2026-04-04 7 min read
It usually happens without warning. You press the opener button in the morning and hear a loud bang. like a gunshot from inside the garage. Or the door goes up a few inches and then strains, shudders, and stops. Either way, you've almost certainly got a broken garage door spring, and your car is either trapped inside or your garage is stuck open while you're trying to get to work in Richmond or make a school run across San Pablo.
Broken springs are the single most common garage door repair call we handle, and for good reason. Springs are the hardest-working part of the entire system. Every time your door opens and closes, those springs absorb and release the full weight of the door. which can be anywhere from 100 to 300+ pounds depending on the material and size. In a household that uses the garage door as a primary entry point (and most San Pablo households do), that adds up to thousands of cycles a year.
Before we talk about cost and what to expect during a repair, it helps to understand which type of spring your door uses. because they're very different in how they work, what they cost, and how long they last.
Torsion springs are the most common type on modern sectional garage doors. They mount horizontally above the door opening on a metal shaft, and they work by twisting (torquing) to store energy. When the door closes, the spring winds up. When you open it, that stored tension does the heavy lifting. Most double-car garage doors use two torsion springs side by side.
Torsion springs typically last 7 to 10 years under normal use, though in the Bay Area's damp winters and salt-air conditions, that lifespan can be shortened by corrosion. especially on springs that haven't been lubricated regularly. When a torsion spring breaks, you'll often hear that loud bang, and the door will usually drop or become extremely heavy to move manually.
Extension springs run along the horizontal tracks on either side of the door. They stretch (extend) as the door closes and release that energy to help lift it. You'll see these more often on older one-car garage doors. many of the ranch-style and post-war homes in San Pablo's established neighborhoods still have them. Extension springs have a shorter lifespan than torsion springs and, because they stretch rather than twist, are more prone to snapping unexpectedly.
If your garage has extension springs, make sure they have safety cables threaded through them. These cables catch the spring if it snaps and prevent it from flying across the garage. If yours don't have them, that's worth addressing immediately. it's a straightforward safety upgrade.
Here's the honest answer: in the Bay Area, spring replacement costs more than the national average, and you should expect that going in. Labor rates and overhead are higher than in most of the country, and that's reflected in service pricing.
For torsion spring replacement, Bay Area homeowners can typically expect to pay in the range of $200 to $500 for a single spring, inclusive of parts and labor. Double-spring replacements run higher. For extension springs, costs are generally lower. roughly $120 to $200 per pair. but they don't last as long, so you may face the same repair again sooner.
A service call fee of $75 to $100 is standard and usually applies toward the total repair cost. Same-day or emergency service will cost more, so if your spring gives you any warning signs. sluggish movement, a door that feels heavier than usual, visible rust on the coils. it's worth scheduling a non-emergency inspection before it fails completely. Learn to recognize those early signals with our guide to warning signs your garage door needs professional repair.
We'll be direct about this: garage door spring replacement is not a safe DIY project for most homeowners. Torsion springs are under enormous tension even when the door is closed. enough to cause serious injury if released suddenly or improperly. Professional technicians use specialized winding bars and follow a precise sequence to safely release and re-tension the spring. Getting it wrong doesn't just mean a broken door; it means real physical risk.
Extension springs carry similar risks. If you're comfortable doing your own maintenance like lubrication and visual inspections (and you should be. see our service areas page to confirm we cover your neighborhood), spring replacement is where to draw the line and call someone in.
When Garage Door San Pablo arrives for a spring repair, here's what to expect:
1. Visual inspection of the full system. not just the spring, but cables, rollers, drums, and the opener. A broken spring sometimes masks other worn parts that would fail within months anyway. 2. Confirmation of spring type and specifications. getting the right spring for your door's weight and size matters. An undersized spring will wear out faster and put extra strain on your opener motor. 3. Safe removal and replacement. using proper tools and safety protocols. 4. Balance test. after installation, a properly balanced door should stay put at about waist height when opened manually and released. If it shoots up or drops, the tension needs adjustment. 5. Lubrication and hardware check. a good technician will hit the rollers, hinges, and cables with lubricant before leaving.
The whole visit typically takes about an hour to two hours. If you're also considering upgrading your opener or addressing other issues found during inspection, ask about bundling that work. you'll save on a second service call. You can also explore what a full tune-up covers on our FAQ page.
If you have a double-car garage with two torsion springs and one breaks, the practical advice is to replace both at the same time. The springs were installed together and have the same number of cycles on them. if one has failed, the other is likely close behind. Replacing both at once saves you a second service call fee within a year and keeps the door balanced.
The same logic applies to extension springs: they always come in pairs, and replacing just one creates an imbalance that strains the opener and the door hardware.
Q: My garage door still opens but it seems really slow and heavy. Is the spring the problem? A: Possibly. A spring that has lost tension. but hasn't fully broken. will make your door feel heavier than normal and cause the opener motor to strain more than usual. You might hear it laboring or see the door move slower than it used to. Don't ignore this. A spring that's lost tension is a spring that's about to go, and a failing spring puts unnecessary wear on your opener. Get it checked before it becomes an emergency.
Q: How long will my new springs last? A: Standard torsion springs are rated for around 10,000 cycles, which translates to roughly 7 to 10 years for an average household. Higher-cycle springs (25,000,50,000 cycles) are available at a higher upfront cost and make sense if you use your garage door heavily or just want fewer repairs over the long run. Ask about this option when getting a quote.
Q: Can I just adjust the tension on my existing spring instead of replacing it? A: If the spring is intact and has only lost some tension, an adjustment is sometimes possible. but this is still not a DIY task, as it involves the same tools and risks as full replacement. If the spring shows visible corrosion, deformation, or any sign of cracking, adjustment isn't the right call. Replacement is the safer and more cost-effective long-term answer.