2026-04-16 7 min read
It usually happens at the worst possible time. you press the button on your way to work, the opener hums, but the door barely budges. Or you hear a loud bang from the garage in the middle of the night. Nine times out of ten, that's a broken spring. For Santa Rosa homeowners, garage door spring failure is one of the most common service calls we see, and it's one of the few repairs where attempting a DIY fix can land you in the emergency room.
Here's a no-nonsense guide to understanding springs, spotting failure before it happens, and knowing what to expect when you call for service.
Your garage door. whether it's on a ranch house in Rincon Valley or a newer rebuild in Coffey Park. likely weighs between 150 and 300 pounds. The springs are what make it feel light when you lift it manually. They store mechanical energy when the door closes and release it to help the opener (or your arms) raise the door back up.
There are two main spring systems you'll encounter:
Torsion springs mount horizontally above the door opening and coil around a metal rod. They're the more modern design. found on most doors built or replaced in the last 15,20 years. They offer smoother, more balanced lifting and tend to last longer. Most modern garage doors use torsion springs because they offer better durability, improved balance, and quieter performance.
Extension springs run along the sides of the door tracks and stretch when the door closes. They've been around for decades and are still common in older Santa Rosa homes. think the mid-century ranch-style properties in Bennett Valley or the older homes near the Junior College neighborhood. Extension springs are less expensive upfront but have a shorter lifespan and pose a greater safety risk when they snap.
Don't wait for a complete failure. Watch for these signals:
- The door feels heavy. If disconnecting the opener and lifting manually feels like a real workout, the spring tension is likely compromised. - Visible gaps or separation. A torsion spring that's broken will have a visible gap in the coil, usually a few inches wide. - Uneven movement. If one side of the door rises faster than the other, a spring may be losing tension or has already broken. - Loud bang from the garage. Springs under high tension snap with a sharp crack. many homeowners mistake it for something falling off a shelf. - The door won't stay open. A properly balanced door should stay up when raised manually. If it drops, the springs aren't doing their job.
For a broader look at when your entire door system may be struggling, see our guide on signs you need a garage door replacement.
For most Santa Rosa homeowners choosing a replacement, here's the practical breakdown:
| | Torsion | Extension | |---|---|---| | Lifespan | 10,000,20,000 cycles (8,15 yrs) | 5,000,15,000 cycles (7,12 yrs) | | Cost (installed) | $150,$350 per spring | $100,$200 per spring | | Safety | Higher. contained if it breaks | Lower. can snap and fly | | Best for | Heavier, modern doors | Older, lighter doors |
If your home was rebuilt after the 2017 Tubbs Fire. which devastated Fountaingrove, Coffey Park, and parts of Larkfield-Wikiup. your door almost certainly uses torsion springs, as modern construction strongly favors them. If you're in an older home that hasn't had the door replaced in 20+ years, you may still have extension springs.
When one spring breaks, most techs will recommend replacing both at the same time. Since garage door springs typically have a similar lifespan, replacing only one spring can lead to uneven wear and imbalance, causing strain on the opener and other components. It's not upselling. it's practical advice that saves you from a second service call a few months later.
We get it. you're handy. You've changed your own brakes, replaced a water heater, maybe even done some framing work. But garage door spring replacement is genuinely dangerous, and not in a "be careful" way. Springs are under tremendous pressure when the door is closed. A torsion spring that releases incorrectly can cause serious injury. Professional installation is strongly recommended due to the high tension and safety risks involved, especially for torsion springs, which require specialized tools.
This is one job where the labor cost. typically $75,$150. is absolutely worth it. You can review the full range of services we provide to get a sense of what a professional spring replacement involves.
A spring replacement is usually a same-day job. A technician will:
1. Confirm the spring type and size required for your specific door weight 2. Safely release any remaining tension in the old spring(s) 3. Install new springs, check cable condition, and test door balance 4. Lubricate and inspect rollers and hardware while they're there
If during the appointment they spot worn cables or damaged hardware, ask about bundling those repairs. it's almost always cheaper than a separate service call. You can schedule your appointment online to get on the calendar quickly.
Santa Rosa's Mediterranean climate. wet winters and warm, dry summers. is relatively spring-friendly compared to regions with harsh freezing temperatures. That said, the wet season from November through March does introduce moisture into garages, which accelerates rust on spring coils. A simple preventive step: apply a garage-door-specific lubricant spray (not WD-40) to the spring coils twice a year. once before the rainy season starts, and again in spring. This keeps corrosion at bay and extends the life of your springs noticeably.
For a complete seasonal care routine, our garage door maintenance tips post covers everything from lubrication schedules to hardware checks.
Q: How long do garage door springs last in Santa Rosa? A: Torsion springs typically last 8,15 years or 10,000,20,000 open/close cycles, while extension springs usually last 7,12 years. If your household uses the garage as the main entry point (4,6 cycles per day), you'll be on the shorter end of that range.
Q: Can I still use my garage if a spring is broken? A: Technically you can manually lift the door, but it'll be very heavy and you risk damaging the opener motor or cables by forcing it. It's best to leave the door down and call for service rather than risk further damage or injury.
Q: Is it worth upgrading from extension springs to torsion springs? A: For most Santa Rosa homeowners, yes. especially if you have an attached garage. Converting from extension to torsion springs costs $400,$800 but delivers improved safety, smoother operation, and a longer lifespan. It's a solid investment if your current springs are already at end of life.