§ 18.120.020

From the ordinance

The lawful use of a building or land existing on the effective date of an ordinance which establishes or changes the effective zoning of the land upon which the building is located may be continued, and said building or land use may be maintained, without the requirement to secure a certificate of conditional use or a use permit, even if such building or use does not conform to the regulations specified for the district in which such building is located, provided the requirements of this chapter are met.