States That Recognize Purple Paint as Legal Notice (as of 2026)

While specific regulations vary by jurisdiction, the following states officially recognize purple paint as a valid trespass deterrent:
Alabama
Arizona
Arkansas
Florida
Georgia
Idaho
Illinois
Indiana
Kansas
Maine
Maryland
Missouri
Montana
North Carolina
Oregon
South Carolina
Tennessee
Texas
Utah
Virginia
West Virginia
Wyoming
Note: A small number of states, such as Colorado, permit alternative colors like orange for similar purposes. However, purple remains the most widely adopted standard nationwide.
Legal Requirements for Valid Markings