2026-03-23 6 min read
Most homeowners in Atherton don't think about their garage door springs until something goes wrong. That's understandable. springs are tucked above the door, out of sight, and when they're working properly you never notice them. But when one breaks, your day stops. The door won't open, and if you're inside the garage, you're stuck.
This post is about reading the warning signs before that happens, especially in a climate like ours on the San Francisco Peninsula where humidity and moisture quietly accelerate wear on metal components.
Springs are the mechanical backbone of your garage door. A standard residential door can weigh anywhere from 130 to 350 pounds depending on the material and size. Your opener motor alone can't handle that weight. the springs do most of the lifting by storing and releasing energy as the door moves.
There are two main types found in homes across Atherton and the surrounding area. Torsion springs mount horizontally above the door opening and wind tightly to store energy. Extension springs run along the side tracks and stretch as the door closes. Torsion springs are generally considered the better option. they're sturdier, last longer, and allow for more controlled motion with less wear on the opener.
Many of Atherton's larger estates, including the grand custom builds in West Atherton and along Stockbridge Avenue, feature oversized or double-wide garage openings with heavy custom doors. sometimes wood-clad or glass-paneled. Large or custom doors such as glass, double, or certain wood doors put extra strain on the springs, reducing their lifespan. If your home has one of these heavier doors, expect to monitor springs more actively than a standard suburban setup.
The average garage door spring lifespan is approximately 10,000 opening and closing cycles, and you can maximize that lifespan with regular maintenance. In practical terms, a household that uses the garage door twice a day will get around 14 years from a 10,000-cycle spring. but if the door opens and closes more frequently, the springs may only last five to seven years before needing replacement.
In Atherton, where many residents use their garage as their primary home entrance (particularly in neighborhoods like Lloyden Park with its more suburban layout), cycle counts add up faster than you'd expect.
The local climate is also a factor. Extreme temperatures and moisture are detrimental to garage door springs. moisture exposure causes corrosion that weakens the metal and reduces the spring's lifespan, and high humidity or frequent rain can cause springs to deteriorate faster. Atherton's rainy winters, centered around December through March, consistently expose springs to exactly these conditions.
For more on how the season-to-season weather shift affects your door system overall, see our post on preparing your garage door for cold weather.
This is the clearest early sign. Springs counterbalance the weight of the door. if lifting it manually feels harder than usual, the springs may be wearing out. Try this: disconnect your opener using the emergency cord and lift the door by hand to about waist height. Let go. A properly balanced door should stay put. If it drops, your springs are losing tension.
A broken torsion spring often makes a loud snapping sound when it breaks. many homeowners describe it as sounding like a firecracker or a gunshot. If you hear a bang from your garage and the door stops working, there's a very high probability a spring just snapped. Don't attempt to operate the door.
With torsion springs mounted above the door, you can often spot failure without any tools. A visible separation in the spring coil means it has broken and needs replacement. Look for a gap of an inch or more in the coil. that's a spring that can no longer do its job.
If your garage door tilts to one side as it rises, or one corner lags behind the other, that's a sign that one spring has lost more tension than the other. If one spring wears out faster, the door might look crooked or rise unevenly. This kind of imbalance also puts extra strain on your opener motor and cables, so it's not something to ignore.
For homeowners near the Bay Area coast, this one deserves special attention. When rust forms on the garage door springs, it can cause them to break and shorten their life cycle. while small amounts of rust can be scrubbed off, if your springs have considerable rust to the point of corrosion, you should opt to have them replaced instead.
Don't confuse surface discoloration with structural corrosion. A light dusty rust that comes off with a rag is different from pitting or flaking. the latter means the metal itself is compromised.
This comes up with every spring replacement, and the honest answer is: replace both. When one spring breaks, replace both at the same time. this prevents uneven wear and extends the life of the new spring. If one spring has worn down to the point of failure, the other is likely close behind. Paying for a second service call within the year isn't worth the short-term savings.
For tips on keeping the rest of your drive system in good shape alongside fresh springs, our chain maintenance guide is worth reading.
Garage door springs are under enormous stored tension. enough to cause serious injury if a coil releases unexpectedly during handling. Garage door springs operate under high tension, making them dangerous to replace without proper tools and training. a broken spring can release a sudden force strong enough to cause injury, and professionals have the experience and equipment to replace springs safely and ensure the door functions correctly and remains balanced.
Garage Door Company Atherton carries the right spring types for the wide variety of doors found across Atherton's neighborhoods, from standard residential models in Lloyden Park to oversized custom installations in West Atherton. If you're seeing any of the warning signs above, schedule a service call rather than waiting for a full failure. You can also visit our FAQ page for answers to common questions about spring types, costs, and what to expect during a repair visit.
Can I still use my garage door if one spring is broken? Technically the opener may still move the door, but you shouldn't operate it. The opener motor isn't designed to carry the full weight of the door alone, and doing so can burn out the motor or damage the cables. Disconnect the opener and call for service.
How do I know if I have torsion springs or extension springs? Look above the garage door opening when the door is closed. If you see a horizontal metal bar with a tightly wound coil spring running along it, those are torsion springs. If the springs run parallel to the horizontal tracks on each side of the door, those are extension springs.
Does Atherton's wet winter weather really make springs wear out faster? Yes. humidity, extreme temperatures, and other weather conditions can cause springs to rust or weaken faster. Bay Area winters aren't extreme by most standards, but the consistent moisture from October through April creates real cumulative wear on any unprotected metal hardware. Regular lubrication is the most effective countermeasure.