Choosing a roofing contractor shouldn’t be left to chance. This guide gives homeowners the 10 most important questions to ask during the vetting process—from licensing and warranties to jobsite supervision and cleanup policies. We explain why each question matters and what answers signal a trustworthy pro. With these insights, you can confidently compare contractors, avoid red flags, and ensure your roofing project is completed on time, on budget, and to spec.
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Hiring the right roofing contractor is one of the most important steps in any roofing project. Whether you’re replacing a few shingles or installing a brand-new roof, the contractor you choose will impact not only the quality of the job, but also your budget, warranty, and long-term peace of mind. This guide walks you through the top 10 questions to ask before hiring a roofing contractor—along with what to listen for in their responses.
Why it matters: A reputable roofer will hold all necessary state and local licenses, carry general liability insurance, and have bonding to protect you if they fail to complete the job.
What to listen for: Specific license numbers, insurance documentation, and clear explanation of coverage.
Why it matters: Not all roofers are experts in every material. If you have metal, tile, flat, or synthetic roofing, it’s crucial to hire someone with proven experience in that system.
What to listen for: Examples of past projects, brand certifications, or years working with specific materials.
Why it matters: Talking to past customers gives you a real-world perspective on quality, professionalism, and customer service.
What to listen for: References from jobs in the last 6–12 months, ideally using the same materials you plan to use.
Why it matters: Verbal agreements don’t protect you. A detailed contract outlines pricing, materials, timelines, payment schedules, and warranty terms.
What to listen for: A sample contract, willingness to explain line items, and transparency in pricing.
Why it matters: You should receive both a manufacturer’s warranty (on materials) and a workmanship warranty (on labor).
What to listen for: Warranty durations, coverage limitations, and what voids them.
Why it matters: Roofing often requires a permit, depending on your municipality. It’s the contractor’s responsibility—not yours—to handle this.
What to listen for: Familiarity with your local permit process and proof they’ve handled it before.
Why it matters: You need to know who to contact during the job and that experienced professionals—not just subcontractors—will be working on your roof.
What to listen for: Names of crew leaders, oversight protocols, and whether the company uses in-house teams or subcontractors.
Why it matters: Roofing can be messy and damaging without proper precautions. Ask how they’ll handle debris, landscaping, gutters, and clean-up.
What to listen for: Use of tarps, magnet sweeps for nails, cleanup guarantees, and site protection plans.
Why it matters: Even the best-planned projects can run into surprises. It’s important to know how your contractor handles scope changes and communicates them.
What to listen for: Clear communication policies, change order procedures, and realistic timelines.
Why it matters: Top manufacturers only certify contractors who meet high standards. These certifications often extend material warranties.
What to listen for: Recognition from brands like GAF, CertainTeed, Owens Corning, or metal/synthetic roofing manufacturers.