Overview
Choosing a roofing contractor is not just about finding someone who can install shingles. Roof replacement also involves the deck, water-shedding layers, flashing, ventilation, edges, penetrations, cleanup, warranties and project management.
1. Verify credentials before hiring
Licensing and insurance requirements vary by state and locality. Verify the requirements that apply where the property is located rather than relying only on a website badge or verbal statement.
- Confirm applicable contractor licensing requirements.
- Ask for current insurance information where appropriate.
- Verify the business name on the contract.
- Ask who will actually perform the work.
- Clarify who handles applicable permits and inspections.
2. Compare written estimates—not just totals
Two contractors can quote different prices because they are proposing different scopes. Compare what each contractor intends to remove, install, replace and exclude.
3. Make sure the scope explains the whole roofing system
- Tear-off or existing-roof treatment
- Roof-deck inspection and replacement terms
- Underlayment and leak protection
- Drip edge and perimeter details
- Flashing at walls, chimneys, valleys and penetrations
- Starter and hip/ridge components
- Ventilation evaluation
- Debris removal and cleanup
4. Understand product and workmanship warranties
Manufacturer coverage may apply to roofing products, while the contractor may separately provide workmanship coverage. Ask what each warranty covers, how long it applies and what exclusions exist.
5. Pay attention to communication
Clear communication should include who your contact is, how schedule changes are communicated and how unexpected conditions are documented and approved.
Roofing contractor warning signs
Questions to ask a roofing contractor
- What roofing system are you proposing and why?
- What existing materials will be removed?
- How do you evaluate and price damaged decking?
- Which flashing components will be replaced?
- How will attic ventilation be evaluated?
- Who handles applicable permits and inspections?
- Who supervises the project?
- How are unexpected changes approved?
- What cleanup and property protection are included?
- What product and workmanship warranties apply?
Roofing contractor FAQs
How many roofing estimates should I get?
For substantial non-emergency work, comparing more than one written estimate can help you understand differences in scope, materials, warranties and price.
Should I hire the lowest bidder?
Not automatically. First make sure the estimates cover comparable work.
How do I verify a roofing contractor?
Check the licensing and insurance requirements applicable in your state or locality and verify the contractor using appropriate official sources where available.