Columbus Home & DesignProcessGentry Custom Remodeling
Luxury bathroom remodel by Gentry Custom Remodeling in Dublin, Ohio
Contractor Vetting Guide · Columbus

Red Flags When Hiring a Remodeling Contractor in Central Ohio

Six warning signs that reveal an unreliable contractor before the first nail is pulled, and what a trustworthy process actually looks like in Dublin, Powell, and Upper Arlington.

Columbus Home & Design  ·  7 min read  ·  Process  ·  7.1.26

The feeling you can't quite name

You've done the research. Three contractors have walked through your home, looked at the kitchen, nodded at the right moments. The bids come back and one of them is noticeably lower than the others. There's a part of you that wants to take it, and another part that keeps asking why.

That instinct is worth paying attention to. Most homeowners who end up in a difficult remodeling situation describe the same thing in hindsight: the signs were there early. They just didn't know what they were looking at.

Jennifer waited seven years to remodel her kitchen. Not because she couldn't afford it, and not because she didn't know what she wanted. She kept talking herself out of it because she was afraid of hiring the wrong person and ending up worse off than before. Rob Siegel waited twenty years to finish his basement for the same reason. That fear is not irrational. It comes from real stories told by real neighbors, and it lives in the back of every homeowner's mind when they're about to write the largest check of their year to someone they met three weeks ago.

The good news is that a bad contractor is not hard to identify if you know what to look for before the contract is signed. Ohio has specific licensing requirements through the Construction Industry Licensing Board, and the gap between a contractor who takes those requirements seriously and one who doesn't shows up in predictable ways. What follows is a direct guide to the six most reliable red flags, followed by what a trustworthy process actually looks like in practice.

Six Red Flags That Reveal an Unreliable Contractor

None of these signals alone is a guarantee of a bad outcome. But each one correlates strongly with the kinds of problems that leave homeowners with unfinished work, unexpected costs, and no clear path forward.

Red Flag 01

They Ask for a Large Deposit Upfront

A reputable contractor in Columbus will typically request a modest deposit at contract signing, with the remainder tied to project milestones. A contractor who asks for 50 percent or more before work begins either has cash flow problems or is running a pattern that benefits them and not you. Ohio does not cap contractor deposits by law, which makes this a judgment call, but anything above 40 percent before demo starts is worth questioning directly.

Red Flag 02

No Written Contract, or a Contract That Lacks Detail

A contract protects both parties, and a contractor who resists putting things in writing is a contractor who is leaving room to interpret things differently later. Your contract should specify scope of work, materials by brand and model where applicable, payment schedule, start and estimated completion dates, and a clear process for handling changes. "Trust me" is not a contract term.

Red Flag 03

They Cannot Provide Proof of Insurance

A legitimate remodeling contractor carries general liability insurance and workers' compensation coverage, and they should have no hesitation showing you current certificates for both. General liability protects your home if something is damaged during the work, and workers' compensation protects you from liability if someone is injured on your property. A contractor who is vague about coverage, promises to send certificates later, or treats the question as an imposition is asking you to absorb a risk that should be theirs. You can call the carrier listed on the certificate directly to confirm the policy is active. This one question costs you nothing and tells you a great deal about how a contractor runs their business. All Gentry subcontractors are required to submit valid proof of insurance, workers' compensation, and a contractor's license, verified annually for strict compliance.

Red Flag 04

The Estimate Is Vague or Suspiciously Low

A detailed estimate takes time to produce because it requires actual scoping of the work. A contractor who turns around a number in 24 hours without visiting the space, or whose bid is 30 percent below every other estimate you received, has either not accounted for everything or is planning to make it up in change orders once the project is underway. Neither scenario ends well. Low bids get expensive fast.

Red Flag 05

Communication Slows or Goes Silent During the Process

How a contractor communicates during the sales process is the clearest preview of how they will communicate during construction. If responses slow down after the first meeting, if questions go unanswered for days, if you feel like you are chasing them for basic information: that pattern will not improve once they have your deposit. It will get worse.

