Mapping Applications

Land Development Services Mapping Applications

These applications provide data for learning about and analyzing land development in Fairfax County.  These resources address several land development subject areas, including the maps below. 

Additional online mapping applications created by Fairfax County can be found in the Interactive Map Gallery.

Mapping Applications Available


Jade logoThe Jade is a Geographic Information System (GIS) web application that provides an easy way to view, search, and analyze geographic information.

  • One map application, available on any device, with over 170 layers to view, combine and analyze.
  • Detailed property reports, especially useful for land development.
  • Save, share and print your map creations.

Site Records Viewer

Site Records Viewer map sectionThe Site Records Viewer (SRV) provides access to thousands of approved site records. Download or view PDFs of approved site-related plan records, such as infill lot grading plans, resource protection area studies, and site plans. The SRV allows anyone to search for site development records geographically, or by a search function.

The Site Records in this application are tied to the original tax map parcel found on the record. Due to the age of the records many of the parcels are expired. Fairfax County only maintains GIS data for parcels dating back to 2000. This means that any Site Record on a parcel that expired prior to 2000 will not be found in this application. However, these records can still be accessed by submitting a Records and Information Management Records Request form.

Drainage Basin Delineation App

Drainage Basin Delineation AppDrainage Basin Delineation App: This application is designed to for public use to delineate drainage basins. The current elevation surface in this application is the 2018 LiDAR derived NGVD29 Digital Elevation Model (DEM) hydro conditioned with the Fairfax Hydrography Dataset (FHD) and Stormwater Infrastructure (StormNet). Please be advised that these are estimated drainage basins based off the best data available.

Floodplain Viewer

Floodplain Viewer map sectionThe Floodplain Viewer is an effort to centralize all Fairfax County floodplain data and related information into one application. This application displays the various County floodplain layers that are used in the county's plan review process to flag potential floodplain locations where construction may be restricted.  Landowners contemplating development can use this application to research potential floodplain locations where land disturbance may be restricted, and determine whether additional professional floodplain research and analysis is needed before designing their project.

Type of Construction Viewer

Type of Construction Viewer map sectionThe Type of Construction Viewer is an interactive mapping application provides building code-related Type(s) of Construction designation for existing buildings based on historic permit applications. When constructing a new building, the Virginia Uniform Statewide Building Code requires the structure to be assigned a Type of Construction based on its combustibility and level of protection against fire. This application will allow you to interact with the map and locate specific building Type of Construction information, which may be necessary to determine when renovating and existing building. 

Mailing List Generator

Mailing List Generator map sectionThe Mailing List Generator is designed for public use to identify a collection of properties, create mailing labels, or a structured text file of owners and owner addresses.  Please see the about section of the application for more information in how to use the tool.

Maximum Occupancy Certificate Viewer

Maximum Occupancy Viewer map sectionThe Maximum Occupancy Certificate Viewer is designed to for public use to locate Maximum Occupancy Certificates for Fairfax County. The Maximum Occupancy Certificates available in this application are for historic and informational purposes only.  Using the occupant load therein for a design and/or posting the certificate in the identified space is prohibited by order of the Building Official. 

To obtain a new certificate for posting, you may need to apply for a new maximum occupancy permit.  Go to and search for "maximum occupant load" to learn more.

Soils Viewer

Soils Viewer map sectionThe Soils Viewer is an effort to centralize all Fairfax County soils data and related information into one application.

Site Construction Complaints

Site Construction Complaints Submission map section Site Construction Complaints Report map sectionComplaints related to Site Construction (such as grading, erosion, tree removal, etc.) can now be submitted and tracked online using Geographic Information Systems (GIS). The public can file a complaint using the Site Construction Complaints Submission application identifying the exact location on a map and then track the status of complaints submitted in the last thirty days using the interactive Site Construction Complaints Report map.

Potential Wetlands Area Map

Potential Wetlands Area map sectionThis application contains the Fairfax County Potential Wetlands Area Map. This dataset identifies potential wetland areas within Fairfax County which have been estimated based on available topographic, soils, and landcover data.

Dam Break Inundation Zones Viewer

Dam Break Inundation Zones map sectionThis application contains the Dam Break Inundation Zones for the Department of Public Works and Environmental Services (DPWES) dams and the non- DPWES dams in Fairfax County.

This application is designed to determine if a proposed development will occur within the mapped dam break inundation zone of a state-regulated impoundment.  Please see Dam Break Inundation Zone web page for further details.

Critical Structures Inspection Areas

Critical Structures Inspections Area map sectionThe Critical Structures Inspections Areas Viewer is designed to assist in determining your Tax Map Grid and locating the Critical Structure Inspector in the Special Inspections Program assigned to your area. Users can track who their designated Critical Structure Inspector is based off their address.

Electrical Section Inspection Areas

Electrical Section Inspection AreasElectrical Section Inspection Areas: The Electrical Section Inspection Areas Viewer is  intended for public use to locate Electrical Inspectors assigned areas. Users can track who their designated electrical inspector is based on their address or parcel.

Mechanical Section Inspection Areas

Mechanical Section Inspection AreasMechanical Section Inspection Areas: The Mechanical Section Inspection Areas Viewer is intended for public use to locate Mechanical Inspectors assigned areas. Users can track who their designated mechanical inspector is based on their address.

Plumbing Section Inspection Areas

Plumbing Section Inspection AreasPlumbing Section Inspection Areas: The Plumbing Section Inspection Areas Viewer is intended for public use to locate Plumbing Inspectors assigned areas. Users can track who their designated mechanical inspector is based on their address.

Fairfax County Crane Watch

Fairfax County Crane Watch: The Fairfax County Crane Watch Dashboard illustrates large development in the county based on the location of cranes at construction sites.

Fairfax Virtual Assistant