# [Comparing contractor quotes: what to ask for](https://trymumm.com/guides/negotiate-contractor-quote)

> Give contractors the same written scope and compare their prices, materials, timing and warranties. Ask what each one can add or adjust, such as a longer labor warranty, cleanup and haul-away, or a start date that suits you both. Put the agreed work, payment milestones and change-order process in writing.

- **Updated:** 2026-07-20
- **Category:** Contractors
- **Read time:** 8 min

## Give everyone the same scope

Give each bidder the same written scope, including materials, removal, installation details and warranty. Ask them to identify exclusions and alternatives separately so you can compare like for like.

## Ask for labor and materials separately

Request a breakdown of materials, labor and overhead. Ask the contractor to explain differences from a comparable bid and price alternatives such as owner-supplied materials or a flexible schedule. Confirm how each option affects warranty and responsibility.

## What you can offer a contractor

- Timing flexibility: offering to take an open week can help a contractor fill a gap in the schedule.
- A clear decision date: tell contractors when you will choose, so they know the job is real.
- A fair payment schedule: a reasonable deposit and milestone payments. Avoid paying in full up front.
- Repeat work: mention future projects once, if they are real.
- Reviews and referrals: a written review and a referral matter to local businesses.

Then ask what the contractor can add: a longer labor warranty, cleanup and haul-away, an upgraded material or a start date that works for you.

## Put it all in the contract

Agree on these in writing before work starts: the change-order rate for anything outside the scope, a payment schedule tied to milestones, the workmanship warranty (separate from manufacturer warranties), start and completion windows, and who pulls permits. A good contractor puts all of it in writing. Be cautious with one who will not.

## Questions people actually ask



## Should I tell each contractor what the others bid?

Tell contractors you are comparing bids. Share another bid’s price only when it is real and covers the same scope, and never invent one. Ask them to explain the difference or say what they can include.

## Is the lowest bid the right choice?

It can be, once you know why it is lower. Missing scope is a common reason: no disposal, a different shingle line or no permit. Those gaps can come back later as change orders. Check licensing, insurance and references, and compare the same written scope before choosing.

## How do contractors price materials?

Ask how the contractor prices materials and what sourcing, delivery and warranty work the markup covers. Compare a fixed materials price with an agreed cost-plus arrangement and documentation.

## Is it rude to ask a contractor for more?

No, when you ask respectfully. Trades expect questions on larger jobs. Avoid inventing competing bids, reopening terms after you agree or pressing a small shop on an emergency rate. Pay fairly and on time, and good contractors will want your next job.

## Related

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