(a) Single-family dwellings: 60 percent.

(b) Single-family dwellings with an ADU, or multiple dwellings, duplexes, two-family dwellings, triplexes, courtyard apartments, and zero-lot-line dwellings: determined by parking and setback requirements.

(a) Front: 20 feet.

(b) Side: Five feet, except in zero-lot-line developments in which case no side yard setback is required from the common lot line(s), provided the remaining side yards are at least 10 feet each.

(c) Rear: Principal building: Equal to the height of the dwelling.

Accessory structures: Accessory structures adjacent to an alley may be placed on the alley line provided there are no openings in the wall adjacent to the alley. Garages with vehicle doors parallel to an alley shall be set back from the alley 20 feet. Where there is no alley, the setback shall be five feet. Structures related to rabbits and/or chicken hens, such as rabbit hutches and/or chicken coops, must be at least 10 feet from any property line, may not exceed six feet in height and 30 square feet in size, and must be located behind the rear line of the dwelling. Rabbit hutches and/or chicken coops adjacent to an alley may be placed within five feet of the alley line provided there are no openings in the wall adjacent to the alley. Property owners shall not allow such structures to become a nuisance due to noise or odor.

(a) Principal building: 40 feet for single-family detached or attached dwellings and 45 feet for multiple dwellings, duplexes, two-family dwellings, triplexes, courtyard apartments, and zero-lot-line dwellings, except a greater height may be approved by special permit.

(b) Accessory buildings: 15 feet.