Humane traps can be placed on public or private property with the property owner's permission. However, any person who traps a wildlife animal should immediately call the Police Department non-emergency number, (303) 237-2220. They have exclusive authority to determine the disposition of the trapped animal as cited in the Municipal Code of Laws, under Chapter 16, Article IV, Division 1,
Section 16-64.
Recent efforts to humanely trap foxes with mange have not been successful as the animals are difficult to capture until the later stages of the the disease.