The cost to install wallpaper varies based on factors like wall size, wallpaper type, and project complexity. On average, homeowners can expect to pay between $300 and $1,000 for an average-sized room, including labor and materials. In cities like Asheville, prices may be higher due to local market conditions. To get the best value, obtain quotes from multiple installers, ensuring they include all costs such as preparation, installation, and any necessary repairs.