The roof contractor checklist that prevents 3 rip-offs

Roofing scams follow predictable patterns, and a few specific lines in a contract — plus the right questions before you sign — head off the most common ones. Here is what to check before hiring a roofer.

How roofing trouble usually starts

The classic problem arrives right after a storm. A crew you’ve never heard of knocks on the door, says they were “working in the neighborhood,” and points out damage you can’t see from the ground. The pressure is the tell: a discount that expires today, a clipboard waved in your face, a request to climb up and inspect on the spot. Reputable roofers are usually booked out and don’t need to chase work door-to-door the afternoon a storm clears.

The second pattern is the money. Someone asks for a large deposit up front — sometimes most of the job — then the work stalls, the crew vanishes, or the materials that show up aren’t what you agreed to. Once a big chunk of cash has changed hands, your leverage is gone. The third pattern hides inside insurance paperwork: a contractor offers to “handle the whole claim for you” and slips in an assignment that hands them control of your insurance payout, including the right to negotiate or sue your insurer in your name. You can work with a roofer on a claim without signing away that authority.

The contract clauses that protect you

A roof is one of the larger checks most homeowners ever write, so treat the contract like the real document it is. Vague paperwork is where disputes live. Before you sign, make sure these are spelled out in writing:

• A detailed scope of work. Tear-off versus laying over the old roof, how many layers come off, what happens to decking that’s found rotten underneath, flashing and underlayment, and cleanup including a magnetic sweep for nails.
• The exact materials. Product line, type, and color in writing — not just “architectural shingles.” This is how you avoid a downgrade you didn’t agree to.
• A payment schedule tied to milestones. A modest deposit, payments as defined stages finish, and a final payment held until the job passes inspection. Be wary of any demand for most of the total before work begins.
• Lien waivers. A signed waiver as you pay protects you if the contractor fails to pay their crew or supplier — without it, you can be on the hook a second time.
• Permit responsibility. The contract should state who pulls the permit (it should be the contractor) and that the work will be inspected.
• The warranty. Separate the manufacturer’s material warranty from the contractor’s workmanship warranty, and get both terms on paper.

How to vet a roofer before you commit

Verification is dull and it works. Confirm the contractor is licensed where your state or municipality requires it, and ask for proof of both liability insurance and workers’ compensation. That second one matters more than people realize: if an uninsured worker is hurt on your roof, the claim can land on you. Call the carrier listed to confirm coverage is active rather than trusting a photocopy.

Get estimates in writing from more than one company so you can compare the actual scope, not just the bottom line. A bid that’s dramatically lower than the rest is usually missing something — a layer of tear-off, the flashing, the permit — that you’ll pay for later. Ask for local references from the past year and actually call them. A roofer who does good work will have a trail of nearby roofs and won’t flinch when you ask to see them.

On cost: roofing prices swing widely by region, roof size, pitch, material, and how much hidden damage turns up once the old roof is off. There’s no honest national number that tells you what yours should be. The reliable move is two or three written, itemized quotes from licensed, insured local roofers, compared line by line.

When to call a professional

Roofing is the wrong place to learn on the job. It combines a fall hazard with structural and weatherproofing work, and a mistake doesn’t just cost money — it can hurt you or let water into the structure for years before you notice. Walking a steep roof, tearing off old material, and getting flashing right around chimneys and valleys are jobs for licensed, insured professionals with the right equipment. From the ground, with binoculars, you can reasonably spot missing or curling shingles, sagging lines, or debris in gutters after a storm. Anything beyond that look-and-report — and certainly any actual repair or replacement — belongs to a pro. If you suspect storm damage, it’s also worth having your own trusted roofer assess it before you commit to whoever showed up at the door.

What a fair timeline and clear communication look like

A legitimate roofer sets expectations before the first shingle comes off. You should know the planned start date, roughly how many working days the job needs, and what weather would push it. Tear-offs occasionally expose problems hidden under the old roof — soft or rotted decking is the classic one. Honest crews plan for that with a written change-order process: if they find rot, they stop, show you the affected area (a quick photo works), and give you the added cost in writing for your approval before they keep going. Surprises that turn into a verbal “we found some extra stuff, it’ll be more” with no paper trail are how a fair price quietly balloons.

Day to day, you want one named contact and a predictable rhythm — a heads-up the evening before crews arrive, and a short update when a phase wraps. You don’t need to hover, but radio silence on a multi-day job is a yellow flag.

The final walkthrough and the paperwork you keep

Don’t treat the last day as just “they’re gone, it’s done.” Walk the roof line from the ground with the lead, look at the flashing around chimneys and vents, and check that valleys and edges sit clean. Cleanup is part of the job, not a favor: hauled-off debris, a magnetic sweep of the yard and driveway for stray nails, and gutters cleared of granules and offcuts. Before you release final payment, collect your documentation — the manufacturer’s material warranty, the contractor’s separate workmanship warranty, and an itemized record of what was installed. File it somewhere you’ll find it years later. If anything looks unfinished or a leak shows up after the next real rain, a written warranty and a paper trail are what turn a callback into a quick fix instead of an argument.