The regulations set forth in Sections 17.28.020 through 17.28.080 shall apply to all No. 5 districts. This zoning classification may serve as a buffer between established commercial uses and residential neighborhoods. The intent is also to allow the conversion of structures built for residential purposes which are suitable for office use and thereby preserve their character. This district also allows service-oriented uses that are low traffic generators as included in the list below. No outside storage, sales or displays are permitted in the C-1 district.

Permitted uses in the C-1, limited office district, are as follows:

1. Business and professional offices;
2. Medical offices (excluding clinics) not exceeding three thousand square feet;
3. Educational facilities, private or public;
4. Churches and other religious institutions (indoor use only);
5. Nursing homes;
6. Photography studio;
7. Beauty/barber shop;
8. Travel agency;
9. Tailor or dressmaker;
10. Bed and breakfast inns.

The following uses may be allowed by special use permit in accordance with the provisions of Chapter 17.48 of this title.

1. Medical offices over three thousand square feet;
2. Funeral homes;
3. Public service or utility uses;
4. Trade or business schools and studios;
5. Art galleries and museums;
6. Any use allowed in multi-family;
7. Community service organization;
8. Child care facility or elderly care facility;
9. Interior decorating shop.
10. Short-term Rental Properties as defined in Section 17.08.730.
    

Lot size requirements are as follows:

1. Every principal permitted use in this section shall be located on a tract of land having an area of not less than ten thousand square feet and a width at the established building line of not less than eighty feet.
2. Every special use permitted in the C-1 district shall be located on a tract of land the minimum size of which shall be specified at the time a special use permit is authorized.

No building shall be erected or enlarged unless the following yards are provided and maintained in connection with such building, structure or enlargement:

1. Front Yard. A front yard equal to at least one-half the right-of-way of the street on which the lot fronts. However, in no case shall the front yard be less than thirty feet nor require more than sixty feet.
2. Side Yard. A side yard on each side of the zoning lot of not less than ten feet, except, where a side yard adjoins a street, the minimum width shall be increased to one-half the right-of-way of the adjoining street, with a maximum of sixty feet.
3. Rear Yard. A rear yard shall be not less than twenty-five feet.

In the C-1 district, no building shall be erected or altered to a height in excess of thirty-five feet or two and one-half stories.

All buildings including accessory buildings shall not cover more than forty percent of the net site area.

Accessory buildings shall be located on the same lot with the principal building, shall not be less than ten feet from the principal building if not attached, shall not exceed fifteen feet in the height, nor be less than six feet from the side or rear lot line.