What counts as a callback?

A return visit to work you already did, at no charge, because something was not right. Not a new problem at the same address, and not a maintenance visit. Getting this definition agreed before you start counting matters more than where exactly you draw the line, because a rate you measure inconsistently tells you nothing over time.

What is a normal callback rate?

It varies enough by trade and work type that a benchmark is not much use, and the useful comparison is your own rate over time and between technicians. A rate that is falling is the goal; a rate you cannot state is the problem.

Should I include the cost of the customer I lost?

Not in this calculation, because it cannot be estimated honestly. Be aware it is real though — a callback handled badly costs the relationship and the referrals, and neither appears in any of the figures here.

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What callbacks are costing you

A callback is billed to nobody, so it never appears as a cost. It shows up instead as a technician who was somehow busy all week and a month that came in lower than expected.

Method reviewed by Darren Lim, US CPALicence CPA.74253602

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Callbacks cost you

$102,515/yr

2.7% of revenue, and none of it appears anywhere on your P&L — the labour lands in general wages, the parts in materials, and the truck time nowhere at all.

Callbacks per year6% of 2600 jobs156

Direct cost each1.75h at $46.00 + parts + truck$140

Direct cost per year$21,762

Gross profit on a normal job$609

Displaced work per yearat 85% schedule fullness$80,753

Total cost per year$102,515

Technician time lostA full-time person, most of a quarter, doing work nobody paid for6.8 weeks

Every point off the callback rate savesper year$17,086

Allowance this implies in your pricingIf you price as though callbacks were free, you underprice every job by roughly this2.7%

Why it is invisible in the books

A callback generates no invoice. With nothing to attach it to, the labour lands in general wages, the parts land in materials, and the truck time lands nowhere at all. Nothing in a standard P&L says the word.

Which means the cost is real, recurring and completely unmeasured in most contracting businesses. Owners feel it as capacity that keeps disappearing rather than as a number they could act on.

The opportunity cost is the bigger half

The direct cost is the hours, the parts and the truck. The larger cost is what that technician would otherwise have been doing: a billable call, at your normal rate, with your normal margin.

On a full schedule that displaced work is a genuine loss rather than a theoretical one, because the call did not vanish — it went to whoever could get there. On a slow week the opportunity cost is close to zero. This calculator shows both so the honest figure sits between them depending on how full you are.

Measure it before you try to fix it

A callback rate is the share of jobs that generate a return visit. Tracking it takes one field on a work order — was this a callback, and against which original job — and it is the only way to tell an installation problem from a diagnosis problem from a parts problem.

Once it is measured it becomes manageable: by technician, by job type, by the part that keeps failing. Before it is measured, every conversation about it is anecdote.

And whatever the rate is, it belongs as an allowance in your pricing. A trade running 5% callbacks and pricing as though it ran none is underpricing every job by roughly that much.

Common questions

What counts as a callback?: A return visit to work you already did, at no charge, because something was not right. Not a new problem at the same address, and not a maintenance visit. Getting this definition agreed before you start counting matters more than where exactly you draw the line, because a rate you measure inconsistently tells you nothing over time.
What is a normal callback rate?: It varies enough by trade and work type that a benchmark is not much use, and the useful comparison is your own rate over time and between technicians. A rate that is falling is the goal; a rate you cannot state is the problem.
Should I include the cost of the customer I lost?: Not in this calculation, because it cannot be estimated honestly. Be aware it is real though — a callback handled badly costs the relationship and the referrals, and neither appears in any of the figures here.

What we do about it

Warranty and callback labour and material separated in the books rather than absorbed into general wages, so the rate is a monthly number and the allowance in your pricing is based on it.