You pressed the wall button this morning, heard a bang like a gunshot from the garage overnight, and now the door either will not move or the opener strains and stops. That bang was almost certainly a spring. The question everyone asks next is the garage door cost spring replacement runs in this area, and the honest answer for most homes around Newton is $250 to $550 for a standard single-car door with one torsion spring replaced, and $350 to $700 when a two-car door needs a matched pair. Extension springs usually land lower. A written quote is confirmed on site once we weigh the door and measure the spring, because two doors that look the same from the street can need very different parts.
Garage door cost: spring replacement ranges you can plan around
These are the ranges we see on everyday residential work in Newton, Brookline, Needham, Watertown and the surrounding towns. They include parts, labor, and a basic balance and safety check on the same visit.
| Job | Typical installed range | Notes |
|---|---|---|
| One torsion spring, single-car door | $250 - $450 | Most 8x7 and 9x7 doors |
| Pair of torsion springs, two-car door | $350 - $700 | 16x7 doors, insulated doors at the higher end |
| Pair of extension springs | $200 - $400 | Includes safety cables if missing |
| High-cycle torsion springs (upgrade) | add $100 - $250 | Rated for roughly 2-3x the normal life |
| Springs plus cables and drums | $450 - $800 | Common when the door came off track |
| Convert extension to torsion system | $500 - $900 | New shaft, bearings, brackets, springs |
| Oversize, wood, or carriage-house doors | $600 and up | Heavy doors need custom-wound springs |
If someone quotes you $99 over the phone for a spring, ask what that covers. It is usually a service call fee with the parts billed separately once the truck is in your driveway.
Why torsion and extension springs are priced differently
Torsion springs sit on a steel shaft above the door opening. They are heavier steel, they carry the whole weight of the door, and they require winding bars and correct torque to install. The part itself costs more and the labor is more skilled, so the price is higher.
Extension springs stretch along the horizontal tracks on each side. They are cheaper to buy and faster to swap, which is why older homes with this system see lower bills. The trade-off is that extension springs need safety cables running through them. Without that cable, a snapped spring becomes a projectile. If your door has extension springs and no safety cables, we add them, and the cost is small compared to the risk.
Does spring size matter to the price?
Yes. A spring is specified by wire diameter, inside diameter, and length. A heavier, longer spring for an insulated 16-foot door costs noticeably more than a light spring for a thin single-car door. We measure all three before quoting, and on doors where the original spring was undersized from the builder, we size it correctly instead of matching a part that was wrong from day one.
What pushes the price up
- Door weight. Insulated steel, solid wood, and glass-panel doors need stronger springs.
- Two springs instead of one. Most two-car doors use a pair, and they should be replaced together.
- Worn cables and drums. When a spring lets go, the cables often jump the drums and fray. Frayed cable gets replaced, not reused. See cable repair for what that involves.
- Seized center bearing or end bearing plates. Cheap parts, but they have to come off the shaft, which adds time.
- Door came off the tracks. That is a separate repair stacked on top of the spring. Our off-track door repair page explains why.
- After-hours or weekend calls. Emergency visits carry a premium. If the car is stuck inside and you need it today, 24/7 emergency repair is the right call.
One spring or both?
If your door has two torsion springs and one broke, replace both. The second spring has the same cycle count and is weeks or months behind the first. Doing one now and the other later means paying a second service call, and running a mismatched pair puts uneven load on the shaft and bearings. Replacing both at once usually costs only about $80 to $150 more than doing one, because the labor is already on site.
The same logic applies to extension springs. They are always replaced in matched pairs so the door lifts evenly.
What a fair quote includes
When we quote a spring job, the number covers the springs, the labor to install and wind them, new bushings or bearings if they are shot, a balance test, and lubrication of the moving parts. We also check the opener's force settings, because an opener that has been fighting a failing spring for weeks often needs its travel and force reset.
Ask any company whether the quote is flat or whether parts are added afterward. Ask what the warranty on the spring is in cycles, not just months. A standard spring is roughly 10,000 cycles, which is about seven years for a family that opens the door four times a day. High-cycle springs run 20,000 to 30,000 cycles and make sense for a busy household or a door that doubles as your main entrance.
Why this is not a do-it-yourself job
A torsion spring on a two-car door holds enough stored energy to break an arm or worse. Winding bars slip. Set screws strip. The shaft can spin if the cable comes off a drum mid-wind. We are not being dramatic about this. Spring work sends people to emergency rooms every year, and the parts savings are maybe $60.
What you can safely do: pull the red release cord so the door is disconnected from the opener, leave the door down, and keep cars and kids out of the bay until a technician arrives. Do not try to lift a door with a broken spring by hand. Full details on the repair itself are on our broken spring replacement page.
Getting more life out of the next set
Springs fail from cycles and from rust. Both are manageable. Lubricate the spring coils with a garage-door-rated lubricant twice a year, especially in a damp New England garage. Keep the door balanced so the opener is not dragging weight the spring should be carrying. Tighten the hardware that works loose over a winter. A yearly maintenance and tune-up visit runs well under the cost of one emergency spring call and catches a stretched cable before it snaps.
If your door is more than 25 years old, has rotted panels, and is on its third set of springs, it may be worth comparing a repair bill to new door installation. We will give you both numbers and let you decide.
Call (617) 555-0142 for a same-day look in Newton and the surrounding towns. We measure the spring, weigh the door, and give you a written price before any work starts. More detail on broken spring replacement.
Questions people ask
How long does a spring replacement take?
A standard torsion spring swap takes about 45 to 90 minutes once the technician is on site. Add time if cables, drums, or bearings also need replacing, or if the door came off its tracks.
Can I still use the opener with a broken spring?
No. The opener is sized to move a balanced door, not to lift its full weight. Running it with a broken spring burns out the motor or strips the gear, which turns a spring bill into a spring plus opener bill.
How do I know which spring my door has?
Look above the door opening. A long spring wound around a steel shaft is a torsion spring. Two springs stretched along the horizontal tracks on either side are extension springs. Take a photo and we can tell you over the phone.
Do you charge a service call fee on top of the repair?
We quote the repair as one number on site. If you decide not to proceed, a diagnostic fee applies for the visit. That is explained before we dispatch, never after.
Are the springs on my door covered by the manufacturer warranty?
Rarely. Most builder-grade door warranties cover panels and hardware but treat springs as a wear item with a short term, often one year. Keep your paperwork and we will tell you if a claim is worth filing.
