Find maps and GIS (Geographic Information System) data for Boulder County. Use these tools to find property information using the Assessor online interactive map tool (E-mapping find information related to parks, trails, open space, crime, elections, energy efficiency, and more.
GIS technology is an integral part of many Boulder County functions. Learn more about GIS data available for download.
Review GIS data and maps used by the Land Use department for zoning, comprehensive plans, and land use code.
The Boulder County Mountain Addressing System is based on a mile-point/street-name system designed to expedite emergency response.