Homeowners: 24–72 Hour Rule for Change Orders in Remodeling

A change order is a written amendment to your remodel contract that adjusts scope, cost, or schedule. Get it in writing and signed before any new work begins, no exceptions. Trade authorities like the Associated General Contractors of America, construction platforms like Procore, and remodelers like Trussell’s Transformations all agree: verbal approval is not a change order.

TL;DR:

• Proper change orders must be in writing, signed before work starts, and include detailed scope, cost breakdown, and schedule impact to protect both parties.
• Vague or retroactive change orders increase the risk of disputes and overblown charges, especially if lacking itemization or signed documentation.
• Lump sum change orders require detailed breakdowns, while time-and-materials billing demands explicit hourly rates and receipts to verify costs.
• Preconstruction planning, clear deadlines, and thorough scope definitions significantly reduce the likelihood of unexpected change orders during remodels.
• Handling change orders professionally demonstrates a contractor’s process discipline and can prevent budget overruns by establishing a transparent approval system.

Table of Contents

• What Is a Change Order in Remodeling, and Why Does It Matter?
• What Should a Change Order Include? A Homeowner Checklist
• Common Causes and Red Flags Behind Change Orders
• How to Review, Approve, or Dispute a Change Order
• Lump Sum vs. Time-and-Materials: How Change Orders Get Priced
• Contract Clauses That Prevent Most Change Orders
• What 25+ Years of Remodeling Has Taught Us About Change Orders
• Change Orders Are a Sign of Good Process, Not a Red Flag
• Plan Ahead With Trussell’s Transformations and Skip the Surprise Invoices
• Where This Information Comes From
• Sources
• FAQ

What Is a Change Order in Remodeling, and Why Does It Matter?

A change order is the formal document that modifies your original remodeling contract. It differs from a quick verbal “yes, go ahead” in one critical way: it creates a paper trail that protects both you and your contractor if a dispute ever surfaces. The AGC’s guidance on change orders makes clear that documenting the change and securing written approval before work begins is what actually minimizes risk, not a handshake or a text message.

Change orders generally fall into two categories. Owner-initiated changes happen when you decide, mid-project, that you want a different tile pattern or an extra electrical outlet. Site-condition or design-clarification changes happen when the crew opens a wall and finds outdated wiring, or when the architectural drawings didn’t account for a load-bearing beam.

Either way, the practical consequences are the same. Your contract total shifts, sometimes by a few hundred dollars, sometimes by thousands. Your schedule can slip, especially if the change requires a new permit or a follow-up inspection. Ignore a change order process and you risk a remodel that finishes late, over budget, or both, with no documentation to sort out who agreed to what.

What Should a Change Order Include? A Homeowner Checklist

Before you sign anything, run it against this checklist. Procore’s breakdown of how change orders work in construction identifies the core elements every legitimate document needs, and remodeling projects are no different.

A valid change order should include:

• Project and contact information — your name, the job address, and the contractor’s license number
• A unique change order number — so it can be tracked against the master contract
• A clear scope description — exact measurements, materials, and specifications, not vague language like “additional work in kitchen”
• The price change — broken down by labor, materials, and any markup, not a single lump figure
• Schedule impact — how many days or weeks this adds to the completion date
• The updated contract total — the new number after this change is added
• Signatures and date — from both you and the contractor, dated before work starts

Electronic signatures are generally valid for this purpose. Under the E-SIGN Act, an e-signed change order holds up as long as both parties consent to signing electronically and state law permits it.

Itemization matters more than most homeowners realize. If a dispute ever lands in front of a mediator or a small-claims judge, a change order that says “$1,800 for bathroom adjustments” is far weaker evidence than one that lists $600 in materials, $900 in labor, and a $300 markup. Vague paperwork favors whoever argues loudest, not whoever is actually right.

Common Causes and Red Flags Behind Change Orders

Some change orders are unavoidable. Others are warning signs. Knowing the difference protects your budget.

