Fiber optic cable installation costs average $4,500 for most homeowners, with most installations ranging from $1,500 to $7,000. This guide provides practical ranges in USD and practical price. Whether you're running fiber to a home or a data center, here's exactly what contractors are charging in 2026. fiber projects, we've assembled current material rates, labor burdens, and hidden fees. The main cost drivers are trench depth, fiber count and type (single-mode vs multi-mode), conduit requirements, and local permitting rules. The installation type you choose and the layout of your property determine the total labor and materials needed for your project.