How Many People Can Live in a House in Fairfax County (Legally)

05 Apr 2021 5:59 PM | Peter Falcone (Administrator)

The zoning ordinance (Article 2, Part 5) limits how many people can live in a single residence. In general:

  • No more than one family, plus two renters, may live in one house.
  • Or, no more than four unrelated people may live in one house.

However, the rules define that more than one person can live in a residence:

1. One family, which may consist of one person or two or more persons related by blood or marriage with any number of natural children, foster children, step children or adopted children and with not to exceed two roomers or boarders.

2. Two single parents or guardians with not more than a total of six of their dependent children, including natural children, foster children, step children or adopted children, functioning as a single housekeeping unit.

3. A group of not more than four persons not necessarily related by blood or marriage functioning as a single housekeeping unit.

4. A group residential facility.

5. Any group housekeeping unit which may consist of not more than 10 persons as may be approved by the Board of Zoning Appeals.

6. One person or two persons one of whom shall be elderly and/or disabled, and one or both of whom own the dwelling unit, plus one family, which may consist of one person or two or more persons related by blood or marriage, and with any number of natural children, foster children, step children or adopted children.

7. A bed and breakfast, as may be approved by the Board of Supervisors. 

Great Falls Citizens Association
PO Box 27  •  Great Falls, VA  •  22066 

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