Your roof is one of the most significant components of your home — and replacing or repairing it is one of the largest home improvement investments you’ll make. Unfortunately, roofing is also an industry known for fly-by-night contractors, storm chasers, and substandard work that looks fine from the street but fails within a few years.
Choosing the right roofing contractor matters enormously. The quality of the installation affects everything from how long your new roof will last to whether your manufacturer warranty is actually valid. At Cal Coast Roofing, we’ve seen firsthand what happens when homeowners choose contractors based on price alone — and it’s rarely a good story.
Here are eight questions you should ask any roofing contractor before signing a contract.
Question 1: Are You Licensed and Insured?
Why It Matters
In California, all roofing contractors are required to hold a valid contractor’s license issued by the California Contractors State License Board (CSLB). Specifically, roofing work requires a C-39 Roofing Contractor license. This license verifies that the contractor has demonstrated competency and passed background checks.
Beyond licensing, any contractor working on your property should carry general liability insurance and workers’ compensation insurance. If an uninsured worker is injured on your roof, you could be held financially responsible. If an uninsured contractor damages your property, recovery can be extremely difficult.
What to Ask
Request the contractor’s license number and verify it directly on the CSLB website (cslb.ca.gov). Ask to see proof of insurance certificates and confirm the policy is current.
Question 2: Do You Have Local References I Can Contact?
Why It Matters
Any established roofing contractor should be able to provide references from recent local customers. Speaking with past customers gives you firsthand insight into how the contractor communicates, how they handle problems, whether they completed the job on time and on budget, and how the finished roof has held up.
What to Ask
Request at least two or three references from jobs completed within the past 12–18 months in your area. Ask the references specifically about the crew’s professionalism, how the contractor handled any issues that arose mid-project, and whether they’d hire them again.
Question 3: Will You Pull the Required Permits?
Why It Matters
Most full roof replacements require a building permit from your local municipality. Permits exist to ensure the work is inspected and meets local building codes. Contractors who suggest skipping permits are either cutting corners, avoiding accountability, or both — and unpermitted work can create serious problems when you go to sell your home.
What to Ask
Ask the contractor directly whether a permit is required for your project and who is responsible for pulling it. The contractor should pull the permit, not you. If they suggest the permit is unnecessary for a job that clearly requires one, treat that as a red flag.
Question 4: What Roofing Materials Do You Recommend, and Why?
Why It Matters
A trustworthy contractor will ask about your goals, your budget, and your home’s architecture before recommending a specific product. They should be able to explain the differences between options — including lifespan, warranty coverage, and cost — in plain language. Contractors who push a single product without understanding your situation may be motivated by margin rather than your best interest.
What to Ask
Ask what materials they recommend for your specific roof type and climate, and ask them to explain the pros and cons of each option. Ask whether they are a certified installer for the manufacturer whose products they’re recommending, as certified installers can often offer extended warranties.
Question 5: Who Will Actually Be Doing the Work?
Why It Matters
Some roofing companies function primarily as sales organizations — they sign the contract and then subcontract all actual work to crews they don’t directly employ or supervise. While subcontracting isn’t inherently bad, it can create accountability gaps if something goes wrong.
What to Ask
Ask whether the crew that will work on your roof is employed directly by the company, or whether the work is subcontracted. If subcontracted, ask how the company ensures quality control and what their process is for handling issues discovered during or after installation.
Question 6: What Does the Warranty Cover?
Why It Matters
Roofing warranties come in two distinct forms, and understanding the difference matters. Manufacturer warranties cover defects in the roofing materials themselves — but they often have conditions, including installation by a certified contractor. Workmanship warranties, offered by the contractor, cover the installation itself and are your primary protection if the roof leaks or fails due to improper installation.
What to Ask
Ask for specifics: How long is the workmanship warranty? What exactly does it cover? Is the manufacturer warranty a standard warranty or an enhanced warranty available through certified contractor programs? Get all warranty terms in writing before signing.
Question 7: What Is the Project Timeline and Cleanup Process?
Why It Matters
A new roof installation creates significant disruption — noise, debris, and restricted access around your home. Knowing the expected timeline and how the contractor manages the worksite helps you plan accordingly and sets clear expectations on both sides.
What to Ask
Ask how many days the project is expected to take, what time the crew typically starts and finishes each day, and how debris and old roofing materials will be disposed of. A professional contractor will use a magnetic roller to pick up stray nails, ensure all debris is removed daily, and leave your property clean at the end of each workday.
Question 8: Can I See a Detailed Written Estimate?
Why It Matters
Verbal quotes are not binding and create room for misunderstandings or unexpected charges. A written estimate should detail the scope of work, materials to be used (including brand and product line), cost breakdown, payment terms, and project timeline. If a contractor is reluctant to provide this in writing, walk away.
What to Ask
Request a written estimate before agreeing to anything. Compare estimates from at least two or three contractors — not just on price, but on the completeness and clarity of the proposal. The lowest bid is rarely the best value if corners are being cut on materials or labor.
Why Cal Coast Roofing
Cal Coast Roofing is a licensed, insured roofing contractor serving San Jose, Saratoga, Los Gatos, Campbell, Santa Cruz, Scotts Valley, and the surrounding South Bay. We pull permits, use manufacturer-certified installation practices, provide written workmanship warranties, and clean up thoroughly after every job.
We’re happy to answer all eight of the questions above — and any others you have. Contact us today to schedule a free roof inspection or request a written estimate with no obligation.