Spacing also matters. Landowners are required to place the purple marks roughly every hundred feet along their property lines. The goal is to make it impossible for someone to cross the boundary without seeing at least one.
However, not every state uses this system. Some recognize it under “Purple Paint Laws,” others don’t. States like Texas, Illinois, North Carolina, and Missouri legally honor the markings as a substitute for “No Trespassing” signs. But in other regions, painting your fence purple might just look eccentric unless the law explicitly supports it. Always check your local or county regulations before picking up a brush.
