Interactive Web Maps

Welcome to the Jefferson County interactive web map gallery. To open a map, select from any of the applications below.

jMap
jMap web map thumbnail

Locations and information about Jefferson County properties, streets, addresses, hazards and open space.

ASPIN
ASPIN web map thumbnail

Locations and information about properties and parcels.

Planning & Zoning
Planning and Zoning web map thumbnail

Publicly available locations and information about planning and zoning.

Transportation
Transportation and Engineering web map thumbnail

Publicly available locations and information about Transporation and Engineering.

Parks & Open Space
Jefferson County Parks & Open Space Logo Thumbnail

Public web application for Jeffco Parks & Open Space.

GIS data can be downloaded from the Jefferson County ESRI Open Data website.
Standard maps in PDF format can be downloaded from Maps of Jefferson County.
You can contact the Jefferson County IT Services GIS team at GIS@jeffco.us or (303) 271-8887 M-F 7:30 – 4:30.

Having trouble accessing the data? Request a digital accessibility accommodation.