A change order is a written agreement that modifies the original project scope, price, or schedule after the baseline estimate or contract was accepted. It protects both the contractor and the client by documenting what changed and who approved it.
Last updated: July 31, 2026
Without a digital approval trail, verbal “go ahead” moments erase margin. Pair change orders with estimate version history so you always know which baseline the change applies to.
A change order is a written agreement that modifies the original project scope, price, or schedule after the baseline estimate was accepted.
Typically the property owner or authorized client representative, with a dated approval record retained by the contractor.