The price per foot includes the fiber itself, connectors, and basic installation factors, with main drivers being cable type, distance, and any required conduit or termination hardware. This article outlines cost expectations, price ranges, and practical savings. Commercial building installations with 100-200 network drops generally range from $15,000 to $30,000. Assumptions: short indoor runs, standard single-mode fiber, no major trenching. The installation type you choose and the layout of your property determine the total labor and materials needed for your project. Cost for fiber cabling projects.