A. Permitted uses. No building structures or land shall be used and no building or structure shall be hereafter erected, enlarged or altered in the A-U zone except for the following uses:
1. A use permitted outright in an R-8, R-10, R-20, or MH-5 zones;
2. Two attached family dwellings;
3. Apartment dwellings;
4. Boarding house, lodging house and rooming house.
1. A conditional use as permitted in R-8, R-10, R-20, or MH-5 zones;
2. Auditorium, exhibition or public assembly room;
3. Medical, dental or other professional office or clinic;
4. Any service, processing, storage or display essential or incidental to any permitted use in this zone and not conducted entirely within an enclosed building.
C. Lot requirements. In the A-U zone the lot requirements shall be as follows:
1. The minimum lot area shall be 8000 square feet. When used for multifamily residential purposes the minimum lot area shall be according to the following table:
Number of Units Square Feet Per Unit
1 8,000
2 5,000
3 and up to 6 3,630
units maximum
units maximum
2. The minimum average lot width shall be 60 feet except on a cul-de-sac where minimum width shall be 60 feet at the building line.
3. Buildings shall not occupy more than the following percentage of the lot area:
Number of Dwelling Units Percent of Lot Coverage
2 and 3 40%
4 to 6 45%
E. Setback requirements. Except as may otherwise be provided in § 13.06.020, the setbacks for uses in the A-U zone shall be as follows:
1. The front yard setback shall be a minimum of 20 feet for a one story building, and would increase as the building height increases: two stories, 30 feet;
2. The side yard shall be a minimum of five feet for one story, seven feet for one and one-half stories, and 10 feet for two stories;
3. On corner lots the setback shall be 20 feet on any side facing a street other than an alley;
4. The rear yard shall be the same as side yards;
5. Where buildings are grouped as one project on one tract of land, the minimum distance between two buildings at any given point shall not be less than the sum of the required side yards computed separately for each building at that point.
E. Building height. Except as otherwise provided in 13.06.020, no building in the A-U zone shall exceed a height of three stories or 40 feet whichever is less.
F. Additional requirements. Additional requirements applicable in the A-U zone include but are not limited to the following:
1. Off-street parking and loading, see § 13.06.160;
2. access and egress, see § 13.06.170;
3. apartment dwellings, provided that any common boundary between an A-U zone and any other residential zone is not inhibited by noise, sight or vision from air and light. The provision of this shall be the responsibility of the property ownership in the A-U zone.
(Ord. 81-09 (part), 1981)