Red Flags When Hiring a Renovation Contractor

The money is scheduled to move faster than the work

The single most reliable predictor of a renovation going badly is a payment schedule that stays ahead of what has actually been built. A deposit covering materials ordering and mobilization is normal; a deposit that represents a large share of the total before a single trade has arrived is not, and it is the structure behind almost every abandoned-job story.

Ask for payments tied to completed, inspectable milestones — demolition finished, rough-in passed, drywall closed, final deficiencies cleared — rather than to dates on a calendar. Dates pay out whether or not the work happened; milestones do not. Also look at what is held back for the end. A contractor who expects to be fully paid at the moment they say they are finished has removed your only incentive for them to come back and fix the list of small things every renovation produces.

"You don't need a permit for that" — and the version where they ask you to pull it

Renovations that move walls or touch electrical, plumbing, or gas generally require a municipal permit, and requirements differ enough between cities that you should confirm yours directly with the local building department. A contractor who waves the question away is not saving you money; they are moving a risk onto you. Unpermitted work has a way of surfacing years later — at resale, during an insurance claim, or when the next owner's inspector finds a bedroom in a basement that the city has never heard of.

The subtler version of this flag is the contractor who asks you to take out the permit yourself as the homeowner. In most jurisdictions that makes you, not them, the party responsible to the city for the work meeting code. Some homeowners genuinely do own that role on their own projects, but when a company suggests it for a job they are running, ask directly why they would prefer not to be the applicant. The answer is usually a licensing or history problem you would want to know about anyway.

An allowance-heavy quote is a low bid in disguise

Renovation quotes use allowances — a placeholder dollar figure for things not yet chosen, like tile, fixtures, cabinetry, or flooring. Allowances are a legitimate tool. They are also the easiest honest-looking way to make a bid come in lower than a competitor's, because a quote can be reduced simply by assuming cheaper finishes than you will ever actually pick.

When you compare bids, separate the fixed construction cost from the allowance total and compare each on its own. If one contractor's allowance for kitchen cabinets is a fraction of another's, they are not cheaper — they are budgeting for a different kitchen, and the gap will reappear as an overrun. Ask what specific product each allowance is based on. A contractor who can name the tier and show you something in it is estimating; one who cannot is guessing with your money.

There is no written process for change orders

Renovations change. Walls open up and reveal old wiring, rot, or a beam that is not where the drawings said it was. That is normal and not itself a red flag. What matters is whether the contract explains how a change gets priced, approved, and documented before the work is done — and how the schedule moves as a result.

The bad pattern is agreeing verbally on site, in the middle of a working day, with the cost to be sorted out later. Later is when it becomes a line on an invoice you cannot dispute. Ask to see a blank change-order form at the quoting stage. A company that runs real projects will have one, and being shown it before you sign tells you more about how the job will be run than any portfolio photo.

Nobody will tell you who is actually going to be in your house

Most renovation companies subcontract — electricians, plumbers, tilers, and cabinet installers are usually separate businesses. That is standard practice, not a problem. The problem is a contractor who will not say who those subtrades are, who is supervising them day to day, or who to call when nobody shows up on a Tuesday.

Ask for a named site lead and for confirmation that the subtrades carry their own liability insurance and workers' compensation coverage. In British Columbia you can request a WorkSafeBC clearance letter to confirm a contractor's account is in good standing, and it is worth doing: hiring a business that is not properly registered can leave a homeowner exposed to unpaid premiums. Vagueness about who is coming into your home for six weeks is a legitimate reason to hire somebody else.

Nothing in the contract protects you from the subtrades' unpaid bills

This is the renovation risk homeowners least expect. Under builders lien legislation, a subcontractor or supplier who has not been paid can register a claim against your property title — and that can happen even where you have already paid the general contractor in full. The dispute is between them, but the lien attaches to your home.

A contractor who takes this seriously will already have an answer when you raise it: a holdback held back from payments for the statutory period, and lien waivers or statutory declarations from subtrades confirming they have been paid before each draw is released. Holdback amounts and filing deadlines are set by provincial or state law and are worth confirming for where you live, or with a lawyer on a larger job. A contractor who has never heard of any of this is telling you something about the scale and formality of the projects they usually run.

The soft signals that show up before the paperwork does

Some flags appear in the first week of talking, long before a contract exists. A quote that arrives as a single number with no breakdown. A refusal to provide references from projects finished a year or more ago — recent references only show the honeymoon, older ones show whether the warranty was honoured. Portfolio photos that look inconsistent in style or quality, which are worth a reverse image search. A discount that expires if you do not sign this week.

Communication patterns predict the project too. If calls go unreturned while a company is still trying to win your work, that will not improve once they have your deposit and three other jobs running. The contractor you want is often the one who is slightly harder to book, asks more questions than you expected, and is comfortable with you taking the contract away to read it.

What to have in writing before demolition starts

• ▸A fixed scope of work describing what is included — and a short list of what is explicitly excluded
• ▸A payment schedule tied to completed milestones, not calendar dates, with a holdback at the end
• ▸Every allowance itemized, with the product tier each one assumes
• ▸The change-order process: how changes are priced, approved in writing, and applied to the schedule
• ▸Who pulls the permits, and confirmation the contractor is the applicant
• ▸Proof of liability insurance and workers' compensation coverage for the contractor and subtrades
• ▸A named site lead, working hours, and how site access and keys are handled
• ▸The warranty on workmanship, and a defined process for the deficiency list at completion

Frequently asked questions