Fiber optic cable installation costs average $4,500 for most homeowners, with most installations ranging from $1,500 to $7,000. Fiber Type and Count: Single-mode fiber typically costs $0. The main cost drivers include trenching or aerial deployment, materials, labor hours, and any required permits. You should account for permit. Whether you need singlemode, armored, or indoor plenum, this guide gives you the exact cost per foot of fiber optic cable — including installation — so you can budget without guesswork. Data aggregated from Q1 2026 contractor invoices across Texas, Ohio, and North Carolina.