Tax Administration Real Estate Dwelling Addition Data

Fairfax County

Updated Oct 8, 2026

About this dataset

This table contains information about additions to the structures such as patios, decks, porches, etc. for properties within Fairfax County. Refer to this document for descriptions of the data on the table. The dwelling addition data is extracted daily from the DTA system.

Contact: Fairfax County Department of Information Technology GIS Division

Data Accessibility: Publicly Available

Update Frequency: Daily

Last Revision Date: 9/1/2026

Creation Date: 1/1/2005

View Name: DTAMGR.PARCEL_GIS_ADDNALL_VIEW

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Tax Administration Real Estate Dwelling Addition Data

About this dataset

Data and resources (11)

ArcGIS Hub Dataset

ArcGIS GeoService

CSV

Shapefile

GeoJSON

KML

File Geodatabase

Feature Collection

Excel

GeoPackage

SQLite Geodatabase