The Street Inventory System (SIS) contains the names of all streets in Larimer
County and its municipalities. The purpose of this system is to provide a
central location for all names, prevent duplicate street names in the future,
and allow only approved suffixes.
Rules of the Streets
Approved Suffixes
See also: Subdivision Names
Staff Login
This system is a joint project of Larimer County, Larimer
Emergency Telephone Authority (LETA), and the cities of Fort Collins, Loveland,
Estes Park, Berthoud, Wellington, Timnath, Johnstown, and Windsor. See
Intergovernmental Agreement.