1. Late selections and allowances. If you haven’t picked your tile, faucet, or cabinet hardware by the time the crew needs it, the project either stalls or the contractor substitutes something and bills you the difference later.
2. Unforeseen conditions behind walls. Old wiring, water damage, or a hidden structural issue can’t always be caught before demolition starts.
3. Vague original scopes. A contract that says “remodel bathroom” instead of specifying fixtures, finishes, and layout leaves too much room for “that wasn’t included” conversations.
4. Supply and lead-time shifts. A discontinued countertop slab or a six-week delay on a custom vanity can force a substitution mid-project.
5. Contractor-initiated “fixes” after demo. Sometimes legitimate, sometimes a way to pad the invoice once the walls are already open and you have less leverage to say no.

Watch for red flags layered on top of these causes. A contractor who rushes you to sign without giving you time to review is a problem. So is a change order with no itemization, or one that shows up after the work is already done, asking you to retroactively approve it. Inflated hourly rates or markups that were never disclosed in the original contract belong on that same list.

How to Review, Approve, or Dispute a Change Order

The moment a change request lands on your kitchen counter, follow a sequence instead of reacting emotionally.

• Pause the affected work until you have a written change order form in hand.
• Ask for an itemized cost breakdown and the exact schedule impact, not a rounded estimate.
• Give yourself a short review window, 24 to 72 hours, rather than signing on the spot.
• For anything over a few hundred dollars, request receipts or a second estimate before approving.
• Confirm the new contract total reflects the change accurately before you sign.

If work has already started without a signed change order, stop and document. Photograph the site condition immediately, halt further work on that item, and demand written authorization before the crew continues. Keep paying for work that was properly authorized under your original contract, but hold payment on anything tied to the undocumented change until it’s formalized in writing.

Pro Tip: Keep a single running log with every change order’s number, cost impact, schedule impact, and approval status in one place. When you’re three change orders deep into a kitchen remodel, that log is the only thing standing between you and a confused argument over what you actually agreed to.

Escalate when a contractor refuses to provide documentation, when charges look inflated against comparable estimates, or when retroactive change orders become a pattern instead of an exception. That pattern usually means the process, not just the paperwork, needs to change. Homeowners asking the right questions upfront about how a contractor handles changes tend to avoid this situation entirely.

Under California’s home improvement contract rules, changes generally must be in writing and signed by both parties before the changed work begins. Many states follow a similar principle, so a contractor demanding payment for unsigned, verbally approved work is standing on shaky legal ground regardless of where you live.

Lump Sum vs. Time-and-Materials: How Change Orders Get Priced

Most change orders get priced one of two ways, and each carries a different level of risk for you as the homeowner.

Lump sum pricing gives you a single fixed number for the added work. It’s easier to budget around, but it only protects you if the contractor itemizes what’s inside that number. Insist on a breakdown, materials, labor, markup, even for a lump-sum change order.

Time-and-materials (T&M) pricing bills you for actual hours and actual material costs, often with a markup on top. This approach makes sense for unpredictable work, like fixing an unforeseen structural issue, but it requires real oversight. Require the hourly rate in writing, ask for material receipts, and get the markup percentage disclosed before work starts. Daily logs matter here too, since T&M billing without a log is nearly impossible to verify after the fact.

On timing, pay for approved change orders either at the moment of approval or on your next scheduled invoice, never as one giant surprise bill at project close. Every invoice should list change-order charges as separate, labeled line items, not folded quietly into a category like “miscellaneous.”

Contract Clauses That Prevent Most Change Orders

The strongest defense against costly change orders is a contract that anticipates them before the first hammer swings. Guides for structuring remodeling agreements point to a handful of provisions that consistently reduce disputes.