Red Flag 06

No Verifiable References or Portfolio

Any contractor worth hiring has a body of completed work they are willing to show you, and homeowners willing to take your call. Ask for three references from projects completed in the last two years. Ask specifically: did the project finish on time, did the final cost match the contract, and would you hire them again without hesitation. One weak answer out of three is worth noting. All three weak answers is your answer.

A home remodeling contract and architectural blueprint resting on a job site countertop

The protections that matter live in the contract, not the conversation

"Gentry was by far the most professional that we have dealt with, always addressing any needs or concerns."
Melissa Stutz · Bathroom Remodel, Muirfield, Ohio

What Ohio Actually Requires from a Licensed Contractor

Understanding the licensing landscape in Ohio takes about ten minutes and can save you from a significant problem. The state does not require a general contractor's license at the state level for residential remodeling, but it does require trade-specific licenses for electrical, plumbing, HVAC, and certain other work. Here is what that means in practice.

Electrical Work

Any electrical work beyond simple fixture replacement requires a licensed electrician in Ohio. The license is issued at the state level through the Construction Industry Licensing Board and is searchable by name or license number. A contractor who uses a handyman or unlicensed subcontractor for panel upgrades, new circuits, or outlet relocation is creating a code compliance problem that becomes yours at resale.

Plumbing

Licensed plumbers in Ohio must pass a state exam and carry liability insurance. Permit requirements for plumbing work vary by municipality, but Dublin, Powell, and Upper Arlington all require permits for new rough-in or supply line relocation. Work done without permits may not be discoverable during a project, but it could appear as a problem during a home sale inspection.

HVAC

Heating, ventilation, and air conditioning work requires separate licensing. Kitchen remodels that add ventilation hoods with exterior exhaust, or bathroom remodels that require new fan installation vented to the exterior, trigger this requirement. Verify the subcontractor, not just the general contractor.

BBB, NARI, and Houzz Ratings

Ohio licensing is the floor, not the ceiling. Above that floor, membership in the National Association of the Remodeling Industry signals a commitment to professional standards and continuing education that most contractors don't pursue. A BBB A+ rating reflects a complaint history, and its absence is information. Houzz ratings reflect project quality from the homeowner's perspective. These three sources together give you a more complete picture than any single review platform.

Sage Herringbone Spa Bath remodel by Gentry Custom Remodeling in Westerville, Ohio

Sage Herringbone Spa Bath · Westerville, Ohio · Gentry Custom Remodeling

"We waited almost 20 years to finish our basement and could not have chosen a better contractor partner than Gentry. Completed ON TIME and ON BUDGET."
Rob Siegel · Basement Remodel, Columbus, Ohio

Three Questions to Ask Every Reference

Most homeowners ask references if they were happy with the work. That question is too broad to be useful. The people a contractor puts forward as references will say positive things. What you're listening for is the specific quality of those positive things, and whether they flinch before answering. Ask these three instead.

Did the project finish within two weeks of the original timeline?

Timelines shift. Materials come in late, tradespeople have scheduling conflicts, discoveries behind the walls require additional work. A project that finishes within two weeks of the original estimate reflects good planning and honest communication from the start. A project that ran six weeks over schedule reflects something else. Listen to how they explain the delay, not just whether there was one.

Did the final cost come within ten percent of the contract price?

Change orders are a normal part of remodeling. What is not normal is a pattern of change orders that appear after work has started for items that should have been scoped in the original contract. A contractor with good estimating and honest upfront communication will deliver a final cost close to the contract number. Ask specifically whether the changes were driven by homeowner decisions or by contractor surprises.

Would you hire them again without hesitation?

Not "would you hire them again," but "without hesitation." The qualifier matters. A pause before a yes is information. An enthusiastic yes with a specific reason, the way Terri Miller described Gentry's project manager making sure she was happy every step of the way, is the kind of answer that tells you something real.

