Choosing the right roofing contractor is critical to avoid costly mistakes and ensure a smooth project. Before hiring, ask these 20 essential questions to evaluate their qualifications, experience, and reliability. Here’s a quick overview of what to focus on:
Key Areas to Cover:
- Licenses and Insurance
- Verify state and local licenses.
- Confirm general liability and workers’ compensation insurance.
- Experience and References
- Check years in business (5+ years is ideal).
- Review past projects, photos, and client references.
- Certifications
- Look for manufacturer certifications like GAF MasterElite or Owens Corning Platinum.
- Project Details
- Get a written contract covering scope, materials, timeline, and payment terms.
- Costs and Payment
- Understand deposit rules, payment methods, and total cost breakdown.
- Permits and Cleanup
- Confirm permit management and post-project site cleanup plans.
- Warranties
- Ensure warranties cover both materials and labor.
Quick Comparison Table:
| Evaluation Area | What to Check | Red Flags |
|---|---|---|
| Licenses & Insurance | Valid documents | Missing or expired certifications |
| Work History | 5+ years, positive reviews | Short tenure, negative feedback |
| Certifications | Top-tier (e.g., GAF, Owens Corning) | No certifications |
| Cost Transparency | Detailed estimates | Vague or hidden fees |
| Cleanup & Permits | Clear plans | No mention of site cleanup |
Questions to Ask When Hiring a Roofer
Legal Requirements and Insurance
Make sure your roofing contractor has the proper licenses and insurance to safeguard your home and investment.
Checking State and Local Licenses
Licensing rules differ depending on where you live. Some states require specific roofing licenses, while others only need a general contractor license . Here’s how to check a contractor’s licensing:
- Ask for license numbers: Request both state and local license details.
- Verify through official tools: Use your state’s contractor license lookup service.
- Confirm local requirements: Contact your city or county office to see if additional credentials are needed.
In many areas, contractors must pass exams, submit financial records, and provide references to get licensed . This ensures they meet the required legal standards.
Insurance Coverage Types
Professional roofers should have at least these two types of insurance:
| Insurance Type | What It Covers | Why It’s Important |
|---|---|---|
| General Liability | Damage to property and non-worker injuries | Protects against accidental property damage |
| Workers’ Compensation | Employee injuries and lost wages | Prevents liability for worker injuries |
Roofing is a risky job. The fatal injury rate is 51.5 per 100,000 workers, compared to 3.5 across all industries .
Documentation Requirements
Ask for up-to-date insurance certificates, copies of state and local licenses, and any bond details.
Trustworthy contractors will provide these documents without hesitation. If they hesitate or refuse, treat it as a warning sign and look for a more reliable professional.
Once you’ve confirmed legal and insurance credentials, move on to reviewing the contractor’s work history.
Work History and References
Years in Business
Most roofing companies don’t make it past four years . Contractors with a longer track record show they have stable operations, financial backing for warranties, and a strong grasp of local needs. If a contractor has been around for more than five years, it’s a good sign they understand the market and deliver consistent results.
"Experience matters because the longer you’ve been in business, the more consumers will perceive your company as one of quality"
Past Project Examples
Before committing to a contractor, take a close look at their previous projects. Be on the lookout for contractors who provide:
- Photo Documentation: Before-and-after photos of similar jobs
- Client References: Contact details for past clients
- Online Reviews: Honest feedback about their work
"David and Team were great to work with from Day 1. They came over to the house the same day I called to provide quotes for both my roof and gutters. They had both projects done in a day and cleaned up afterwards. Highly recommend working with them on your next project!"
Reviewing these examples can give you a clearer picture of their skills and professionalism.
Professional Certifications
Manufacturer certifications highlight a contractor’s dedication to quality and ongoing training. Here are two key programs:
- GAF Certifications :
- Only 2% of roofers achieve MasterElite status
- MasterElite contractors must have at least seven years in business
- Certified™ status requires three years of verified experience
- Owens Corning Certifications :
- Platinum Contractors are the top tier
- Contractors must pass installation inspections and hold proper licenses
- They can offer lifetime warranties on product defects
"Top-tier certifications acknowledge the expertise of the roofing company. The materials manufacturer feels so strongly about the craftsmanship of the roofing company that they allow them to offer upgraded warranties to their customers. These warranties are valid even if the roofing company should go out of business."
These certifications not only allow contractors to offer better warranties but also demonstrate their commitment to professional growth.
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Project Planning and Timeline
Written Documentation
Make sure to get detailed written documentation covering all aspects of the project. A professional contractor should provide a document that includes:
- Project scope and specifications
- Types and quantities of materials
- Start and completion dates
- Payment terms and schedule
- Warranty details
"The start date is the day that the roofing contractor will begin work on your roof. You need to make sure this date meets your needs and schedule. The estimated completion date gives an idea of how fast the roofing contractor finishes the job. A roofing professional should be able to complete a roofing project on time." – Brian Dawson Roofing
Having a clear contract ensures you’re on the same page with your contractor. Once you have this, confirm the project’s timeline.
Project Duration
Knowing how long the project will take helps you plan better. Timelines depend on factors like roof size, material type, and complexity. Here’s a general idea of installation times:
| Roofing Material | Installation Time (for 1,000 sq. ft.) |
|---|---|
| Asphalt Shingles | 1-3 days |
| Metal Roofing | 1-3 days |
| Tile Roofing | 2-5 days |
| Slate Roofing | 3-7 days |
| Flat Roofing | 2-4 days |
For most standard homes with asphalt shingles, the roof can often be replaced in a single day . However, larger or more intricate projects may take longer. Keep in mind that weather and other unforeseen factors can also affect the timeline.
Once you’ve got a handle on the timeline, it’s time to choose materials wisely.
