Questions to Ask Your Contractor
Essential questions that separate professionals from shortcuts
The Problem, Stated
Choosing a contractor for a home improvement project is one of the most consequential decisions a homeowner makes. Your contractor's work will be visible every day for the next decade or more. Yet most homeowners hire based on a phone quote and a handshake. This disconnect between the stakes and the vetting process explains why so many projects disappoint. A contractor who delivers exceptional results isn't magical—they're methodical. They ask hard questions before starting. They document everything. They understand not just how to do the work, but how to do it correctly. The questions you ask upfront determine whether you'll get that caliber of professional or someone just looking for a paycheck.
The right questions reveal three things: whether the contractor understands your specific situation, whether they've thought through potential complications, and whether they take pride in their work. Here's how to find out.
The Mistake Most People Make
I once hired a contractor based entirely on being the cheapest bid. He finished fast, but within two years the roof was leaking and the siding was pulling away. When I called him, he said the warranty was already expired. I learned that the lowest price almost always means cuts you didn't authorize.
What It Should Look Like When Done
Questions to Ask Before Committing
How long have you been in business and what licenses do you carry?
A contractor's tenure matters. Fly-by-night operations rarely have deep experience. Ask specifically about licenses relevant to your work—a roofing contractor should carry roofing licenses, insurance, and possibly bonding depending on your state. Verify these independently with your local licensing board rather than taking their word.
Can you provide references from completed projects similar to mine?
Three to five recent references are reasonable. Call them. Don't just ask "Were you happy?" Instead ask "Did they finish on time?" and "Would you hire them again?" If a contractor won't provide references or becomes evasive, that's a red flag. A confident professional welcomes scrutiny.
What happens if something goes wrong during the project?
This reveals how they handle complications. A good answer acknowledges that surprises happen, explains their process for addressing them, and includes whether they'll consult you before deviating from the estimate. A bad answer suggests they won't encounter problems—which means they haven't thought it through.
What warranty do you offer on materials and workmanship?
The specific details matter here. Is it one year, five years, or a decade? Does it cover labor and materials separately? What does the customer need to do to maintain warranty coverage? A weak or unclear warranty answer suggests they don't stand behind their work.
What to Consider First
Communication Style
Does the contractor listen to your concerns, or do they steamroll the conversation? During your initial meetings, pay attention to whether they ask questions and clarify your expectations. A professional collaborates rather than dictates.
Written Documentation
Everything should be documented in a written contract. Vague agreements lead to disputes. A solid contract specifies scope, materials, timeline, payment schedule, warranties, and what happens if plans change. Never start work on a handshake.
Insurance Coverage
Verify they carry liability insurance and workers' compensation. Request a Certificate of Insurance. If someone gets injured on your property, you could be held liable unless the contractor carries proper coverage.
The best contractors expect these questions. They've answered them hundreds of times. They see your due diligence as a sign that you take the project seriously, which means they can do the same. If a contractor seems irritated by questions or gives vague answers, you've learned something important about how they'll handle your project. Trust your instincts. The time invested in these conversations upfront will save you money and heartbreak down the road.