2026-04-19 7 min read
A garage door spring failure is one of those repairs that sneaks up on homeowners. right up until the moment it doesn't. One morning your door feels sluggish, the next it won't budge at all, or you hear a sharp bang that sounds like a gunshot coming from the garage. If you live in Los Altos and your home is part of the post-war housing stock that defines so much of the city, there's a good chance your garage and its hardware have some age on them.
Los Altos saw explosive residential growth in the late 1940s and early 1950s, when new subdivisions filled with ranch-style houses were built on former apricot and cherry orchards throughout the area. Many of those homes. from North Los Altos to Woodland Acres to the Country Club neighborhood. still have original or early-replacement garage hardware that's long past its service life. Even homes that have been renovated often have springs that were last swapped out ten or fifteen years ago and are now quietly wearing down.
Here's what you need to know before your springs give out completely.
Your garage door, depending on size and material, can weigh anywhere from 150 to 300 pounds or more. Springs are the counterbalance system that makes it possible for a relatively small motor. or a single arm. to lift that weight smoothly. There are two main types:
Torsion springs mount horizontally above the door on a metal shaft. They store energy by winding tightly as the door closes and release it when the door opens. Most modern Los Altos homes with sectional doors use torsion springs.
Extension springs run along the sides of the door tracks and work by stretching and contracting. They're more common on older systems and lighter doors, and they're somewhat less durable than torsion springs.
Torsion springs are built to last roughly 10,000 to 20,000 cycles. that's 7 to 15 years of typical use. Extension springs tend to wear out faster. If you're not sure what you have, a technician from Garage Door Company Los Altos can identify your system and tell you how much life it likely has left.
Don't wait for a complete break. The signs often show up weeks before total failure:
- The door feels unusually heavy when you lift it manually. Springs are losing tension and no longer counterbalancing the door's weight properly. - Uneven movement. the door jerks, tilts, or one side lags behind the other when opening or closing. - The door won't stay open or drops faster than it should when closing. - Visible gaps or deformation in the spring coils. a gap in a torsion spring is a clear sign it has snapped. - Loud popping or grinding sounds during operation, which often signal a spring under severe stress. - Rust or corrosion on the coils. Los Altos has a Mediterranean climate with distinct wet winters, and moisture from the rainy season can cause springs to rust and degrade faster than in drier climates.
If your door has any of these symptoms, don't keep using the automatic opener. Running a broken or weakened spring repeatedly can burn out the opener motor and cause additional damage to cables, drums, and rollers. Review our guide to common garage door problems and solutions to help you pinpoint exactly what's happening before calling for service.
Cost is a reasonable thing to be upfront about. Here's what you can generally expect:
- Torsion spring replacement: $150,$350 per spring, including parts and labor - Extension spring replacement: $100,$200 per spring - Two-spring systems: $200,$400 to replace both. and yes, both should be replaced at the same time - Labor: Typically accounts for $75,$150 of the total
Because Los Altos is in the heart of Silicon Valley with a higher cost of living than most of the country, expect your quotes to land toward the upper end of those ranges, or occasionally above them for larger or custom doors. The large carriage house doors and oversize double-car setups common in neighborhoods like the Country Club area or along the Woodland Acres corridor often require heavier-duty springs that cost more.
If your springs are older and a technician also finds worn rollers, frayed cables, or loose hardware during the inspection, it's almost always worth addressing those at the same visit. Bundling repairs saves on labor, and it protects the new springs from taking on extra strain because of a separate failing component.
Yes. almost always. If you have a two-spring system and one breaks, the other is usually at a similar point in its wear cycle. Replacing just one leaves you vulnerable to a second failure in a few months. It costs less to do both at once than to pay for a second service visit.
Garage door springs are under extreme tension. enough to cause serious injury if they snap during handling. Torsion springs require specialized winding bars and precise calibration to match the door's specific weight. Improper winding doesn't just cause poor balance; it can result in a dangerous installation that fails suddenly and violently.
Some homeowners in Mountain View and Palo Alto have tried the DIY route after watching videos online, and a surprising number end up calling a professional anyway. sometimes after getting hurt, and often after making the problem worse. This is one of those repairs where the cost of hiring a pro is genuinely worth it for safety alone, not just convenience.
Visit our services page to see the full range of spring replacement options available for Los Altos homeowners, including same-day service for urgent situations.
Once your springs are replaced, a few simple habits keep them working longer:
1. Lubricate the springs twice a year with a lithium-based or silicone spray. This reduces friction and slows rust. important during and after Los Altos's wet winter months. 2. Test the door balance periodically. Disconnect the opener, lift the door manually to about waist height, and let go. It should stay in place. If it drops or rises, the springs need adjustment. 3. Schedule an annual inspection. A technician can catch early signs of wear before they become full failures.
For a broader look at what to inspect and when, check out our spring maintenance guide covering what to do year-round.
How long do garage door springs typically last in Los Altos? Most torsion springs are rated for 10,000 to 20,000 cycles, which translates to roughly 7,15 years of average use. Los Altos's wet winters can accelerate corrosion if springs aren't lubricated regularly, so real-world lifespan sometimes falls on the shorter end of that range.
Can I still use my garage door if a spring is broken? Technically the door may still move, but you shouldn't use it. Operating a door with a broken spring puts severe strain on the opener motor, cables, and other components. and dramatically increases the risk of injury or a secondary failure. Leave the door closed and call for service.
Is it worth upgrading to high-cycle springs when replacing? For most Los Altos homeowners, yes. High-cycle springs (rated for 25,000+ cycles) cost somewhat more upfront but last significantly longer, especially in homes where the garage is used as the primary entry point multiple times a day. The long-term savings on service calls make them worth considering.