The regulations set forth in Sections 17.24.020 through 17.24.080 shall apply in all No. 3 districts.

Permitted uses shall be as follows:

1. Multi-family dwellings of two or more dwellings per building;
2. Public parks and recreation areas.

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

1. Non-profit and charitable institutions;
2. Private clubs or lodges, except those the chief activity of which is a service customarily carried on as a business;
3. Churches, rectories, seminaries, convents, monasteries and similar religious institutions;
4. Community swimming pools;
5. Day nursery schools;
6. Daytime or nighttime care centers;
7. Educational institutions;
8. Golf courses, public or private;
9. Offices, business and professional;
10. Planned community developments;
11. Public service uses, including but not limited to:
    Filtration plant;
    Sewage treatment plant;
    Police and fire stations;
    Telephone exchange;
    Electric substations and booster stations;
    Other governmental uses.
12. Funeral homes;
13. Meeting halls;
14. Bed and breakfast inns;
15. Cemetery, crematory, mausoleum;
16. Nursing and convalescent home;
17. Any use permitted in the R-2 zoning district as set forth in Section 17.22.020.
18. Short-term Rental Properties as defined in Section 17.08.730.
    

Lot size requirements are as follows:

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 R-3 district, no building shall be erected or altered to a height in excess of thirty-five feet or two and one-half stories.

The maximum site coverage in the R-3 district shall not exceed forty percent of the lot 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 height, nor be less than six feet from the side or rear lot line.