Garage door spring replacement cost on the Treasure Coast, explained spring by spring
A broken spring is the single most common garage door call in Port St. Lucie, and the price depends on four things: how many springs the door has, how heavy the door is, how many cycles the new spring is rated for, and whether it needs to resist salt. In 2026 the answer runs from about $220 for one standard torsion spring to $700 for a high-cycle pair.
A torsion spring sits on a shaft above the door and does the lifting; the opener only guides. Springs are rated in cycles, one cycle being one open and one close, and a builder-grade spring is rated for about 10,000. A Port St. Lucie household that opens the door eight times a day uses that up in roughly three and a half years, which is why the original springs in the St. Lucie West and Tradition homes of the 2000s are all letting go now, usually with a bang that people mistake for something hitting the house.
The 2026 prices
| Spring job | Fitted price | Notes |
|---|---|---|
| One torsion spring, standard cycle | $220 – $380 | Single-car doors and some lighter doubles |
| Two torsion springs, standard cycle | $320 – $560 | The usual two-car replacement |
| Two torsion springs, 20,000–25,000 cycles | $420 – $700 | About a third more for twice the life |
| Galvanized or powder-coated springs | +$40 – $90 | Jensen Beach, Hutchinson Island, Stuart, Fort Pierce waterfront |
| Extension springs, pair, with safety cables | $200 – $380 | Older single-car and GDC-era doors |
| Convert a one-spring door to two | $380 – $650 | Halves the load on each spring |
| Center or end bearing plate | $40 – $110 | Done while the shaft is out |
One spring or two
If the door has two torsion springs and one has broken, the other has the same mileage and will follow soon, often within months. Replacing both costs $100 to $180 more than replacing one and saves a second trip fee, a second afternoon and a second bang. A door with a single spring can often be converted to two, which halves the load on each and extends the life of both; on a heavy insulated 16-foot door it is worth asking about.
Standard or high-cycle
A high-cycle spring is a longer, thicker spring of the same lift rating that flexes less on each turn, so it lasts two to three times as long. The difference is about $100 to $140 on a pair. For a household that uses the garage as the front door, which is most of Port St. Lucie, it pays back before the standard pair would have broken. For a second home used three months a year, the standard spring is fine.
The coastal question
Oil-tempered springs rust. Within a mile or so of the Indian River Lagoon or the ocean, the east wind carries enough salt that a bare spring pits in a few years, and a pitted spring breaks early no matter its cycle rating. Galvanized or coated springs add $40 to $90 a pair and are the right call in Jensen Beach, on Hutchinson Island, along the Stuart and Fort Pierce waterfronts and in Hobe Sound near the Intracoastal. Inland in Tradition they are optional.
Extension springs
Older single-car doors and some GDC-era doubles use a pair of long springs stretched along the horizontal tracks instead of a torsion shaft. They are cheaper to replace, $200 to $380 a pair, and must always be fitted with safety cables threaded through them, because a snapped extension spring with no cable becomes a projectile. If yours have no cables, the replacement includes them.
Why the cheap spring costs more
A spring sized by guesswork lifts the door unevenly, loads the opener, wears the cables, and breaks early. The technician weighs or measures the door, matches wire size, inside diameter and length to it, winds both springs to the same turns, and then checks that the door holds still at knee height, waist height and shoulder height with the opener disconnected. That balance test is the whole job; a door that drifts is a door that was not finished.
Please do not
Do not try to wind, adjust or remove a torsion spring. The winding bars and the hundreds of pounds of stored energy are not a weekend job, and the injuries are serious. Do not pull the red emergency release with the door up and a spring broken; the door will come down. If the door is down and the spring has gone, unplug the opener and leave the door alone until the technician arrives, usually the same day.
Questions on this subject
How do I know it was the spring?
A loud bang from the garage with nobody near it, followed by a door that will not lift or lifts six inches and stops, and a visible gap of an inch or two in the coil above the door. Nine times in ten that is the whole diagnosis.
Can I drive out with a broken spring?
Not with the opener. The motor is not built to lift the full weight and will strip its gear trying. If you must get the car out before the technician comes, it needs two strong adults lifting the door by hand with the release pulled, and the door propped so it cannot fall. Better to wait; it is a same-day call.
How long does the replacement take?
About an hour to ninety minutes for a torsion pair, including the balance test and a check of the cables, drums and bearings while the shaft is out.
Is a spring covered by any warranty?
New springs carry a parts warranty from the manufacturer, longer on high-cycle springs; the technician writes the term on your invoice. Homeowners insurance does not cover a spring that wore out.
Should I replace the cables at the same time?
If they show rust or fraying, yes, since the shaft is already out and the labor overlaps. If they are clean and tight the technician will say so and leave them.
Keep reading: Spring repair service · All repair prices · Rust and salt air · Emergency repair