Street Addressing

Street signFairfax County law requires all properties to be identified by a uniform numbering system in order to assist public safety personnel when locating addresses and buildings. Chapter 102 of the Fairfax County Code, entitled "Streets and Sidewalks," outlines the specific requirements of the law.

County addressing requirements are part of an established, long-standing and consistent policy to ensure all properties meet the provisions of the law.  Listed below are highlights of the policy.

  • Each assigned address number must be displayed on the structure so that it is visible and distinguishable from the street and provides access to the building.
  • Each principal building or structure on the property must bear the assigned number.
  • The street address in which the county-assigned number is referenced is the street where the driveway is located regardless of which street the structure is facing.
  • Addresses are only assigned to the principal structure(s) on any parcel.
  • A principal structure is the structure or structures that serve the primary use. 
  • Accessory structures, such as storage buildings, parking garages, etc., cannot receive addresses independent of the principal structure.

Firefighters battling a house fire

If you are notified by the county that you are not in conformance with the county addressing policy, by law you must comply within 30 days from the date of notification.

If you have any questions, please contact the Fairfax County Addressing office by email or by telephone at 703-222-0801, TTY 711.


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