2026-09-04 7 min read
Here's what most homeowners don't realize about garage door springs: you're not paying for a tiny metal coil. You're paying for the specialized labor, safety knowledge, and liability insurance that comes with replacing one of the most dangerous components in your home. A snapped spring can cost anywhere from $200 to $600 depending on whether it's a torsion or extension spring, your door's weight, and who you hire. The spring itself might cost $50, but the expertise is where your money actually goes.
Your garage door likely has either a torsion spring or extension springs. Torsion springs sit above your door and twist to lift the weight. Extension springs run along the sides and stretch to do the same job. Torsion springs are pricier to replace (usually $300 to $500) because they require more precision during installation. Extension springs typically run $150 to $250 per spring, and many doors have two.
The reason for the cost difference? Torsion springs are wound under extreme tension and can cause serious injury or death if mishandled. Extension springs are slightly safer but still dangerous. This isn't a job for YouTube tutorials and a wrench from your toolbox.
You might find a spring online for $40 and think you're getting a deal. Then you realize you need special tools: a torsion spring winding bar (not standard), safety cables, a ladder, and a way to support a 300+ pound door while you work. One mistake and you're looking at a hospital visit or a damaged door that'll cost way more than $400 to repair.
A professional from Jamaica Plain Garage Doors comes with insurance, proper equipment, and a warranty on the work. That $400 estimate suddenly looks reasonable when you factor in what could go wrong.
Door weight matters most. Heavier doors need stronger springs. A single-car garage door typically weighs 300 to 350 pounds. A double-car can be 500 to 600 pounds. Heavier doors mean heavier springs, which cost more to replace.
Spring lifespan also affects total cost. Most springs last 7 to 9 years with normal use, roughly 10,000 cycles. If both springs fail within months of each other, many pros recommend replacing both at once (around $400 to $600 total) rather than replacing one now and the other later. That saves you a second service call.
**Need garage door springs in Jamaicaplain today?** Call +1 617 295 7410. we cover same-day service across the area.
Your door moves slowly or jerks. The door feels heavier than usual. You hear a loud bang or crack from the garage. One of the springs has already snapped visibly. These are all red flags that you need an estimate, not a repair kit.
If you notice a snapped spring, stop using your garage door opener immediately. The opener will strain trying to lift the full weight, and you'll end up replacing that too. If you're in Jamaica Plain or nearby areas like West Roxbury, schedule a free quote before the problem cascades.
Sometimes a single spring replacement makes sense. If one spring failed and the other is relatively new, replace just the broken one. But if your door is older than 8 years and both springs show wear, replacing both springs at once is smarter economics. You're already paying for the labor. Doing it twice costs roughly twice as much.
For a deeper look at this decision, check out our guide on repair versus replacement for garage door springs.
A reputable company will inspect your springs, measure your door, and give you a written estimate before touching anything. They'll explain whether you need one spring or two, and what type you have. If they pressure you into work you don't need or won't explain the cost breakdown, find someone else.
Many companies offer same-day service in Jamaica Plain and surrounding neighborhoods. If your door is stuck or broken, that speed matters. A broken spring can leave your car trapped inside and your home less secure.
Don't overpay for springs. Get two estimates, ask about warranties, and confirm the technician is licensed and insured. Your cheapest option today might be your most expensive option tomorrow.
Your garage door springs are critical safety components. A failed spring doesn't just inconvenience you; it can cause injury. If you've heard a loud bang, noticed your door moving unevenly, or suspect a snapped spring, contact us for a same-day inspection. Call +1 617 295 7410 or get a free estimate now. We'll tell you exactly what you need and what it costs.
How long do garage door springs actually last? Most torsion and extension springs last 7 to 9 years with normal use, or roughly 10,000 opening and closing cycles. Heavy use shortens that lifespan. Annual maintenance can help you catch wear before a sudden failure.
Can I replace just one spring if both are old? Technically yes, but both springs balance your door's weight. Replacing only one creates uneven tension and can damage your opener and tracks. If one is failed, the other is likely close behind.
Why is spring replacement so expensive compared to the part itself? Springs are under extreme tension and require specialized tools and training to install safely. The cost covers labor, equipment, insurance, and the technician's liability if something goes wrong.
What's the difference between torsion and extension springs? Torsion springs twist above your door and are more precise but harder to replace. Extension springs stretch along the sides and are slightly cheaper but still dangerous. Both require professional installation.
Does homeowners insurance cover spring replacement? Usually no. Spring failure is considered normal wear and tear. Some warranties from the door manufacturer or installer may cover it, but not insurance. Check your paperwork or ask when getting an estimate.