Why Three Bids for the Same Job Come Back at Three Different Prices

They aren't bidding the same job

You described one project. Each contractor walked your house and decided what that project actually requires, and those decisions are where most of the spread lives.

One roofer looks at your eaves and prices self-adhered membrane three feet up the slope. Another prices synthetic across the whole deck. One flooring crew includes leveling the subfloor because they can see the dip from the doorway; another prices the install clean and will handle the floor if it turns out to need it. None of those are wrong. They're judgment calls made by people who have to stand behind the result for years.

So the most useful thing you can do with three bids isn't to rank them. It's to notice where they disagree, and ask each contractor why they made the call they made. You'll learn more about your own house in that one conversation than in a week of reading.

Allowances are placeholders, and that's on purpose

An allowance is a dollar figure held open for something you haven't chosen yet — $5,000 for cabinets, $9 a square foot for tile. The contractor can't price what doesn't exist, so they carry a number until you pick.

Two bids with different allowances are two contractors assuming different things about your taste. That's a question, not a discrepancy. Ask what the allowance was built around and go look at what it buys. Once you know, the allowance stops being a mystery number and becomes a budget you control.

Exclusions are a courtesy

The exclusions list is the part of a bid people skim, and it's often the most honest paragraph in the document. A contractor writing "permits by owner" or "paint not included" is telling you exactly where their lane ends so you aren't surprised in week three.

A bid with a real exclusions list usually means somebody sat down and thought the whole job through. Read it as a map of the project rather than a list of things being withheld — and if something on it matters to you, ask what it would cost to bring inside the scope.

Why the measurements usually aren't on the bid

This one surprises homeowners. Plenty of bids give you a scope and a price without the square footages, linear feet, and quantities behind them, and that can read as vagueness. It generally isn't.

Those numbers are a takeoff, and a takeoff is real work. Somebody measured your rooms, pulled your roof planes off a drawing or a drone pass, worked in a waste factor, and priced material against quantities that took hours to build. It's the most expensive unpaid part of estimating, and a contractor does all of it before knowing whether they have the job at all.

Publishing that takeoff on the bid hands it to everyone else you show it to. The next company can price your job in ten minutes off measurements they never took. Contractors have watched that happen enough times to stop volunteering it, and that's a completely reasonable place to draw a line.

So don't read a missing measurement as something being hidden. If you want the detail, just ask — most contractors will walk you through the takeoff sitting at your kitchen table. What they're protecting is the work, not the number.

Deposits and draws

Deposit norms vary by state and by company, and there is no single right answer. What's worth knowing is that a third up front is very common and very reasonable, and on a lot of jobs it's exactly what the work requires.

The money at the front of a job isn't profit sitting in an account. It's material ordered, a crew held on the calendar for your dates, and in several trades a special order that can't be resold if the job goes away. A company that has to float all of that on a credit line either charges you for the float or stays small enough that it can't hold your date.

The rest usually lands on draws tied to real milestones — rough-in complete, dried in, tile set — with a final payment at completion. If a schedule looks unusual to you, ask what drives it. There's almost always a material order or a subcontractor payment sitting behind it.

The parts of the bid that describe the company

• Timeline. A start window, the milestones in between, and a finish. Weather, inspections, and material lead times move all of it, and a contractor giving you an honest range is telling you something true about the trade.

• Warranty. Most established residential contractors carry a year on workmanship, and some carry considerably more. Material warranties come from the manufacturer and run separately.

• License and insurance. General liability, workers comp, and a license number on the document. Any contractor carrying those wants you to know it — it's a real cost they pay every year, and it's part of what separates the numbers in front of you.

What this means for you

You're not auditing three companies. You're choosing one to have in your house for a few weeks.

Take the bid you understand the least and call that contractor first. Ask why their scope differs from the others, what their allowances assume, and what they'd do about the thing that worries you most. The one who explains it plainly, without getting defensive and without running down the other two, is usually the one you want.

And cheapest isn't the trap people make it out to be. Sometimes the low bid is a company running their own crew with less overhead to carry. Sometimes it's a smaller scope. Ask, and you'll know which one you're looking at.

What contractors should know

The bid that wins is usually the one the customer can follow. Naming your assumptions — what the allowance covers, what the deposit buys, what you excluded and why — costs a paragraph and settles most of the questions that otherwise turn into a second visit.

You don't have to publish your takeoff to do that. Explaining the shape of your number isn't the same as giving away the work behind it.

About Supervisr

Supervisr is a project platform built for residential contractors. Scope, schedule, photos, and change orders live in one place, and the homeowner gets a clear view of their own project without anybody re-typing an update at nine at night.