How much it is to replace a garage door cable depends on whether you hire a professional, which is strongly recommended due to high tension, and whether springs also need replacement. For professional service, replacing a single garage door cable typically costs 75 to 200 dollars total, including service call fee of 75 to 150 dollars plus cable and labor. Replacing a pair of cables, which is recommended to ensure even lifting and balance, costs 100 to 250 dollars total including parts and labor. The cable itself is inexpensive, costing 15 to 40 dollars per pair for galvanized aircraft-grade cable at Home Depot, Lowes, or online, but the labor to safely release spring tension, reseat cables on drums, and re-tension springs accounts for most cost. If the cable broke because the torsion or extension spring also broke, which is common since loss of spring tension causes cables to fall off, you will need spring replacement too, bringing total cost to 250 to 600 dollars for springs plus cables. Emergency or same-day service adds 50 to 100 dollars. DIY replacement costs only parts plus winding bars costing 20 to 40 dollars, but is dangerous because torsion springs store hundreds of pounds of torque and incorrect installation can cause door to fall and cause severe injury. Getting multiple estimates ensures fair pricing and correct cable length for door height.
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