Here is the 2026 benchmark for cost of laying fiber optic cable per foot by method: Open trench (lawn/field): $0. 80 per ft – fastest, lowest cost. Directional boring (road crossing, driveway): $3. This. If you install underground fiber, pricing your HDD work right is the fastest way to protect margins without sacrificing win rate. These fibers are thin strands, often as small as a human hair, that transmit data as pulses of light. However, compared with aerial. 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.