per one-family dwelling; (b) Three persons per unit of a two-family, townhouse and multifamily dwelling (except high-rise multifamily buildings, and buildings exclusively for housing elderly individuals or individuals with disabilities). (c) One and five-tenths persons per unit of
Read it in the chapter →Land use · Prince William County Unincorporated, Virginia
multifamily dwellings (except high-rise)
How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Prince William County Unincorporated’s own text settles what this covers.