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How To Vet A Roofing Contractor

May 22, 2026 · 6 min read

Roofing attracts more than its share of transient operators, particularly after a storm. A few checks filter most of them out.

License and insurance, verified

Requirements vary by state. Ask for the license number and the certificate of insurance issued by the insurer, covering both general liability and workers' compensation. Confirm dates are current.

Local presence and certifications

A permanent local address and a multi-year trading history matter for warranty claims. Manufacturer certifications can unlock longer system warranties, but only when the crew doing your roof holds them.

The written scope

The quote should state materials by brand and line, underlayment, ice and water shield coverage, ventilation work, flashing, disposal, decking replacement pricing, cleanup and both product and labor warranty terms.

  • Is the deposit reasonable, and tied to delivery?
  • Who is on site supervising each day?
  • How is unforeseen decking damage priced?
  • What is the labor warranty length?

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