Homeowner Guide

Vetting Contractors What To Actually Ask

Keystone Editorial May 14, 2026 5 min read

Vetting A Contractor

The most expensive renovation you’ll ever pay for isn’t the high-end one. It’s the cheap one that has to be redone. We see at least one homeowner a quarter walk into our office after another contractor abandoned the project, did substandard work, or quoted a number that ballooned by 40% halfway through. The warning signs were almost always there at the start.

This is the checklist we’d hand a friend before they signed any renovation contract in Metro Atlanta. Some of it sounds obvious. All of it gets skipped regularly by homeowners eager to start. Read it before you commit. It’s the cheapest insurance you’ll buy this year.

Contractor reviewing renovation plans with a Marietta homeowner
The questions that separate honest contractors from sales pitches

Why The Cheapest Quote Costs The Most

The cheapest bid usually means one of three things. The contractor is desperate for work and underquoting to win the job. They’re inexperienced and don’t know what they don’t know. Or they’re planning to make up the difference through change orders once you’ve signed and the demolition has started.

The honest framing is that legitimate contractors in Metro Atlanta have roughly similar overhead, similar labor costs, and access to similar material pricing. Quotes that vary by 20% or more on the same scope deserve a second look. Not always wrong, but always worth asking why. The contractor who can explain the gap clearly is usually the one telling the truth.

License & Insurance

Georgia general contractor license, general liability coverage, and active workers comp. Three documents that should arrive without you having to ask twice.

References & Reviews

Not just star ratings. Actual project conversations with three recent clients, ideally one from six months ago to verify how the work has held up.

Process & Communication

Written line-item estimates, scheduled weekly check-ins, written change orders. A documented process is what separates a project from a sales pitch.

Questions That Reveal The Truth

A working list of questions to ask before you sign anything. The good contractors will welcome them. The ones who get defensive or vague are answering for you. Bring this to every walkthrough.

  • Can I see your Georgia general contractor license number?
  • Who pulls the permit, you or me?
  • Do you carry general liability and workers comp insurance?
  • Can I see three references from projects similar in scope?
  • Will I get a line-item estimate, not a single lump-sum number?
  • How are change orders documented and approved in writing?
  • What’s your payment schedule and is it tied to milestones?
  • Who is on site each day and who is my primary point of contact?
  • What happens if your timeline slips beyond the buffer week?
  • Do you offer a written warranty on labor and materials?

Note: One signal that’s almost always reliable is to ask to see a project the contractor finished six months ago, not one finished last week. New projects always look good. The honest test is whether the work still looks good after a season of normal use, settling, and weather.

Keystone Extreme licensed contractor team on site in Marietta
Renovation project walkthrough with homeowner Georgia general contractor licensing certificate Contractor insurance and bonding documentation Renovation crew at work on a Metro Atlanta project Licensed plumbing rough-in during renovation
From the project archive
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Licensed, insured, and based in Marietta since day one. Get a free estimate, ask us anything from the list above, and see how we answer before you commit.

Frequently Asked Questions

Three is the sweet spot. One quote gives you no comparison. Two leaves you guessing which is right. Three lets you see where the median lands and which outlier is suspicious. More than three usually wastes everyone’s time and can stretch out your start date by weeks.
Somewhat. Look for patterns, not stars. A contractor with 4.6 stars and 80 thoughtful reviews is more reliable than one with 5 stars and 12 generic reviews. Pay close attention to how the contractor responds to negative reviews. That tone tells you what the relationship will look like if something goes wrong on your project.
Cash-only payment, no permits proposed, vague estimates without line items, no proof of insurance, pressure to sign on the first visit, large deposits requested before work begins, and an inability to provide local references. Any one of these on its own is a warning. Two or more is a walk-away.
Yes, with no exceptions for any project that requires permits. In Georgia, a residential or general contractor license means accountability through the state, insurance requirements, and bond protections. An unlicensed contractor can disappear with your deposit and you have very little recourse. The savings are never worth the risk.
Walk away. Legitimate contractors with steady pipelines never pressure homeowners. Urgency tactics like "today only pricing" or "I need to lock you in before the quote expires" usually mean either the contractor is desperate for work or trying to prevent you from comparing them to other bids. Either way, the answer is no.
Keystone Extreme Renovations
Keystone Extreme Renovations

Hi, we’re Keystone Extreme

Licensed Georgia general contractor based in Marietta, serving Metro Atlanta. Get a free estimate and put us through the same checklist you read above.

(770) 378-0094