A change order is more than a price

The customer asks for six more recessed lights while the electrical rough-in is underway. The tile they selected is unavailable, so they choose a different product. You open a wall and find damaged framing that was not visible when you priced the job.

None of those situations is unusual. The problem begins when the work changes but the paperwork does not.

A quick text that says “That’s fine” may show that a conversation happened. It may not clearly establish exactly what changed, what it costs, how it affects the schedule, or what the customer approved. Months later, those missing details can turn into a disagreement about the final invoice or the promised completion date.

A useful change order does more than add a number to the original price. It creates a clear record of the new agreement.

First, know when Wisconsin requires changes to be in writing

Wisconsin’s home-improvement rules do not make every job identical. Under Wis. Admin. Code § ATCP 110.05, certain home-improvement contracts, including contracts that require payment before the contractor completes the work, must be in writing. Changes to the terms and conditions of those contracts must also be in writing.

The rules also address specific types of changes. For example:

• A contractor generally needs the customer’s prior written consent before substituting products or materials specified in a covered written contract. Wisconsin provides a narrow exception for verbal authorization when the change adds no cost, does not reduce value, and the contractor keeps the required record of the authorization. See Wis. Admin. Code § ATCP 110.023.
• If work will extend beyond a contract deadline, the contractor must give timely notice that identifies the reason for the delay and proposes new start or completion deadlines. When the rule applies to a written contract, the customer must agree in writing before the changed deadline is effective. See Wis. Admin. Code § ATCP 110.027.

The practical habit is simple: if the work, material, price, payment timing, or schedule changes, stop long enough to document the change and obtain approval before moving forward.

What a useful change order should capture

1. The contract and project it changes

Identify the original contract by customer, project address, contract date, and, if you use one, a contract or project number. Give the change order its own number and date.

This prevents a loose page, email attachment, or PDF from becoming separated from the agreement it was meant to modify.

2. Exactly what is changing

Describe the change so that someone who was not part of the jobsite conversation can understand it.

Weak description:

Add pull-outs in pantry.

Stronger description:

Furnish and install three full-extension maple roll-out trays in the lower pantry cabinet identified as P-3 on the approved cabinet plan. Trays will have clear-finished maple sides, matching maple bottoms, and soft-close undermount slides. Existing adjustable shelves in that cabinet will be omitted.

Use quantities, locations, dimensions, brands, models, colors, or drawing references when they matter. If the customer is removing work from the agreement, describe the deleted work just as clearly as added work.

3. Why the change is happening

The reason is not always legally required, but recording it is a strong business practice. It helps everyone remember whether the change came from a customer request, an unavailable material, a concealed condition, an inspection requirement, or a correction to the original scope.

Keep the explanation factual. For example:

After demolition, the contractor observed water-damaged subfloor beneath the existing shower. This condition was not visible before demolition.

Avoid blame, speculation, or conclusions you cannot support.

4. The price adjustment and new contract total

State whether the change adds to the price, deducts from it, or has no price effect. If the change includes several components, show enough detail for the customer to understand the total.

Then show the updated contract price. On a project with several change orders, calculate from the original contract plus or minus every previously approved change, not just the newest one.

For example:

• Original contract: $42,000
• Change Order 1: +$2,400
• Change Order 2: -$600
• This change, Change Order 3: +$1,250
• New contract total: $45,050

That running total prevents the second or third change order from accidentally ignoring earlier changes.

5. When the change will be paid

Do not assume that “plus $1,250” explains when the money is due. State whether the adjustment is due when the change order is signed, at the next progress payment, when the added work is completed, or at final payment.

If a deposit is needed for a special-order item, identify the item and the amount. Make sure the payment language fits the original contract and the circumstances of the job.

6. The schedule effect

Every change order should say whether the schedule changes.

If there is no expected effect, say so. If there is an effect, identify the revised date or a clear extension. A statement such as “adds seven working days after material delivery” is more useful than “may delay project.”

When the existing deadline will no longer work, document the reason and the new proposed deadline promptly. Do not wait until the original completion date has already passed.

7. Related responsibilities, permits, and exclusions

A change can create work around the work. Think through items such as:

• Who purchases or supplies the added material?
• Does the customer need to make a selection by a certain date?
• Is demolition, disposal, patching, painting, or finish work included?
• Does the change affect permitting, inspections, or work assigned to a separate contractor?
• Are design, engineering, or inspection costs included?
• What is specifically excluded?

This is where a $1,250 change can become a $3,000 misunderstanding. The wider countertop overhang may be obvious. The added supports, fabrication, finish work, material lead time, and schedule coordination may not be.

8. Approval by the right people

The change order should identify who approved it and when. When written agreement is required, obtain the necessary signatures or valid written approval before performing the changed work.

If two homeowners signed the original contract, do not casually assume that approval from only one person is enough for every change. Follow the approval terms in the contract and confirm who has authority to modify the agreement.

A practical example

Imagine that a customer changes from an in-stock ceramic tile to a special-order porcelain tile after the bathroom contract is signed.

A complete change record would address:

• The original tile and the approved replacement.
• The room and surfaces affected.
• Any difference in material price, labor, freight, or waste factor.
• Whether the deposit or next payment changes.
• The expected delivery date.
• Any extension to the project schedule.
• Whether the customer approved the sample, color, layout, and grout selection.
• The date and method of approval.

“Customer upgraded tile, add $1,800” leaves too much unanswered.

Is a text message enough?

A text can be useful evidence, and Wisconsin law recognizes that an electronic record can sometimes satisfy a writing requirement. But a scattered text thread is not automatically a complete change order.

The stronger question is not, “Can I find a message showing the customer said yes?” It is, “Can both of us read one record and understand the changed work, materials, price, payment timing, schedule, and approval?”

Use texts to capture the conversation if that is how your customer communicates. Then turn the decision into one organized record and keep it with the original contract.

A strong change order also depends on a strong starting contract. Here is what a Wisconsin-specific remodeling contract needs to include.

The five-minute field habit

Before changed work begins:

1. Describe what is being added, removed, substituted, or delayed.
2. Price the change and calculate the new contract total.
3. Date the schedule impact and payment timing.
4. Approve it with the people authorized to change the agreement.
5. Store the signed or approved record with the original contract.

Five minutes of organized documentation is usually easier than rebuilding the conversation at the end of the job.

Where ScopeAccord fits

ScopeAccord helps Wisconsin residential contractors turn a natural description of a job change into professional, reviewable paperwork.

It is conversationally AI-native at the interaction layer. You can describe what changed by voice or text, and ScopeAccord helps organize and polish the wording. At the legal core, it is deliberately deterministic: counsel-reviewed Wisconsin templates provide the document structure, and verified, unit-tested calculations carry the running contract total through multiple change orders.

You review and approve the information before the document is final. The goal is not to replace your judgment or your attorney. It is to make clear documentation easier to complete while the job is moving.

See what ScopeAccord does for Wisconsin contractors, from describing a job to a signed contract, or learn more about ScopeAccord.

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