Build these clauses into your contract:

• A written-change requirement, stating explicitly that no verbal change is binding
• A pre-work approval clause, requiring signatures before the changed work starts, not after
• Clear allowance rules, spelling out what happens when your selection costs more than the budgeted allowance
• Selection deadlines, so late decisions on your end don’t cascade into scheduling chaos
• A response timeline, giving both sides a defined window (say, 72 hours) to approve or reject a proposed change
• A stop-work and dispute-resolution clause, outlining what happens if a change order is contested

Beyond the contract itself, the projects with the fewest change orders share a pattern: thorough preconstruction planning, detailed scope exhibits, and a finish schedule that locks in selections before demolition day. A two-phase design-build approach, where design and selections are finalized before construction pricing is locked, catches most surprises before they become billable change orders. It also helps to set a reasonable de minimis threshold, a small-dollar limit under which minor field adjustments get documented but don’t trigger a full stop-work pause. That keeps trivial items from creating administrative gridlock while preserving sign-off for anything that actually matters.

What 25+ Years of Remodeling Has Taught Us About Change Orders

Some remodeling teams sequence client selections early, tying cabinetry, countertops, and flooring decisions to a firm deadline before demolition starts. That single habit prevents the most common change order trigger we see: a homeowner who hasn’t chosen a faucet or a tile pattern by the time the crew needs it.

On-site, teams keep photo logs of existing conditions, daily written notes, and standardized change order forms for adjustments. A common policy is: no signed change order, no new work. That rule protects your budget as much as it protects our crews, and it’s a habit every reputable contractor should share.

Change Orders Are a Sign of Good Process, Not a Red Flag

A change order is not a failure. It’s a tool that documents an adjustment both parties agreed to, and a contractor who handles them with clear paperwork and fast turnaround is showing you exactly how they’ll handle every other decision on your project. The homeowners who get burned aren’t the ones who encounter change orders. They’re the ones who treat every request as an ambush instead of asking for the itemized breakdown and a signature.

Approach every change request as a conversation, not a confrontation. Ask questions, request documentation, and expect a process. That expectation, more than any clause you write into a contract, is what actually protects your budget.

— Christy Trussell

Plan Ahead With Trussell’s Transformations and Skip the Surprise Invoices

Some remodeling contractors build change-order prevention into the project before demolition begins, tying cabinetry, countertop, and flooring selections to firm deadlines instead of leaving them to chance mid-remodel.

Legitimate change requests should come as standardized, itemized forms with cost breakdowns and schedule impacts clearly spelled out, so homeowners avoid signing vague numbers under pressure. That’s the difference between a remodel that stays predictable and one that drifts. If you’re planning a kitchen or bathroom project and want a team that treats preconstruction planning as seriously as the finish work, start with our home remodeling services in Albuquerque or review the key steps for a bathroom remodel to see how selection deadlines and change-order paperwork fit into a realistic project timeline. Request an estimate today and find out what a project with almost no surprise invoices looks like.

Where This Information Comes From

• AGC: trade-association definition and change order best practices
• Procore: construction industry breakdown of change order contents
• Bay Legal PC: regional legal guide on written-signature requirements
• Contractable: contract clause and payment structure guidance
• Contractor vetting checklist: practical guidance for choosing contractors with sound change-order habits

Sources

• Change Orders | Associated General Contractors of America
• How Change Orders Work in Construction — Procore
• Contractor change order disputes in California: When you don’t have to pay | Bay Legal PC
• Home Remodeling Contractor Agreement: Change Orders and Payment Schedules | Contractable

FAQ

What should a change order include?

A valid change order needs project and contact details, a change order number, a clear description of the work with measurements or specs, the price adjustment broken down by labor and materials, the schedule impact, the updated contract total, and signatures with dates from both parties.

What is the 30% rule in remodeling?

There’s no single universal “30% rule” backed by a recognized industry standard. Some contractors informally reference a budget threshold like this to flag when cumulative change orders warrant a full project reassessment, but treat it as a rule of thumb, not a legal or contractual benchmark.

Do contractors charge for change orders?

Yes, most change orders carry a cost, whether it’s additional materials, labor, or a markup on both, and legitimate contractors itemize those charges rather than folding them into a vague lump sum.

Who is responsible for a change order?

Responsibility depends on who initiated it. Homeowner-requested changes, like a different countertop, are typically billed to the homeowner, while changes caused by unforeseen site conditions or contractor error are often negotiated case by case, which is exactly why a written, signed change order matters before any disputed work proceeds.