The citations below are individual paragraphs taken from the City of Binghamton Code and Zoning Laws. The complete document may be purchased from the City of Binghamton's Clerk's Office.

FAMILY - Any number of individuals related by blood, marriage or adoption; or any number of individuals not related by blood, marriage or adoption living together and who meet the indicias for a functional and factual family equivalent. 

(Ord. No. 65-90, § 1, 6-4-1990)

FUNCTIONAL AND FACTUAL FAMILY EQUIVALENT - A group of unrelated individuals living together and functioning together as a traditional family. In determining whether or not a group of unrelated individuals comprise a functional and factual family equivalent, a petition shall be presented before the Zoning Board of Appeals, who will consider, among other things, the following factors:

1. Whether the occupants share the entire dwelling unit or act as separate roomers.
2. Whether the household has stability akin to a permanent family structure. The criteria used to determine this test may include the following:
1. Length of stay together among the occupants in the current dwelling unit or other dwelling units.
2. The presence of minor, dependent children regularly residing in the household.
3. The presence of one individual acting as head of household.
4. Proof of sharing expenses for food, rent or ownership costs, utilities and other household expenses.
5. Common ownership of furniture and appliances among the members of the household.
6. Whether the household is a temporary living arrangement or a framework for transient living.
7. Whether the composition of the household changes from year to year or within the year.
8. Any other factor reasonably related to whether or not the group of persons is the functional equivalent of a family. 

HOUSEHOLD - Any number of persons living together who meet the indicia for a functional and factual family equivalent or a family. 

(Ord. No. 65-90, § 3, 6-4-1990)