Choosing a roofing contractor is one of the most important decisions a homeowner can make. Your roof protects everything beneath it, and poor workmanship can lead to leaks, structural damage, and costly repairs down the road. With so many contractors to choose from, knowing what to look for can help you avoid common pitfalls and select a professional you can trust.
Here are the most important factors to consider when choosing a roofing contractor.
1. Verify Licensing, Insurance, and Credentials

A reputable roofing contractor should be properly licensed and fully insured. Licensing requirements vary by state and municipality, but insurance is non-negotiable. Always confirm that your contractor carries both liability insurance and workers’ compensation coverage. This protects you from being held responsible for accidents or property damage during the project.
2. Look for Proven Local Experience
Roofing systems must perform under local weather conditions. Contractors with experience in your area understand how seasonal temperature changes, wind, rain, and snow affect roofing materials and installation methods. A local contractor is also more likely to stand behind their work long after the job is complete.
3. Ask About Material Options and Manufacturer Certifications
Not all roofing materials are created equal, and neither are the contractors who install them. A qualified roofing contractor should explain the pros and cons of different materials such as asphalt shingles, metal roofing, or specialty systems, and recommend options that fit your home and budget.
Some contractors also earn manufacturer certifications, which often indicate advanced training and adherence to strict installation standards.
4. Get a Detailed, Written Estimate
A professional roofing estimate should clearly outline:
- Scope of work
- Materials being used
- Labor costs
- Timeline
- Warranty information
Be cautious of vague estimates or unusually low bids. In many cases, a low price can signal shortcuts, inferior materials, or incomplete work that leads to problems later.
5. Understand Warranties and Workmanship Guarantees
Roofing projects typically include two types of warranties: manufacturer warranties on materials and workmanship warranties from the contractor. Make sure you understand what is covered, how long coverage lasts, and who to contact if issues arise after installation.
6. Avoid High-Pressure Sales Tactics
Reputable contractors allow homeowners time to review estimates, ask questions, and make informed decisions. Be wary of contractors who demand large upfront payments, push “today-only” pricing, or pressure you to sign before fully understanding the project.
7. Check Reviews, References, and Past Work
Online reviews, testimonials, and project photos can provide valuable insight into a contractor’s reliability and workmanship. When possible, ask for references from recent projects and look for consistency in feedback regarding communication, cleanliness, and follow-through.
8. Prioritize Communication and Transparency
Clear communication is essential throughout a roofing project. The right contractor should explain the process, keep you informed of progress, and be available to answer questions. Strong communication often reflects professionalism and accountability.
Work With A Reliable Roofing Contractor in Delaware County, PA
Choosing the right roofing contractor comes down to experience, credibility, and long-term accountability. Homeowners should prioritize companies with a proven track record, deep local roots, and the ability to handle everything from routine repairs to complex roofing and exterior restoration work.
In Delaware County and the surrounding areas, companies like Strath Haven Roofing & Restoration exemplify the qualities homeowners should look for. With decades of service, a fully licensed and insured operation, and in-house teams experienced in roofing, siding, gutters, and restoration work, established contractors demonstrate the value of consistency and craftsmanship over time.
A roofing contractor with long-standing community presence is more likely to stand behind their work, honor warranties, and provide reliable service long after the project is complete. By choosing a contractor with verified experience, transparent estimates, strong customer feedback, and a commitment to quality materials, homeowners can protect their investment and move forward with confidence, knowing their roof is built to last.