Dublin Spa Retreat bathroom detail by Gentry Custom Remodeling in Dublin, OhioOnyx Spa Primary Bath detail by Gentry Custom Remodeling in Dublin, Ohio

Bathroom details · Dublin, Ohio · Gentry Custom Remodeling

Industry Recognition
NARI Remodeler of the Year 2025

National Association of the Remodeling Industry

Consumer Trust
BBB A+ Rating

Better Business Bureau, verified complaint history

Design Excellence
Best of Houzz

Awarded by homeowners, not a panel

Client Satisfaction
5.0 Google Rating

100+ homes across 12 Central Ohio communities

NARI Remodeler of the Year 2025  ·  BBB A+  ·  5.0 Google Rating

What a Trustworthy Process Actually Looks Like

The opposite of every red flag above is not a contractor who makes big promises. It is a contractor whose process makes promises unnecessary because the structure of how they work answers your questions before you have to ask them.

John Cassell built Gentry around a design-build model specifically because the handoff between designers and builders is where most remodeling problems start. When design and construction are handled by different companies with different incentives, the homeowner ends up in the middle, managing a dispute they didn't sign up for. Chris Alguire oversees quality on every Gentry job site with the same standard he articulated on a Terry Hamman project: "It's so close to being perfect, and I want it to be perfect." That is not a tagline. It is the on-site expectation.

01
Verify Before You Meet

Ask for current proof of general liability and workers' compensation insurance, then check bbb.org for complaint history and trustnari.org for membership. Takes 15 minutes and removes the guesswork.

02
Ask for the Contract Detail

Before signing, confirm scope, materials, payment schedule, and the change order process are all in writing. Ambiguity in a contract always resolves in the contractor's favor.

03
Trust the Reference Call

Call the references. Ask the three questions above. The way a past client talks about their contractor is the most accurate preview you will get of your own experience.

"From our first meeting with Chris Alguire, our onsite project manager, to the craftsmanship of each contractor, we knew we had chosen the right company."
Terry Hamman · Bathroom Remodel, Dublin, Ohio

Frequently Asked Questions: Hiring a Remodeling Contractor in Ohio

What insurance should a remodeling contractor in Ohio carry?

A remodeling contractor should carry general liability insurance and workers' compensation coverage. General liability protects your home if something is damaged during the project, and workers' compensation protects you from liability if a worker is injured on your property. Ask for current certificates for both, and confirm the policies are active by calling the carrier listed on the certificate. A contractor who hesitates to provide this is asking you to absorb a risk that should be theirs.

What should a remodeling contract include in Ohio?

A complete remodeling contract should specify the full scope of work, materials by brand and model where applicable, the payment schedule tied to project milestones, start and estimated completion dates, a clear process for change orders, and warranty terms. A contract that lacks any of these creates ambiguity that is difficult to resolve once work has begun.

How do I spot a bad contractor before signing?

The most reliable signals are: a large upfront deposit request, a vague or unusually low estimate, resistance to a detailed written contract, no proof of current general liability and workers' compensation insurance, slow or inconsistent communication during the sales process, and no verifiable references from recent projects. Any two of these together is a reason to walk away.

Is NARI membership a meaningful credential for a remodeling contractor?

Yes. NARI membership requires adherence to a code of ethics and ongoing professional education. The NARI Remodeler of the Year award is a peer-reviewed recognition, not a paid placement. It is one of the more meaningful credentials in residential remodeling because it reflects how a contractor is regarded by other professionals in the industry, not just by their own marketing.

The homeowners who have the best remodeling experiences are not the ones who got lucky. They are the ones who did their homework before the first check was written, asked direct questions, and trusted the answers they received rather than the ones they hoped to hear.

Jennifer waited seven years because she was afraid of the process. When she finally moved forward with a contractor whose process answered her questions before she had to ask them, the project went exactly the way it was supposed to. The fear of a bad contractor is legitimate. The solution to it is information, not avoidance.

Take the 15 minutes to verify insurance and references. Read the contract before you sign it. Call the references and ask the three questions. The right contractor will welcome every one of those steps, because a contractor who has nothing to hide has no reason to rush you past them.

Gentry Custom Remodeling · Dublin, Ohio

See What a Trustworthy Process Looks Like

Start with a conversation. We will walk your home, answer every question you have, and give you a clear picture of the process before any commitment is made.

6189 Memorial Dr, Dublin OH 43017  ·  24 Five-Star Google Reviews · NARI Remodeler of the Year 2025