# Color-tagged structure

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Triage system for damaged buildings

A **color-tagged structure** is a structure which has been classified by a color to represent the severity of damage or the overall condition of the building. The exact definition for each color may be different in different countries and jurisdictions.[1]

A **red-tagged** structure has been severely damaged to the degree that the structure is too dangerous to inhabit. Similarly, a structure is **yellow-tagged** if it has been moderately damaged to the degree that its habitability is limited (only during the day, for example). A **green-tagged** structure may mean the building is either undamaged or has suffered slight damage, although differences exist at local levels when to use a green tag.

Tagging is performed by government [building officials](/source/Building_officials), or, occasionally during disasters, by engineers deputized by the building official. [Natural disasters](/source/Natural_disaster) such as [earthquakes](/source/Earthquake), [floods](/source/Flood) and [mudslides](/source/Mudslide) are among the most common causes of a building being red-, yellow- or green-tagged. Usually, after such incidents, the [local government](/source/Local_government) body responsible for enforcing the building safety code examines the affected structures and tags them as appropriate.

In some areas of the United States, buildings are marked with a rectangular sign that is red with a white border and a white "X". Such signs provide the same information as "red-tagging" a building. Tagging structures in these ways can warn [firefighters](/source/Firefighter) and others about hazardous buildings before the buildings are entered.

## References

1. **[^](#cite_ref-1)** ["Code Enforcement - City of Waco, Texas"](http://www.waco-texas.com/code-enforcement.asp).

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Adapted from the Wikipedia article [Color-tagged structure](https://en.wikipedia.org/wiki/Color-tagged_structure) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Color-tagged_structure?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.