I think it ends up in some one's backyard so makes sense. https://www.urbo.com/content/local-...e-fence-posts-to-get-away-as-soon-as-you-can/
"Ignorance regarding these markings is not an excuse to violate their intent. Purple paint statutes have been around for roughly 30 years and are active in many states across the U.S. There are specific rules and regulations about using these markings like their peers, traditional “No Trespassing” signage."
I've never heard of this before.
Purple Paint Law: Trespassing Rules & Regulations
<p>Protecting your animals sometimes means protecting your property from trespassers. In many states, you might see purple markings on fences, trees, or other objects when hunting, driving around, or exploring new places. You might not even think twi
Looks like PA has purple paint laws, but not NY or NJ.




