A tech drives back to a house for a callback. Forty-five minutes round trip, an hour on site. Two hours of labor. The parts were covered under warranty. Total visible cost: about $120. That's what most contractors track.
What they don't track: the customer who won't renew their maintenance agreement. The neighbor they won't refer. The Google review that says "had to call them back twice." The dispatcher time to reschedule. The job that got bumped because the callback filled that slot.
The real cost of a callback is easily $500-$1,000 when you account for all of it. Track the visible stuff and you'll underinvest in preventing them.
The Most Common Causes
Misdiagnosis is number one. Tech replaces what he thinks is wrong, customer calls back because it was actually something else. This usually comes from rushing the diagnostic phase. Every time you're tempted to skip the full system check because "it's obviously the capacitor," that's when the callback finds you.
Incomplete work is second. Part of the system was fixed and another related part was on its way out. A thorough inspection at the end of every call should catch anything that's likely to fail soon. Not just the presenting problem. The whole system.
Poor customer communication is third. Customer expected something you didn't deliver, not because you did anything wrong but because you didn't explain clearly what you did and didn't do. "I replaced the capacitor. The unit is running fine now. The filter is getting close, you'll want to replace it soon. Here's what to watch for over the next few weeks." That debrief prevents the call that comes back saying you didn't fix it.
Measuring Your Callback Rate
Track callbacks by tech and by job type. If one tech has a callback rate twice the company average, that's a training conversation. If callbacks spike on a certain type of job, that's a process problem. Data tells you where to focus.
A callback rate above 8-10% on service calls is worth investigating. Below 5% is where well-run operations tend to be. Know your number.
WerkOps flags repeat visits to the same address so you can track callbacks automatically and catch patterns before they become a reputation problem.
Put this into practice with WerkOps
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Written by
Dina Good
Founder, WerkOps
Dina grew up in the trades. Her father was a contractor, then a building inspector, and the job site was her classroom long before any formal one was. She went on to own her own contracting company, which is where she first felt the pain of running a skilled trade business on bad software and worse spreadsheets. A love of data pulled her into programming, and the two worlds eventually collided into WerkOps - software built by someone who has actually been on the truck.