We don't publish a flat price list here because spring size, opener model, and panel width all move the number, and guessing at a price without seeing the door does nobody any favors. What we can tell you is that Star households report a median income around $91,318, noticeably higher than the roughly $75,270 median across the broader service area, and that tends to show up in the kind of door and opener people choose when it's time to replace rather than repair - heavier insulated panels, quieter belt-drive openers, battery backup units. None of that changes what a spring replacement costs on a given door, but it does mean we see more requests here for full opener upgrades alongside a repair, not fewer.
We quote the job once we know the door in front of us. If a repair would cost most of what a new door runs, we'll say so - sometimes the honest answer is replacement, not another patch.