Only the following uses of land, buildings, or structures are allowed in the city:

A.

Uses lawfully established on the effective date of this title.

B.

Uses which:

1.

Had a building permit lawfully issued prior to the effective date of this title; and

2.

Began construction within six months of such date, which construction was diligently prosecuted to completion; and

3.

Are constructed and occupied in conformance with the plans that were the basis for the issuance of the building permit.

C.

Permitted uses in the applicable zoning districts, subject to the conditions and requirements herein.

D.

Conditional uses in the applicable zoning districts, subject to the approval of a conditional use permit and other conditions and requirements herein.

E.

Temporary Uses subject to the provisions herein.

The provisions herein shall, in their interpretation and application, be held to be minimum requirements.

In any case in which any portion of this or any other city ordinance, or any other law, regulation, or annexation agreement or any kind of private agreement, covenant, or easement applying within the city, establishes a requirement that is either more or less restrictive than a particular requirement established herein, the regulation that is more restrictive or that imposes the higher standard or requirement shall govern.

No building, structure, or use not lawful existing at the time of adoption of this title shall be made lawful solely by the adoption thereof. Such structure or use shall remain unlawful hereunder to the extent that it is in conflict with the requirements of this title.

It shall be unlawful to do or perform any one or more of the following acts except in compliance with the provisions of this title:

A.

To erect a new building or structure;

B.

To erect more than one main building on one lot, except where specifically provided for in a district.

C.

To have more than one principal use on one lot;

D.

To excavate for or build any foundation;

E.

To relocate, enlarge, structurally alter, or reconstruct any building or structure;

F.

To establish, expand, enlarge, relocate, or change any use of a building, structure or land;

G.

To establish, expand, enlarge, relocate or change any nonconforming use.

A.

It shall be unlawful to lease, sell, convey, or use a portion of an improved lot when the effect of such action is to reduce the following:

1.

The area of the lot below the minimum area requirements of this title;

2.

The lot area such that the floor area ratio is great than the maximum permitted by this title;

3.

The usable open space areas below the open space ratio and usable open space requirements of this title;

4.

The depth or width of a yard to less than the minimum depth or width required by this title; or

5.

The number of parking spaces on the lot below the minimum number of such spaces required by this title.

B.

It shall be unlawful to lease, sell, convey or use a lot or a portion of a lot used for required off-street parking without providing other parking facilities which meet the requirements of this title.

A.

The uses listed as permitted uses in various districts are principal uses. A building or use may be erected or established as an accessory building or use if:

1.

It is located on the same lot as the principal use;

2.

It is compatible in character and extent with the principal use and with the district in which the lot is located;

3.

It is customarily incident to the principal use;

4.

It complies with the other applicable regulations of this title; and

5.

It is not erected or established prior to the erection of the main building or the establishment of the principal use.

B.

In addition, as an accessory use, off-street parking may be located on a lot other than the lot upon which the principal use is located as provided in the requirements of Section 17.53.170.