Core terms · definition
A written, signed amendment that adds, removes, or modifies work after the contract is signed, adjusting price and schedule accordingly. Verbal changes are the leading cause of remodel disputes — get every change in writing.
Source: InterNACHI — Inspection Glossary: Change Order
Where this comes up
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.