7 Questions to Ask Any Contractor Before You Sign Anything

Picture this: you've got a contractor standing in your kitchen, clipboard in hand, telling you the job will be done in two weeks. Three months later, you're still eating takeout because the cabinets haven't arrived, half the crew stopped showing up, and the original estimate has somehow grown by $4,000. Sound familiar? If it hasn't happened to you personally, you probably know someone it's happened to.

Here's the thing. Most homeowners walk into that first contractor conversation as the one being evaluated — feeling grateful when someone shows up on time, nodding along when technical jargon flies over their heads, signing the estimate because they genuinely don't know what else to do. That dynamic costs homeowners thousands of dollars every year. Not because contractors are all dishonest, but because contractors have this conversation every single day. Most homeowners have had it twice in their lives. The information gap is structural, and it almost always favors the contractor.

These seven questions level that playing field. They don't require any technical knowledge. They require nothing more than the willingness to ask them — and the ability to recognize what a good answer actually sounds like.

1. How to Verify a Contractor's License Before Any Work Begins

This is always the first question, and it trips up more homeowners than you'd expect. Licensing isn't one-size-fits-all — it varies by state, by trade, and sometimes by project type. A general contractor license doesn't automatically cover electrical, plumbing, or HVAC work. You need to ask specifically what license applies to your project, and then ask to see it.

What you're listening for: a confident, specific answer. Something like, "I hold a Class C electrical contractor license — here's the number, you can look it up." What you're not listening for: vague reassurances, the phrase "we're bonded" used as a substitute (bonding is different from licensing), or visible irritation at being asked. In our experience, contractors who get defensive about a license question are telling you something important about how the rest of the job will go.

2. What Insurance Do You Carry — and Can Your Insurer Send Me a Certificate Directly?

Two types of coverage matter here: general liability, which covers damage to your property, and workers' compensation, which covers injuries to workers on your job site. Without both, you could be on the hook for accidents that happen on your own property — regardless of whose fault they were.

Don't accept a verbal "yes, we're insured." That's not enough. Ask them to have their insurance company send a certificate of insurance directly to you — not forwarded through the contractor, sent directly. This is standard practice in the industry and takes about five minutes to arrange. Contractors who push back on this, or who stall, are displaying one of the more reliable contractor red flags you'll encounter. Any legitimate operation does this without hesitation.

3. Does This Project Require Permits — and Who Pulls Them?

Turns out, a lot of homeowners have never thought much about permits. They feel like bureaucratic hassle — something that slows things down and costs extra. But here's what permits actually are: they're protection for you, not the contractor. An unpermitted electrical panel replacement, an HVAC swap done without a permit, a structural change that never got inspected — all of these can void your homeowner's insurance, create serious problems when you try to sell, or result in forced removal if the work is discovered later.

A qualified contractor will know immediately whether your project requires permits. And the answer to "who pulls them" should always be: the contractor. If someone asks you to pull your own permits, that shifts legal liability onto you. It also often means they'd rather keep their name off the public record. Walk away.

4. What to Look for in a Contractor Estimate: Demand a Line-Item Breakdown

A single total on an estimate tells you almost nothing. One number doesn't let you compare bids intelligently, doesn't give you anything to hold the contractor accountable to, and doesn't reveal where the real markup is hiding.

A proper contractor estimate breaks out the cost of materials, labor, equipment, and any separate charges as individual line items. This is what you need. When you get three bids and they're all lump sums, you can't actually compare them — you're just guessing. When they're line-item estimates, you can see exactly where one contractor is significantly higher or lower than another, and you can have an informed conversation about it.

And look, if a contractor resists giving you a line-item breakdown, that resistance is its own kind of answer. It almost always means significant markup on materials or labor that wouldn't survive scrutiny. This one is non-negotiable. Any legitimate contractor working on a residential project will provide one. Those who won't usually have a reason not to.

5. How to Negotiate With a Contractor on Payment Terms — and What a Fair Schedule Looks Like

The payment schedule tells you how much leverage you retain throughout the job. Pay too much up front and you've handed away your ability to motivate completion. Hold too much back and you may have trouble attracting quality contractors to begin with. There's a reasonable middle ground, and it's worth knowing where it is.

Here's a reasonable structure: no more than 10–30% upfront as a deposit, with subsequent payments tied to verifiable milestones you can physically confirm, and a final payment — at least 10–15% of the total — held until the work passes inspection and you've done a thorough walkthrough.

A contractor demanding 50% or more before a single nail gets hammered is waving a significant red flag. Either they're in financial trouble and need your money to fund another job, or they've learned from experience that fully paid clients get deprioritized. Either scenario is a problem worth walking away from before it becomes your problem.

6. Can You Give Me Three References From Projects Completed in the Last 12 Months?

Old references are easy to produce. Anyone can dig up a happy customer from five years ago. Recent references from the past year are far more meaningful because they reflect the contractor's current crew, their current subcontractors, and their current quality standards — which may be very different from what they looked like several years back.

When you call those references, ask four specific questions and pay attention to hesitation as much as answers: Were they on schedule? Did the final cost match the contractor estimate you were given? Was communication reliable and responsive during the project? Would you hire them again without hesitation? The answers to those four questions will tell you more than any review site can.

So why do most people skip this step? Usually because it feels awkward or time-consuming. It isn't. Three phone calls, ten minutes each, can save you months of headache. Do it every time.

7. Questions to Ask Before Signing a Contractor Agreement: Who Will Actually Do the Work?

This one surprises a lot of homeowners. The contractor you interviewed, the one you checked out and felt good about, may not be the person who shows up to work on your house. Many contractors win bids and then subcontract the actual labor to crews they've never worked with before — or haven't used in years.

Before signing a contractor agreement, ask directly: who will be physically on your property, what are their qualifications, and are they your employees or subcontractors? This isn't automatically a red flag. Plenty of excellent contractors use specialized subcontractors for specific trades, and that's perfectly normal. But you have a right to know, and the subs doing the work on your home should meet the same vetting standard as the contractor themselves. If the answer is vague or evasive, push for specifics. Their names, their trade licenses, their experience — all fair game.

Before any major project, it's also worth reviewing what your home inspection report flagged as existing concerns — knowing the baseline condition of your home helps you verify that contractor work actually solved the problem rather than masked it.

What to Do With the Answers You Get

Asking these questions is half the work. The other half is knowing what a genuinely good answer looks like, how to read the fine print in a contractor contract, what to do when two bids differ by 40%, and how to handle a change order if the scope starts expanding mid-job — which it often does.

One more thing worth knowing: the unexpected costs of homeownership don't stop at the contractor estimate. Material delays, permit fees, code upgrades, and scope creep all tend to show up after you've signed. Going in prepared for that reality is half the battle.