Your roof is likely the most expensive exterior component of your home, yet most homeowners only replace it once or twice in a lifetime. That makes how to choose a roofing contractor one of the highest-stakes decisions you’ll ever make.
A great contractor delivers a watertight roof that lasts 25–50 years. A bad one leaves you with leaks, voided warranties, and repair bills that can exceed the original job cost.
After helping hundreds of homeowners navigate this process (and seeing the fallout from poor choices), here are the proven steps reliable contractors wish every client knew.
Why Choosing the Wrong Roofer Is So Expensive
Industry data shows that more than 60% of roof replacements have at least one major deficiency within five years when installed by unqualified crews.
Common consequences include premature granule loss, improper flashing, poor ventilation leading to ice dams, and total roof failure during the first big storm.
The average cost to correct these mistakes?
$8,000–$18,000 on top of what you already paid. Taking time upfront to vet contractors properly is the single best investment you can make in your home.
How to Choose a Roofing Contractor: 9-Step Process
- Start Local and Stay Local
National “storm chaser” companies and out-of-state crews flood areas after hail or wind events. They often disappear when callbacks are needed.
Choose a contractor who has operated in your county for at least 7–10 years. Longevity proves they’ve survived economic cycles, warranty claims, and customer scrutiny.
- Verify Licensing, Insurance, and Bonding (Non-Negotiable)
Here are some things you shouldn’t ignore, no matter what:
- Active state or local contractor license (check your state’s licensing board website)
- General liability insurance of at least $1 million per occurrence
- Workers’ compensation coverage (protects you from being sued if a worker is injured)
- Surety bond is required in your area
Ask to see certificates and call the insurance carrier to confirm the policy is current.
- Demand Manufacturer Credentials
Top shingle brands (GAF, CertainTeed, Owens Corning, Malarkey) offer enhanced warranties only when the job is installed by factory-certified crews.
A “Master Elite” (GAF), “Select Shingle Master” (CertainTeed), or “Platinum Preferred” (Owens Corning) designation means the company has passed rigorous vetting, carries higher insurance minimums, and has a track record of quality.
- Read Reviews the Right Way
Look beyond the star rating. Check Google, BBB, Angi, GuildQuality, and local Facebook groups. Pay attention to:
- How the company responds to negative reviews (professional vs. defensive)
- Patterns in complaints (repeated mentions of leaks, cleanup issues, or communication problems)
- Reviews that mention specific employees by name and show consistency
- Ask for Recent Local References—and Actually Call Them
Any legitimate contractor can produce three happy customers from five years ago. Ask for three jobs completed in the last 6–12 months within 20 miles of your home.
When you call, ask:
- Did they finish on time and on budget?
- Were change orders explained clearly?
- How was the cleanup and property protection?
- Would you hire them again tomorrow?
- Compare Written Estimates Carefully
Apples-to-apples bids should all include:
- Full removal of old layers vs. overlay
- Ice & water shield coverage (entire roof in cold climates, valleys + eaves minimum)
- Type and brand of underlayment (synthetic vs. #30 felt)
- Flashing material (aluminum, copper, or pre-finished steel)
- Ventilation calculations
- Warranty details (workmanship + manufacturer)
The lowest price almost always cuts corners in one of these areas.
- Understand Workmanship Warranty Length and Terms
Manufacturer warranties cover the shingles. The contractor’s workmanship warranty covers the installation.
Reputable companies offer 10–25 years (or lifetime) workmanship coverage backed by insurance, not just their word. Ask to see the warranty registration form before signing.
- Watch for Red Flags During the Sales Process
These are some of the undeniable red flags:
- High-pressure “sign today for 30% off” tactics
- Cash-only discounts or no physical office address
- Refusal to provide proof of insurance or licensing
- “We’ll deal with your insurance later” language
- Subcontracted crews with no direct employees
- Trust Your Gut on Communication and Professionalism
The contractor you choose will have people on your property for days or weeks. If phone calls aren’t returned promptly during the estimate phase, imagine what callbacks will be like in year eight.
Bottom Line: Peace of Mind Is Worth the Effort
Investing a few extra hours to properly choose a roofing contractor can literally save you tens of thousands of dollars and years of headaches. The right roofer becomes a long-term contact who will be there when the next storm hits.
Your home deserves the best protection. By following the steps above, you will most likely hire a contractor who delivers exceptional workmanship, honors warranties, and treats your property with respect.
Ready for a new roof that actually lasts?
Start with local, credentialed professionals, and never settle for less than complete confidence in your choice.
