Per-foot benchmarks help compare options: $0. 20/ft for cable, $8–$40/ft for trenching, and $60–$180 per labor hour depending on skill level and fusion requirements. These figures reflect typical U S prices before any permit waivers or incentives. Distance and path. Homeowners and businesses typically pay for fiber optic cable installation based on distance, conduit needs, and labor. Commercial building installations with 100-200 network drops generally range from $15,000 to $30,000. This comprehensive guide breaks down the factors influencing pricing, average expenses, and tips to get the best value in 2025.