How to Compare Contractor Bids -- Without Just Picking the Lowest One

A practical checklist for comparing multiple contractor bids on a remodel or build -- scope, materials, exclusions, and why the cheapest bid isn't always the best one.

Get more than one bid

Get at least three written bids for any significant remodel or build. Three gives you a real low, medium, and high range instead of guessing whether one number is fair.

A verbal ballpark isn't a bid. Ask for something written, even if it's simple -- you need it in writing to compare later.

Give every contractor the same scope

Before you ask for bids, write down what you actually want done -- a real scope of work, not just "remodel the kitchen." Hand the same written scope to every contractor you ask. If each one is bidding on a slightly different idea of the job, the numbers won't mean anything next to each other.

Once bids come back, check that the major categories of the job show up in all of them -- things like foundation, framing, plumbing, electrical, drywall, paint, and flooring. If one bid is missing a whole category, that's not a lower price, it's a different (incomplete) job.

Make the bids apples-to-apples before you compare price

It's normal for bids to not line up on the first pass. Go through and note where they differ -- one contractor includes something another left out, or bids a different quality of material for the same line item.

Go back to each contractor with the specific gaps you found and ask them to clarify or fill in the missing piece. You may need a couple of rounds of this before the bids are actually comparable.

Know what materials each bid actually includes

Rough materials -- lumber, concrete, drywall -- are usually just included in a bid without much discussion. Finish materials -- faucets, tile, light fixtures, cabinet hardware -- are where bids quietly diverge. Ask each contractor to spell out the specific allowance (the dollar amount budgeted) for big-ticket finish items like cabinets, countertops, and flooring, not just "cabinets included."

A bid that looks cheaper because it assumes builder-grade fixtures isn't actually cheaper than one that assumes what you actually want -- it just moves the cost to a change order later.

Read what's excluded, not just what's included

Every bid should have an exclusions section -- what's NOT covered, what's "by others," and any assumptions the contractor is making. Read it as carefully as the price. A bid that's missing permits, cleanup, or a whole trade isn't a better deal, it's an incomplete number that will grow once work starts.

The lowest bid isn't automatically the right one

When bids vary a lot, that's a signal to look harder at the contractors themselves, not just pick the smallest number. Check responsiveness, reliability, and real references -- someone who's hard to reach or vague now is not going to improve once they have your deposit.

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