Price It·8 min read
How to Build a Flat-Rate Price Book for a Sewer and Drain Shop
By Mike Rhoads, Founder, NorthRidge Systems™·June 17, 2026
If your price changes based on how the day went, you are giving away margin you will never get back. A flat-rate price book fixes that. The number you quote is set ahead of time, so it is consistent whether it is the first job or the last.
Here is how to build a price book for a residential sewer and drain shop that protects your margin and speeds up every quote.
Know your real cost before you set a price
Every price has to cover more than parts and your time. It has to cover the truck, fuel, insurance, the phone, the camera, and the hours you do not bill. If you price off a gut feel, you usually undercharge and never know it.
Add up your monthly overhead, divide by the jobs you can realistically run, and you have the floor every price has to clear before profit even starts.
Turn tasks into clear line items
List the work you actually do, not a textbook. Camera inspection, cabling a main, hydro service, cleanout install, spot repair, lining footage. Each becomes a line item with a set price, so the quote is a matter of picking the right ones.
- ·One line item per task you regularly perform.
- ·Bundle common combinations so quoting is fast.
- ·Build good, better, best tiers into bigger repairs.
Keep it on your phone, not in a binder
A price book in a binder back at the shop does not help you at the curb. The whole point is to quote on site, while you are standing in the yard with the homeowner. When the price book lives on your phone, the number is right there and the quote takes seconds.
FieldMetrx™ keeps your price book in your pocket and builds the proposal straight from it, so you quote and close before you leave the driveway.
Review and raise prices on a schedule
Costs go up. If your price book does not, your margin shrinks quietly. Set a date a couple of times a year to review the numbers and adjust. A small, steady raise is easier on you and the customer than a big jump you put off too long.
Want the tool that makes this easy? Drain Cleaning Business Software is built for residential drain and sewer shops.
Frequently asked
How many line items should a price book have?
Enough to cover the work you actually do, no more. Most small sewer and drain companies run well with a few dozen clear items plus tiered repair options.
How often should I update prices?
Review at least twice a year. Small, steady increases protect your margin better than a big jump you delay because it feels uncomfortable.
Will flat-rate pricing scare off customers?
No. Consistent, confident pricing reads as professional. Homeowners trust a set number more than a quote that feels made up on the spot.
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