Maine is one of about a dozen states in which purple paint on a fence post has a specific meaning. If you see it, turn around. Here's why.

In Maine, purple paint means "no trespassing." Maine is one of 11 states to have the "purple paint law." The other states are Texas, Illinois, Missouri, North Carolina, Florida, Idaho, Arkansas, Montana, Arizona and Kansas, according to a story at

While states like Texas have had the law on the books for many years, Maine's was signed into law in 2011.

Essentially, the law allows landowners to mark the boundary of their land with purple paint rather than post "No Trespassing" signs. They even sell special paint for this specific purpose.

Here's the language of Maine's law.

Conspicuous purple paint marks may be placed on trees, posts or stones on the restricted property as long as the marks are vertical lines at least one inch in width and at least 8 inches in length placed so that the bottoms of the marks are not less than 3 feet from the ground or more than 5 feet from the ground at locations that are readily visible to any person approaching the property and no more than 100 feet apart.

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