Napa County Unincorporated, California · General provision
18.132.020
Uses
Permitted by right2
From the ordinance
In any district in which a single-family dwelling is a permitted use, a single-family dwelling and accessory buildings may be constructed on any legally created lot notwithstanding that such lot may have become substandard by the later imposition of minimum width or minimum area regulations which it does not meet as long as such construction complies with all state and federal laws and regulations and all other regulations of this code.