There is adopted a precise zoning plan for the city of Etna.

The purpose of this title is to promote the growth of the city in an orderly manner and to promote and protect the public health, safety, morals, comfort and general welfare.

The purpose of the zoning regulations is to regulate the use of land, buildings, or other structures for residences, commerce, industry, and other uses required by the community; regulate the location, height and size of buildings or structures, yards, courts, and other open spaces, the amount of building coverage permitted in each zone, and population density; divide the city into zones of such shape, size and number best suited to carry out these regulations, and to provide for their enforcement. These regulations are necessary to promote and protect the public health, safety, comfort, and general welfare.

The zoning or districting plan effectuated by this title consists of the establishment of various districts, including all territory within which the use of land, buildings, the space for buildings, and the height and bulk of buildings are regulated.

No building or structure shall be erected, reconstructed, or structurally space altered in any manner, nor shall any building or land, the space above or beneath, be used for any purpose other than as permitted by and in conformance with this title and all other ordinances, laws and maps referred to in this title.

This title shall apply to all property whether owned by private persons, firms, corporations, or organizations; and to the extent permitted by law, property of the United States of America or any of its agencies; by the state of California or any of its agencies or political subdivisions; by any authority or district organized under the law of the state of California, all subject to the following exceptions:

This title shall be known by the following short title: "The City of Etna Zoning Ordinance."

When interpreting and applying the provisions of this title, they shall be held to be the minimum requirements adopted for the promotion of the public health, safety, comfort, convenience and the general welfare. Except as specifically herein provided, it is not intended by the adoption of the ordinance codified herein to repeal, abrogate, annul, or in any way to impair or interfere with any existing provisions of law or ordinance, or any rules, regulations or permits previously adopted or issued, or which shall be adopted, or issued pursuant to law relating to the erection, construction, maintenance, establishment, moving, alteration, or enlargement of any building or improvement; nor is it intended by this title to interfere with or abrogate or annul any easement, covenant or other agreement between parties; provided, however, that in cases in which this title imposes a greater restriction upon the erection, construction, maintenance, establishment, moving, alteration or enlargement of buildings, or the use of any such buildings or premises in the several districts or any of them, than is imposed or required by such existing provisions of law or ordinance or by such rules, regulations, or permits or by such easements, covenants, or agreements then in such case the provisions of this title shall control.