A sewer replacement estimate can be a single line with a total, or a detailed page of scope. The detailed kind is far easier to compare, and asking for one is reasonable. If one contractor writes 'replace sewer line' and another writes 'burst and replace 60 feet of 4-inch lateral with fused HDPE from house cleanout to property line, two pits, new two-way cleanout, permit included,' you are not looking at the same promise.
The best starting point is the same camera video in front of everyone. When each contractor works from the same footage, differences in their estimates reflect method and scope rather than different guesses about what is underground.
A comparison worksheet
| Item | Estimate A | Estimate B |
|---|---|---|
| CSLB license number checked | ||
| Method (bursting, lining, dig, combined) | ||
| Length of pipe covered | ||
| New pipe or liner material and size | ||
| Pit locations and number | ||
| Cleaning or descaling included | ||
| Branch connections handled | ||
| New cleanout included | ||
| Permit and inspection responsibility | ||
| Restoration of concrete and landscaping | ||
| Final camera video provided | ||
| Warranty terms in writing | ||
| Payment schedule |
Red flags worth slowing down for
- No license number, or one that does not match the name on the estimate
- A recommendation made without any camera inspection
- Refusal to share the inspection video
- Pressure to sign the same day when there is no active backup
- Large payment demanded before any work or materials
- Vague scope with no length, method or material stated
A simple comparison process
- Get the video.Make sure you have your own copy of the inspection footage.
- Share it.Ask each licensed plumber you consult to quote against that footage.
- Fill the worksheet.Put each estimate into the table above and mark gaps.
- Ask about the gaps.Request written answers for anything missing.
- Compare like with like.Only compare totals once the scope lines up.
Common questions
How many estimates should I get?
There is no fixed rule. For a large job, more than one written estimate based on the same camera video gives you a useful comparison.
Should I choose the lowest estimate?
Only once you have confirmed it covers the same scope as the others. A lower total that leaves out restoration or permits may cost more in the end.
What should the warranty say?
It should state what is covered, for how long, who honors it and what voids it. Get it in writing before work begins.
General information for Fullerton, not a quote or professional advice. In an emergency, call 911.