GIS and Mapping Services

CONTACT INFORMATION: All public resources of the GIS Division are now available online. For public assistance, inquiries through email are responded to more rapidly than those via phone messages. County staff should utilize the internal Help Desk system for support.
703-324-2712 TTY 711
12000 Government Center Parkway
Fairfax, VA 22035
Michael Liddle
GIS Program Director


The geographic data layers produced by the Government of Fairfax County, Virginia (“Fairfax County”), and any associated maps and applications, are provided as a public resource. While every reasonable effort is made to ensure the accuracy and completeness of the data, Fairfax County makes no warranties, expressed or implied, concerning the accuracy, completeness or suitability of its data, and it should not be construed or used as a legal description.


Pursuant to Section 54.1-402 of the Code of Virginia, any determination of topography or contours, or any depiction of physical improvements, property lines or boundaries is for general information only and shall not be used for the design, modification, or construction of improvements to real property or for flood plain determination.


For more information and definition of terms, please visit the Virginia Legislative Information System.


Copyright by Fairfax County. Except as provided herein, all rights are reserved. Authorization to reproduce material for internal or personal use by any user of this information is granted by Fairfax County, the copyright owner.


Fairfax Virtual Assistant