Almost every service business draws its area as a radius on a map, which is the one method guaranteed to be wrong. Distance does not cost money. Time does — and twenty miles up an interstate and twenty miles through four traffic lights are entirely different businesses.
In this article
Time, not distance
A radius on a map treats every direction as equal. No city works that way. A river, a highway, a downtown core or one congested corridor can make one direction half as productive as another at the same mileage.
Distance does not cost money. Time does — and time is what your capacity is made of.
The uncomfortable implication. A far customer can be unprofitable at full price while a nearby customer is profitable at a discount. The invoice is the same; the hour of driving came out of capacity you could have sold.
Drawing the boundary
Pick a maximum acceptable one way drive — commonly 25 to 40 minutes, depending on ticket size — then map what that time actually reaches in each direction during working hours, not at night.
The resulting shape is never a circle and usually surprises the owner. Larger tickets justify longer drives, which is why a business doing $3,000 jobs can serve a wider area than one doing $200 service calls.
Keep reading — free
The rest of this article is worth the 20 seconds
Tell us where to send it and the full piece unlocks right here, along with everything else on this blog.
Rather just talk? Message us on WhatsApp.
What density does to capacity
If a technician drives 25 minutes between jobs instead of 12, across six stops that is more than an hour — often the difference between five jobs and six.
That sixth job carries almost no additional overhead, so it is close to pure margin. Density also cuts fuel, vehicle wear and the end of day fatigue that produces callbacks.
Pricing the jobs outside the line
Refusing outright forfeits revenue and leaves a bad impression. Three structures work better:
- A stated travel fee reflecting the real drive, presented as a normal line in the quote rather than a penalty
- Batching — service in that area on specific days, so several jobs share one trip
- A minimum ticket for the outer zone, which filters small calls and keeps large ones
What genuinely should be refused is the small job, far away, on a day that is already full. That one loses money at any price.
Two weeks, same trucks
Two technicians, same city, same trade.
- Week one, jobs taken wherever they came from: 42 stops, average 26 minutes between them — about 18 hours of driving.
- Week two, jobs clustered by zone with an outer zone travel fee: 49 stops, average 14 minutes — about 11 hours of driving.
Seven stops more, seven hours less driving, same payroll. At a $290 ticket, that is roughly $2,030 of additional weekly revenue — over $100,000 a year from a scheduling rule rather than a marketing spend.
Find out what your travel time is costing per year
Send us a typical week of jobs with addresses and times. We will show you how many hours went to driving and what that is worth.
Frequently asked questions
How should a service business define its service area?
By drive time from your base during the hours you actually work, not by miles on a map. A radius treats every direction as equal, and no city works that way — a river, a highway, a downtown core or a single congested corridor can make one direction half as productive as another at the same distance. The practical method is to pick a maximum acceptable one way drive, commonly somewhere between 25 and 40 minutes depending on ticket size, and then map what that time actually reaches in each direction during working hours rather than at night. The resulting shape is never a circle, and it usually surprises the owner. Larger tickets justify longer drives, which is why a business doing $3,000 jobs can serve a wider area than one doing $200 service calls.
What does route density actually do to profit?
It changes how many jobs fit in a day, which changes everything else. If a technician spends 25 minutes driving between jobs instead of 12, the difference across six stops is over an hour — often the difference between fitting five jobs and fitting six. That extra job carries almost no additional overhead, so it is close to pure margin. Density also reduces fuel, vehicle wear and the fatigue that produces mistakes late in the day. The uncomfortable implication is that a customer far outside the cluster can be unprofitable at full price while a nearby customer is profitable at a discount. Owners resist this because the far customer pays the same invoice, but the invoice is not the whole transaction — the hour of driving came out of capacity that could have been sold.
Should you refuse jobs outside your service area?
Usually not outright. Refusing creates a bad impression and forfeits revenue that can be made profitable with the right structure. Three approaches work better. Charge a stated travel fee that reflects the real cost of the drive, presented as a normal part of the quote rather than a penalty. Batch them, offering service in that area on specific days so several jobs share one trip. Or set a minimum ticket for the outer zone, which naturally filters small calls while keeping larger ones. All three preserve the option without subsidizing it. What genuinely should be refused is the small job, far away, on a day that is otherwise full — because that one costs more than it earns no matter how it is priced.