners, getting local quotes from experienced grout cleaning and sealing professionals is essential to get an accurate estimate for your specific project. The cost can also be impacted by the condition of the existing grout, the amount of prep work required, and any necessary repairs or replacements.