The Fairfax County Validator
The Fairfax County Validator is a search engine for verifying addresses, parcel ID numbers (PINs), and street names that fall within Fairfax County. To use, type a full or partial entry in the white text box (using * as a wildcard, if necessary), then hit “Enter” or click the “Validate” button. You may also select an option from the drop-down list that appears as you begin to type. All matching official Fairfax County address, PIN, or street name results are displayed in a table. Please note that the first search may take up to 20 seconds.