Fiber-optic cable materials typically cost $1 to $6 per linear foot, depending on fiber count and cable type. Commercial building installations with 100-200 network drops generally range from $15,000 to $30,000. The main cost drivers are materials, installation time, and environmental factors that affect trenching, conduit, and terminations. This breakdown gives you real numbers to build better estimates. We'll show actual costs for. Whether you're planning a national fiber rollout or sourcing cables for enterprise infrastructure, understanding how fiber optic cable pricing works can help you budget more effectively and make better purchasing decisions. This guide outlines the major factors that influence fiber optic cable. How much does it cost to construct a fiber network? Anyone with experience in the field would first answer, “It depends,” listing factors affecting expenditures that include labor, underground vs. Some variables are less determinate. Typically, per drop fiber cabling prices range from $250 – $1000 per drop depending on the type of fiber (OM2, OM3, OM4, or OM5), multi or single mode, PVC or plenum, average drop length, and also the number of fibers in each cable.