GIS and Mapping Services
GIS and Mapping Services administers the county Geographic Information System (GIS) and iGIS map portal. Our mission is to coordinate, manage and facilitate GIS at departmental, office and enterprise levels. We create and manage E911
site addresses and street names. We serve as primary custodian for county GIS data, aerial imagery and LiDAR topography contours. GIS and Mapping Services fulfills public requests for GIS data, mapping and imagery services.
Effective date of parcels is JULY 2020.
MyGIS OneView is an interactive public map resource to access all-purpose property, land, and other location information for the county. It replaces the former iGIS Map Portal and provides the same functionality.
Guide and Video Tutorials
Download a printer-friendly guide on how to use MyGIS OneView.
Tutorial videos are provided as a complete playlist as well as individual topics. Links are provided to individual topics.
For questions or errors regarding real estate parcel ownership, legal descriptions, acreage, assessed values, recent sales, etc. please contact the Commissioner of the Revenue's Office
at (540) 382-5710.
Map and data disclaimer
Map and GIS data available are to be used for reference purposes only. The Board of Supervisors and Planning & GIS Services are not responsible for any inaccuracies. No responsibility is assumed for damages or other
liabilities due to the accuracy, availability, use or misuse of the website.
Maps and GIS data provided are not to be construed or used as a legal determination of official county records. Maps and GIS data are believed to be accurate
as of the date of use, but is not guaranteed.
In no event will Montgomery County be liable for any damages, including loss of data, lost profits, business interruption, loss of business information or other pecuniary loss that might
arise from the use of this website.