1)    Maximum Size:

a)    The footprint shall not exceed the lesser of 1) 15% of the total lot area; 2) 3,000 square feet; or 3) the dwelling’s building footprint.

I.    Exceptions for Attached Garage. An attached garage constructed as an integral part of the dwelling is not included in this limitation. “Integral” means that at least two sides, or a side and ceiling, of the garage abuts habitable space of the dwelling.

II.    Porches. Any porch, including any covered decks or patios which are an integral part of the porch are not considered an accessory building and subject to these provisions. See Chapter 19.06 EMC for lot coverage requirements.

III.    Exceptions for Other Structures. Up to 200 square feet of the following accessory buildings or structures are not included in the size calculations above: child’s playhouse or treehouse, play structure, gazebo, doghouses, patio or garden trellis. This exception does not include sheds or other storage buildings.

b)    A detached accessory building(s) shall be compatible with the dwelling including roof pitch and building materials.

c)    If the city finds that the impacts of accessory buildings which are larger than 1,000 square feet will create noise, vibrations or impact privacy to adjoining properties in excess of what a smaller accessory building would create, the city shall have the authority to impose greater setback requirements, landscape buffers, or other requirements as necessary to mitigate the impacts.

d)    If the principal use is a housing type with maximum floor-to-area ratios (FAR), please see FAR limits that may affect the size of residential accessory buildings.

2)    Setbacks, Front and Side Street:

a)    Any accessory residential structure located within the rear setback area required for a principal dwelling shall have a minimum separation from the principal dwelling of 10 feet, not including eaves or other building appurtenances.

b)    See Chapter 19.06 EMC.

3)    Maximum Height:

See Chapter 19.22 EMC.

4)    Design Standards:

a)    Metal siding or corrugated metal roofing material shall be prohibited on all accessory buildings with a gross floor area larger than two hundred square feet, unless materials similar in appearance are used in the majority of the principal building or if approved by the planning director.

b)    The planning director, using the review process described in EMC Title 15, Local Project Review Procedures, may allow accessory buildings with metal siding or corrugated metal roofing.

5)    Temporary Covers:

Structures that are covered or partially covered with tarps, fabric, metal, plastic or any other similar type of materials shall:

a)    Be prohibited between any portion of the principal building and abutting streets. This prohibition shall apply to any area of the lot that is located between the street and a line that is parallel to the street and extended from any facade of the principal building that faces the street to the side lot line(s), or to the rear lot line on the street side of a corner lot; and

b)    Be immediately removed or repaired in the event of disrepair or in the event of damage caused by weather, fire, collision, accident or other forms of damage.

6)    Shipping Containers

Shipping containers or other similar storage units do not qualify as accessory buildings under this section and shall be prohibited in residential zones.