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Guide

Change Order Form: The Fields Every Contractor Needs

A change order form is only as good as the fields on it. Miss one — schedule impact, an itemized cost breakdown, a signature line — and the document is weaker as evidence of what both sides actually agreed to. Here's what belongs on every change order form, and why.

Prefer a ready-made version? Grab the free printable change order template →

Why the fields matter

A change order that's missing pieces — no itemized cost, no schedule impact, no clear description — leaves room for disagreement later about what was actually approved. Every field on the list below exists to close one of those gaps, so if a change ever gets disputed, the paperwork answers the question instead of leaving it up to memory.

The field-by-field breakdown

Project & job info

  • Business name and license number
  • Client name and job address
  • Original contract or job number this change order attaches to
  • Change order number and date

Description of the change

  • Plain-language description of what's being added, removed, or substituted
  • The reason for the change (client request, unforeseen condition, code requirement, etc.)

Cost breakdown

  • Itemized labor, material, and other line items
  • Quantity and rate for each line item where applicable
  • Subtotal, markup/overhead if applicable, and total change amount
  • New contract total after the change

Schedule impact

  • Additional days added (or none)
  • Updated completion date if it moves

Approval & authorization

  • Contractor signature and date
  • Client / owner signature and date
  • Space for a note if the change is approved verbally pending signature (and a plan to get that signature)

Digital vs. paper forms

A paper form works fine as long as it actually gets filled out, signed, and filed somewhere it won't get lost in a truck. The tradeoff is speed and follow-through: a paper change order usually means writing it up back at the shop, which is exactly the delay that leads to change orders getting skipped altogether. A digital form fixes the delay — filled in and signed on the client's doorstep, with both people getting a copy immediately.

Mistakes to avoid

ChangeOrder builds this exact field set into a guided flow — describe the change by voice, it's priced with your saved rates, and the client signs on your phone before you leave the site.

Keep reading

FAQ

What's the difference between a change order form and a change order template?

A form is the list of fields; a template is a ready-to-print document with those fields already laid out. This page covers the fields — grab the finished document on the change order template page.

Can a change order form be signed electronically?

Yes. Electronic signatures are legally valid for construction change orders under the U.S. ESIGN Act in the same way a wet signature is, as long as both parties intended to sign and the signed document is retained.

Does every change need a new form?

Yes — even small ones. A quick note on an invoice or a text message doesn't create the same clear record as a signed change order, and small unrecorded changes are exactly the ones that get disputed or forgotten.

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