What does it cost to replace garage door extension springs?
If you do it yourself, you can buy replacement garage door extension springs for around $12 at the low end to $40 at the high end for each spring, plus shipping. The cost variance is determined by the size and type of spring, the weight rating, etc. If you pay a contractor to do the job for you, expect to pay another $75 to $100 for the labor. The total approximate cost can run from $100 to $200, depending on whether you have one or two springs replaced. Be certain you call around for price comparisons before hiring a contractor. Getting a referral from your friend, neighbor, or even your trusted real estate agent is a great way to go. Some unscrupulous companies may charge many hundreds of dollars for this job, which takes about an hour for them to complete.