Material Selection
Choosing the right materials is key to avoiding delays. When discussing options with your contractor, focus on these points:
- Material Availability: Check how quickly materials can be delivered .
- Weather Conditions: Some materials need specific weather for proper installation.
- Installation Requirements: Understand the unique needs of your chosen material.
"Communication with your roofing contractor is crucial in such situations to understand the reasons for the delay, reassess the timeline and budget if needed, and work together to mitigate any further disruptions and ensure the project is completed satisfactorily." – Cassie Findley, Content Manager at RoofCrafters
Staying informed and maintaining open communication with your contractor can help ensure a smoother project experience.
Costs and Payment Terms
Deposit Requirements
When hiring a roofing contractor, knowing the deposit rules is essential. In California, deposits for home improvement projects are limited to $1,000 or 10% of the contract price, whichever is smaller . Make sure your deposit terms include a written schedule outlining specific milestones and due dates. This helps keep the project on track and your finances organized.
Accepted Payment Methods
Roofing contractors typically accept a variety of payment methods. Interestingly, 65% of homeowners prefer using credit cards over cash or checks .
| Payment Method | Benefits | Considerations |
|---|---|---|
| Credit/Debit Cards | Quick processing, potential rewards | Processing fees might apply |
| eChecks | Secure, fast online transactions | Requires bank account details |
| Traditional Checks | No extra fees | Slower to process |
| Financing Plans | Spread payments over time | Interest rates can vary |
Providing a clear cost breakdown alongside flexible payment terms ensures transparency and helps homeowners plan their expenses effectively.
Total Cost Breakdown
Here’s a look at current U.S. averages for roofing costs:
- Basic Materials:
- Asphalt shingles: $3–$5 per square foot
- Metal roofing: $5–$14 per square foot
- Tile roofing: $7–$10 per square foot
- Additional Costs:
- Labor: 40–60% of the total cost
- Old roof removal: $1–$5 per square foot
- Permits: $100–$1,000
- Inspections: $100–$300
- Waste disposal: $200–$500
"Financing is an excellent way to get your services in front of more people since homeowners can make payments over time rather than pay it all at once." – JobNimbus
It’s smart to set aside an extra 10–20% of your budget for unexpected expenses. Be cautious of choosing the lowest bid – some contractors might offer low estimates but tack on hidden fees later . Clear financial planning helps lay the groundwork for addressing local permits and finalizing the project.
Building Codes and Project Completion
Permit Management
It’s crucial to ensure your contractor handles all permits and adheres to local building codes, including IRC and IBC . When discussing this with your contractor, confirm they will:
- Obtain permits: Secure the necessary paperwork before starting work.
- Schedule inspections: Plan and coordinate inspections throughout the project.
- Address local code amendments: Ensure compliance with any regional updates or changes to codes.
"Building codes are laws that set minimum requirements for how structural systems, plumbing, heating, ventilation and air conditioning (HVAC), natural gas systems and other aspects of residential and commercial buildings should be designed and constructed." – National Institute of Standards and Technology
Once the permit process is clear, move on to discussing how the contractor will manage site cleanliness during and after the project.
Site Cleanup Process
Keeping the site clean throughout the project is non-negotiable. Confirm that your contractor’s cleanup plan covers the following:
| Phase | Actions Required | Verification Method |
|---|---|---|
| During Work | Daily debris removal, magnetic sweep for nails | Regular site walkthroughs |
| Post-Installation | Gutter cleaning, full property inspection | Checklist completion |
| Final Stage | Waste disposal per local regulations | Disposal documentation |
"At Cloud Roofing, we believe that the roofing process isn’t complete until your property is as clean as it was before we started." – Cloud Roofing
Once cleanup plans are in place, focus on understanding the warranty terms and post-installation support.
Warranty and Support
Make sure the installation follows the manufacturer’s guidelines to maintain warranty coverage . This ties into earlier discussions about proper documentation and contractor reliability.
Key points to discuss include:
- Installation Standards: Confirm the work meets manufacturer specifications.
- Warranty Documentation: Request copies of warranties for both materials and labor.
- Support Process: Understand how any post-installation issues will be handled.
"Roof assemblies shall be designed and installed in accordance with this code and the approved manufacturer’s instructions such that the roof assembly shall serve to protect the building or structure."
Important documents to collect:
- Warranty terms, including duration.
- Emergency contact details for quick assistance.
- Maintenance requirements to keep the warranty valid.
- Records of installation and any repairs.
Next Steps
Now that your questions are answered, it’s time to fine-tune your decision-making process. Use the table below to compare contractor responses and spot any potential issues:
| Evaluation Area | What to Compare | Red Flags to Watch |
|---|---|---|
| Documentation | License numbers, insurance certificates | Missing or expired documentation |
| Warranties | Workmanship coverage length | Coverage shorter than 10 years |
| Estimates | Line-by-line cost breakdown | Vague scope or hidden fees |
| Property Protection | Detailed protection plan | No mention of protection measures |
These factors will help you flag any concerns before proceeding.
"A trustworthy roofing company will try to help you make the best decision for your home by giving you all the details you need."
Checklist Before Finalizing Your Choice
- Look at customer reviews from the past 2–3 months.
- Confirm the contractor’s track record in your area.
- Request three references and follow up with them.
- Make sure all warranty terms are clearly documented.
Final Preparations After Choosing a Contractor
Once you’ve selected your contractor, take these steps to ensure everything is ready:
- Review the Contract
Double-check that all project details are clearly outlined. - Secure Approvals
Obtain building permits and any necessary HOA approvals. - Prepare Your Property
- Clear the work area.
- Decide on dumpster placement.
- Protect landscaping or valuable outdoor items.
- Let your neighbors know about the upcoming work.
These steps will help set the stage for a smooth project.

