Change Orders: Why They Happen and How to Limit Them

What a change order actually is, the three different kinds a remodel produces, and how to spot the ones that should never have been a surprise.

A change order is a written document that changes the scope, cost, or schedule of a construction contract after work has started. It gets signed by both the homeowner and the builder before the new work happens, and once it is signed it becomes part of the contract, sitting alongside the original scope rather than replacing it quietly. Almost every remodel produces at least one. The question worth asking is not whether a project will have change orders. It is which kind they are, because that determines whether they are a normal part of building or a sign that something went wrong before the contract was even signed.

Why do change orders happen at all?

They happen because a remodel is a plan meeting a real house, and real houses do not fully reveal themselves until walls are open and work is underway. There are really three distinct situations that produce a change order, and treating them as one thing is where homeowners get frustrated. One is unavoidable. One is a normal part of building something you get to choose. One should never have needed to be a change order in the first place.

Discovery change orders: what was behind the wall

A discovery change order covers a condition nobody could see until the wall, floor, or ceiling was opened, things like rotted framing, wiring that does not meet current code, an undersized header over an opening, or plumbing that was never brought up to standard. In a St. Augustine house of any real age, this is not a remote possibility. Houses here have been added onto, repaired, and rewired by different hands over decades, often with materials and methods that were acceptable when the work was done and are not acceptable now. Coastal humidity also does things to framing and sheathing that are invisible from the finished side of a wall. A builder who tells you nothing will turn up behind an old wall is not being reassuring, they are being wrong. The honest position is that discovery is likely, not that it is avoidable, and a good contract plans for it rather than pretending it away.

Owner-requested change orders: the ones you choose

An owner-requested change order is any change you decide to make once the project is underway, moving a wall after framing is up, upgrading a fixture or finish beyond what was originally scoped, or adding square footage or a feature that was not in the original plan. These are completely legitimate. A remodel is a long project and it is normal to see the space taking shape and want something different than what you specified on paper months earlier. The part homeowners consistently underestimate is not the cost, it is the schedule. Moving a wall after framing means undoing finished work before redoing it, and materials for an upgraded selection often have to be reordered on the vendor’s timeline, not yours. A change that seems small in the moment can add real time to the calendar in a way the homeowner never budgeted for mentally, even when they budgeted for it financially.

Scope-gap change orders: the ones that should make you unhappy

A scope-gap change order covers work that was always going to be necessary and simply was not written into the original proposal. This is different from discovery, because discovery covers something nobody could have known. A scope gap covers something a competent builder should have accounted for from the start, such as electrical panel capacity for new appliances, permit-driven code upgrades triggered by the scope of work, site work needed to get equipment or materials to a space, or finish work that any complete kitchen or bathroom scope obviously requires. When this shows up mid-project as a change order, what actually happened is that the proposal was incomplete when you signed it, and now you are being asked to pay to complete it. This is the one kind of change order that is a legitimate reason to be frustrated with your builder, not with your house.

How do you spot a scope-gap change order before signing?

You spot it by reading the proposal for what it excludes, not just what it includes, and asking directly what happens if a listed exclusion turns out to be required. A proposal that is vague about scope is where a scope-gap change order gets manufactured later, whether or not that was the intent when it was written. Ask what electrical, plumbing, and structural work is assumed to already meet code versus what will be verified. Ask whether permit fees and any code-triggered upgrades are included or excluded. Ask what happens if something assumed to be adequate turns out not to be. A builder who can answer these plainly, in writing, before you sign is telling you the scope was actually thought through. Our guide to comparing remodeling proposals when the scopes look different goes through this in more detail, because two proposals with the same price and different scope are not actually the same proposal.

What should a change order document actually contain?

A change order should state exactly what work is being added, removed, or changed, what it does to the total contract price, and what it does to the completion date, and it should be signed by both parties before the work happens. Leaving any one of those three out is how disputes start. A change order that states a cost but not a schedule impact leaves the homeowner assuming the date has not moved, which it usually has. A change order that gets agreed to verbally and never written down leaves both sides with a different memory of what was actually approved once several more changes have piled on top of it.

Why do verbal changes cause so many disputes?

Verbal changes cause disputes because memory is not a contract, and by the time a disagreement surfaces, the conversation that supposedly approved the change happened weeks or months earlier under different pressures. A homeowner remembers agreeing to a general idea. A builder remembers agreeing to a specific scope at a specific cost. Both are telling the truth about what they recall, and neither recollection is enforceable. This is not a matter of trust, it is a matter of two people carrying different mental notes of the same short conversation forward for months. A signed document removes the ambiguity entirely, which is exactly why it exists.

Why does the schedule impact matter as much as the cost?

The schedule impact matters as much as the cost because a delay on one trade pushes every trade scheduled behind it, and a remodel is a sequence, not a set of independent tasks. If framing changes push the electrical rough-in back, that same delay can ripple through drywall, paint, cabinetry, and final inspection, even if none of those trades’ own work changed at all. A homeowner who only tracks the dollar total on a change order can end up genuinely surprised by a finish date that moved far more than the price suggested it would, simply because nobody named the schedule cost out loud at the time the change was approved.

How should change order approval actually work?

Approval should happen before the new work starts, in writing, with the homeowner having seen both the added cost and the schedule impact, not after the work is already done. A builder proceeding on a change before it is signed puts the homeowner in the position of approving something retroactively, which is a much weaker position to negotiate from. The order of operations matters: document the change, review cost and schedule together, get a signature, then do the work. Not the reverse.

What actually reduces change orders on a remodel?

What reduces change orders is thorough preconstruction, a scope that was actually investigated before it was priced, not assumed. On an older home, that can mean opening a wall or two during planning rather than waiting for demolition to find out what is there, which turns a mid-project discovery into a pre-project decision. It also means finishing your selections, tile, fixtures, cabinetry, and finishes, before construction starts rather than during it, since a decision made mid-project almost always costs schedule even when the item itself is not expensive. That process deserves its own explanation and we cover it separately in a guide to selections and allowances. Finally, it means planning a contingency into the project from day one rather than treating one as an admission that something might go wrong. A contingency is not a sign the estimate was bad. It is the honest acknowledgment that an older house still has a few things left to tell you, and planning for that conversation is cheaper than being surprised by it.

If you are weighing a whole-home renovation and want a scope that has actually been thought through before anyone signs anything, our whole home renovation process starts with exactly that kind of preconstruction. You can also read what a permit review adds to an older St. Augustine project in our guide to St. Johns County remodeling permits, and see how discovery plays out in practice in kitchen remodeling in older St. Augustine homes. If you want to talk through a specific project before it starts, contact us and we can walk through what your scope should include.