Why Roofing Estimates Vary So Much

Part of the Cost & Pricing series by Bob Harvey

Quick Takeaways

Completed standing seam metal roof, Eden

Tags: Cost & Pricing, Hiring a Roofer

You get three estimates for the same roof, and they are all different. Sometimes wildly different. That is confusing, and I understand why it makes homeowners uneasy. You start wondering who is overcharging, who is undercutting, and who you can actually trust.

Here is what is actually going on.

They are not all bidding the same job

This is the biggest reason estimates vary. Even though every contractor is looking at the same roof, they are not all proposing the same scope of work.

One company might use a premium architectural shingle while another bids builder-grade. One replaces all the flashing. Another reuses the old stuff. One includes ice and water shield in the valleys and at the eaves. Another skips it. One pulls a permit. Another does not.

The number on the bottom of the page looks different because the work above it is different. That is why a detailed, written estimate matters so much. Without seeing exactly what each company is proposing, you are comparing apples to oranges.

Different overhead structures

A roofing company with a physical office, full-time W-2 employees, workers' comp insurance, liability coverage, and a real warranty program has higher overhead than a guy with a truck and a few day laborers. That overhead shows up in the price, and it is the overhead that protects you.

Our crew members are W-2 employees. That means we pay payroll taxes, workers' comp, and provide them with a stable job. That costs more than hiring subcontractors or day labor. But it also means the people on your roof are trained, consistent, and accountable. You get what you pay for, and what you are paying for is not just shingles.

Material quality differences

Not all shingles are created equal. A CertainTeed Landmark Pro shingle costs more than a generic builder-grade shingle. But it has better granule adhesion, stronger wind resistance, a longer warranty, and it is going to look better and last longer on your roof. The same goes for underlayment, flashing, and every other component.

When one estimate is lower than another, ask what materials they are using. Not just the brand, but the specific product line. The difference in material cost between a budget install and a quality install is real, and it directly affects how long your roof lasts.

Labor quality

Experienced crews work efficiently and do quality work. That costs more per hour than a crew that is learning on your roof. But the efficiency means fewer labor hours overall, and the quality means fewer callbacks and warranty claims. It is one of those situations where paying more per hour actually saves money in the long run.

What to do with this information

When you are comparing estimates, resist the urge to just look at the bottom line. Go line by line. Ask questions about anything that is different between the bids. A good contractor will explain every line item without getting defensive.

And if one estimate is dramatically lower than the rest, ask yourself why. The answer is almost always that they are leaving something out or cutting a corner that the others are not. That is not a deal. That is a future problem.

Have questions about your roof? We offer free roof assessments. We will take a look, tell you what we see, and give you honest recommendations. No pressure, no obligation. Give us a call or schedule online.

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"Great quality, very fair price, on-time, and as clean as possible when re-roofing. Thank you!!"
Jack K , Google Review

Related Reading

← Previous Article What's Included in a Roofing Estimate? (And What Isn't)
Next Article → Why the Cheapest Roof Estimate Is Usually the Most Expensive

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