Almost every homeowner has the same quiet question when they read a renovation quote. They see a line — or a number built into the price — called markup, and they wonder: what is that, really? Is the contractor just padding the bill?
It’s a fair question. So here’s the honest answer.
Markup is not a bonus that goes into the contractor’s pocket. It is the part of the price that pays for everything your quote can’t list line by line.
What Markup Actually Pays For
Think about everything that happens on a renovation that never shows up as its own item on the page.
It’s the time spent sourcing your materials — the back-and-forth on decisions, the trips to pick things up, loading the truck, unloading it at the job site, walking the aisles of the hardware store to find the right product. It’s unpackaging everything and hauling away all the cardboard and garbage the materials came wrapped in. None of that has a line item. All of it takes time.
It’s the small things nobody can predict. The levelling clips. The specific screws for something you didn’t know you needed until the wall was already open. The gaskets, the fittings, the extra bag of fasteners. The defective board that has to go back and get replaced. A good quote has to cover the surprises behind the wall, not just the ones you can see in front of it.
It’s the work that happens after the crew goes home. The nights spent updating you on progress. Following up with the trades to keep everyone on schedule. Making sure the plumber and the electrician show up in the right order so your project keeps moving. That coordination is the difference between a job that flows and a job that stalls.
And it’s the cost of simply running a business. Insurance. Wear and tear on the trucks and the tools. Overhead. The same costs every business carries.
Think of It Like Any Other Store
Here’s a way to look at it that takes the mystery out of it completely.
When you walk into a store and buy a pair of jeans, you don’t pay what the store paid the factory. The store adds its markup. That markup covers their staff, their rent, their marketing, their lights. Nobody calls that dishonest — it’s just how a business stays open. Markup is what runs every business, not just construction. Contractors are simply the ones who get scrutinized for it.
Why This Matters to You
So why does it matter to you, the homeowner?
Because markup is also what lets a contractor lock your price.
Without it, a contractor can’t absorb the small overruns — the extra materials, the surprise fitting, the trip back to the store. So every time something comes up, they’d have to come back to you asking for more money. Markup is what protects you from the constant “I need a little more” conversation. It’s what lets us hold a fixed price and stand behind a warranty.
Why the Cheapest Quote Should Worry You
A contractor who charges no markup is not doing you a favour. They’re either not covering those real costs — which means you’ll pay for it later in cut corners, missed warranties, or a price that creeps up midway through the job — or they’re hiding it somewhere you can’t see. The cheapest quote isn’t the one with no markup. It’s the one where the markup is invisible until it’s too late.
At Cornerstone Construction, we’d rather be straight with you up front. Our price is built to cover the real work — the visible and the invisible — so we can do what most renovation quotes can’t: lock the price, hold the schedule, clean up every day, and back the whole thing with a five-year written warranty. One contract. One team. No surprises.
That’s not what markup costs you. That’s what it buys you.
Want the full breakdown of where every dollar of markup goes? Read Why Contractors Charge a Markup on Materials — the complete, point-by-point version.
