When a garage door spring snaps, you usually hear it: a loud bang like a firecracker, followed by a door that suddenly weighs a couple hundred pounds. The typical garage door spring repair cost runs between $180 and $350 for a single spring replaced by a professional, with most homeowners landing right around $250. That figure covers the part, the labor, and a quick balance adjustment. What throws people off is that springs almost never fail alone, and the “one spring” quote can double fast.
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I have swapped hundreds of these springs over the years, and the pricing follows a predictable pattern once you understand what you actually own. Below is a breakdown you can take to any technician’s quote and know whether you are being treated fairly.
- Torsion Springs vs. Extension Springs
- Single Spring vs. Replacing Both
- Single-Car vs. Double-Car Door Pricing
- What Else the Technician May Recommend
- Can You Do It Yourself?
- How to Keep Your Quote Honest
- Budgeting the Whole Job
- Signs Your Spring Is About to Fail
- Torsion Spring Sizing and Cycle Ratings Explained
- Getting Multiple Quotes
Torsion Springs vs. Extension Springs
Your door uses one of two systems, and they price differently. Torsion springs mount horizontally on a metal shaft above the door opening. They are the more common and more durable choice, rated for 10,000 to 20,000 cycles, and they cost more to replace because they hold enormous stored energy and require winding bars and skill.
Extension springs run along the horizontal tracks on either side of the door and stretch as the door lowers. They are cheaper, older technology, and slightly more dangerous when they fail because a broken one can whip across the garage. Here is how the parts alone shake out:
- Torsion spring (part only): $40 to $110 each
- Extension spring (part only): $15 to $45 each
- Heavy-duty or oversized torsion spring: $90 to $150 each
Labor is where the real money sits. Expect $100 to $200 in labor for a torsion job because it demands specialized tools and carries genuine injury risk. Extension spring labor is a bit lower, often $75 to $150.
Single Spring vs. Replacing Both
Nearly every experienced tech will tell you to replace springs in pairs, and it is not an upsell scam. Both springs on your door were installed the same day and have gone through the same number of cycles. If one has fatigued to the breaking point, the second is right behind it, usually within a few months. Paying a second $100 service call to swap the survivor is false economy.
Replacing both torsion springs typically runs $250 to $500 installed. A double-car door with heavier springs can push toward $550. The incremental cost of the second spring is small once the technician is already on site with the door apart, which is exactly why bundling makes sense.
Single-Car vs. Double-Car Door Pricing
Door size drives spring size, and spring size drives price. A standard single-car door around 8 or 9 feet wide uses lighter springs and lands at the low end of every range. A 16-foot double-car door needs beefier springs to counterbalance 150 to 200 pounds of panels, so both the parts and the labor climb.
- Single-car door, one spring: $180 to $280
- Single-car door, both springs: $250 to $400
- Double-car door, one spring: $220 to $340
- Double-car door, both springs: $300 to $550
What Else the Technician May Recommend
When the door is open on the bench, a good tech inspects the whole counterbalance system. A few parts commonly wear out alongside springs, and addressing them during the same visit saves a future service fee:
- Cables: $15 to $40 per pair, plus $30 to $60 labor if not bundled
- Center bearing plate: $15 to $40
- End bearings: $5 to $15 each
- Rollers (set of 10): $30 to $75, worth doing if yours are the loud steel factory rollers
Do not feel pressured into a full overhaul, but if your door is 12 years old and the rollers sound like a freight train, spending an extra $60 while the tech is there is smart money.
Can You Do It Yourself?
I get this question constantly, and my honest answer is: extension springs, maybe; torsion springs, only if you fully respect them. A torsion spring under tension stores enough energy to break a wrist or worse if a winding bar slips. The part costs $40 to $110 and a proper set of winding bars runs about $20 to $30, so a DIY torsion job might total $80 to $150. That saves you $150 or so, but the margin for error is thin.
If you go the DIY route, buy the correct spring by measuring wire diameter, inside diameter, and overall length, and match the wind direction. Use two real winding bars, never screwdrivers. Keep your face out of the spring’s plane at all times. If any of that makes you nervous, the $250 professional job is cheap insurance.
How to Keep Your Quote Honest
Before you call, note whether your door has one spring or two, and roughly measure the length. When the technician arrives, ask for the cycle rating of the replacement spring. A standard 10,000-cycle spring lasts about seven years with normal use; a 20,000-cycle spring costs $15 to $30 more per spring but can double the lifespan, which is the better value if you use the door multiple times daily.
Watch for two red flags. First, a quote that mysteriously balloons after work begins with no clear explanation. Second, a tech who insists on replacing the opener, tracks, and panels for a simple spring break. A snapped spring does not require a new door. A trustworthy quote itemizes parts and labor separately.
Budgeting the Whole Job
For planning purposes, set aside $250 to $400 for a typical repair on a single-car door with both springs done and a couple of minor parts refreshed. For a double-car door, budget $350 to $550. Add a $75 to $125 emergency or after-hours surcharge if your door is stuck and you need same-day service on a weekend.
Signs Your Spring Is About to Fail
Springs rarely die without warning, and catching the symptoms early lets you schedule the repair instead of getting stranded with a stuck door. Watch for a door that feels much heavier than usual when you lift it manually, or an opener that strains, stutters, or trips its safety reverse partway up. A door that opens crookedly, with one side lagging, often points to a spring losing tension.
Look at the springs directly, too. A torsion spring that has broken shows a visible one- to two-inch gap in the coil. Rust between the coils accelerates fatigue and squealing, so a spring that has gone orange and noisy is on borrowed time. If you hear a loud bang from the garage and then the door will not open with the remote, a snapped spring is almost always the answer, not a dead opener.
Torsion Spring Sizing and Cycle Ratings Explained
When a technician orders your replacement, three measurements determine the correct spring: wire diameter, inside diameter, and length. Wire diameter is measured across 10 or 20 coils and divided out for accuracy, and even a hundredth of an inch off changes the spring’s rating dramatically. Inside diameter is stamped on the winding cone in many cases, commonly 1 3/4 or 2 inches. Get any of these wrong and the door will be over- or under-sprung, straining the opener and wearing everything faster.
Cycle rating is the real value conversation. A single open-and-close counts as one cycle. A standard 10,000-cycle spring gives roughly seven years at four cycles per day; a family that runs the door eight times a day burns through that in under four years. Stepping up to a 20,000- or even 30,000-cycle spring adds only $15 to $40 per spring but can double or triple the lifespan. If your garage is the main entrance to your home, the high-cycle upgrade is the single best value in this whole repair.
Getting Multiple Quotes
Spring pricing varies enough between companies that a few phone calls can save you $100. Ask each company for an out-the-door price that includes the part, labor, and a balance adjustment, and confirm whether their quote assumes one spring or two. Beware the too-good-to-be-true $49 or $69 advertised spring special; those numbers almost always balloon once the tech arrives and “discovers” you need premium springs, new cables, and bearings. A fair, honest company gives you a realistic range over the phone and does not pressure you into replacing the entire door for a broken spring.
Springs are wear items, not a sign that your whole door is failing. Replace them promptly, do them in pairs, and match the cycle rating to how hard you use the door. Handled that way, the money you spend now buys another seven to fourteen years of a door that opens smoothly and, just as importantly, does not come crashing down on your car or your foot.