In the R-2 multi-family residential districts, the permitted principal uses are as follows:

A.

Any use or structure permitted and as regulated in Section 17.20.010, modified in this chapter;

B.

Dwellings for any number of families;

C.

Boardinghouses and lodging houses.

In the R-2 multi-family residence districts, the permitted accessory uses are as follows: Any use or structure permitted and as regulated in Section 17.20.020.

In the R-2 multi-family residence districts, the following uses are permitted when authorized by the board of appeals:

A.

Any use as regulated in Section 17.20.030, except as modified in this title;

B.

Office of civic, religious or charitable organizations and financial or insurance institutions conducting their activities primarily by mail and not handling merchandise or rendering services on the premises;

C.

Physicians' and dentists' offices and private clinics for human care, professional offices of architects, engineers, lawyers, and the like; offices devoted to real estate, insurance, management, and similar enterprises when conducting their activities primarily by mail or telephone and not displaying or handling merchandise on the premises;

D.

Mobile home parks subject to the following conditions:

1.

The mobile home park shall be located on a parcel of ground at least five acres in size and each boundary line of the park shall be at least two hundred feet from any residential structure located outside the park unless separated by a natural or artificial barrier from the residential structure,

2.

The park shall be located on a well-drained site, properly graded to insure rapid drainage and freedom from stagnant pools of water,

3.

Each mobile home space shall be large enough to provide a distance of ten feet between any mobile home or structure on the space and the lot line, a front yard of fifteen feet and a rear yard of ten feet,

4.

All mobile home spaces shall abut upon a driveway of not less than twenty feet in width which shall not have unobstructed access to a public street,

5.

Walkways not less than two feet wide shall be provided to the service buildings,

6.

All driveways and walkways in the park shall be hard surfaced and lighted at night,

7.

Each park shall provide service buildings to house such toilet, bathing and other sanitary facilities and such laundry facilities as may be prescribed,

8.

An electrical outlet supplying at least one hundred ten volts shall be provided for each trailer space,

9.

Adequate sanitary facilities and supply of pure water shall be provided to each mobile home space,

10.

Each park shall comply with the regulations set forth by the competent authority.

No principal structure shall exceed six stories or seventy-five feet in height, at the required front, side, and rear yard lines, other than as provided in Section 17.52.020, except that one foot may be added to the height permitted for each one foot that the building is set back from the required yard lines and that one foot may be added to the minimum lot width for each one foot that the building exceeds six stories or seventy-five feet in height.

The following minimum requirements shall be observed, subject to the additional requirements, exceptions and modifications in Sections 17.52.030 through 17.52.050, inclusive. Each structure shall be located on a lot containing at least seven thousand square feet. Each structure containing more than one family shall be located on a lot having an area of four thousand square feet for each family.

Minimum gross floor area for dwellings shall be nine hundred fifty square feet.

No lot shall be built upon or used for the purposes permitted by this chapter unless a sewage disposal system and a safe water approved by the county board of health and the state department of health are provided to each lot by the owner or developer.