Map Viewers Launch Page and Disclaimer

Acknowledgment of Disclaimer

By clicking on the map links on this page, you accept the contents of the disclaimer below.

Open Data

Visit our Open Data site to explore and download data, use REST services, preview data, and see metadata.

Tax Parcel Updates

Parcel ownership is updated frequently, but some configuration changes such as splits may not be implemented until the beginning of each year. It is the user’s responsibility to confirm ownership and configuration with the Assessor’s Office.

Latest ownership update:  Nightly

Map Viewer Gallery

Simple, single-purpose web mapping applications and full-featured web-GIS applications are available. Hover over or tap the image for a description of the app. Click "View App" to open. Please be patient when loading an app for the first time.  App tour videos and a tutorial video playlist are available on YouTube.

Advanced Viewer

The Advanced Viewer conforms to WCAG 2.0 level AA (international & United States), as part of Latitude Geographics' Geocortex Essentials technology for Esri's ArcGIS platform. This application provides enhanced access to end-users with disabilities: it enables full keyboard control, is screen reader-friendly, and contains other features to make mapping technology more accessible to the largest possible audience of potential users, regardless of their level of ability. For documentation of keyboard shortcuts and available capabilities, visit the viewer's documentation page on accessibility.

Link to Advanced Viewer


The information on the County mapping website is a product of the San Miguel County Geographic Information Systems (GIS) Department and is intended for the display of relative positions and locations only. Users of this information hereby recognize, acknowledge and agree that it is not a guaranteed accurate, legal or surveyed representation of land. The data are not a substitute for, and should not be compared with, a survey performed by a Colorado licensed surveyor. Users assume all risk and responsibility for any and all direct and indirect damages, including consequential damages, that may flow from the use of this information. Users further recognize, acknowledge and agree that the San Miguel County GIS Department has not made any representations, warranties, or guarantees of any kind that this information is survey accurate or fit to be used or relied upon for any particular purpose. The presence of a road feature on the map does not imply the existence of public access or ownership.

By clicking on the links on this page, you accept the contents of the disclaimer.