A. Purpose: The purpose of this chapter is to provide general regulations, applicable to all zoning districts, for minor accessory buildings, and major accessory buildings which are customarily incidental and subordinate to the principal use and which are located on the same lot as the principal use.
B. Use Limitations: In addition to the applicable use limitations of the district regulations in chapter 10-2 of this title, no minor accessory building, or major accessory building shall be permitted unless it complies with the restrictions set forth below:
1. A minor accessory building or major accessory building except as expressly authorized by this chapter shall be incidental and subordinate to the principal structure in area and use;
2. A lot or parcel may have one (1) major accessory building and one (1) minor accessory building provided they meet the minimum requirements of this section;
3. A lot owner may not combine a major accessory building with a minor accessory building to create a larger structure;
4. If there is an existing major or minor accessory building(s) on a lot. That building or buildings shall be counted toward the total square footage and number of buildings allowed on the lot;
5. A minor accessory building, or major accessory building shall be under the same ownership or control as the principal use or structure;
6. No minor accessory building, or major accessory building shall be established or constructed before the principal use is in operation or the principal structure is under construction in accordance with these regulations; and
7. No sign, except as expressly authorized by the provisions of chapter 10-8-2 of this title, shall be maintained in connection with an accessory building.
C. Minor Accessory Building: Minor accessory buildings are allowed in all zoning districts provided the following criteria are met:
1. Maximum Coverage: The maximum building coverage of a single minor accessory building shall not exceed seventy five percent (75%) of the building footprint of the principal structure on the lot up to a maximum of two thousand (2,000) square feet.
2. Secondary Structures: An additional four hundred (400) square feet of building footprint is allowed for secondary accessory structures. This is a one-time allowance and cannot be used to make a minor accessory structure larger.
3. Combined Coverage: The combined building footprint for all minor accessory buildings and secondary structures shall not exceed ninety percent (90%) of the building footprint of the principal structure.
4. Height: The height of a minor accessory building shall not exceed twenty-six feet (26').
D. Major Accessory Building:
1. Qualifying Provisions: Major accessory buildings are a conditional use in all zones. To qualify for conditional use review by the planning commission under section 10-3-5, "Conditional Use Permit", of this title, the applicant must demonstrate that the major accessory building complies with the following:
a. Lot Size: A major accessory building shall be located on a lot or parcel one (1) acre or greater in size.
b. Structure Size: The maximum building footprint of a major accessory building is based on the size of the lot where the building is proposed.
Lot Size | Maximum Major Accessory Building Footprint |
> 1 up to 2 acres | 2,500 square feet |
> 2 up to 3 acres | 5,000 square feet |
> 3 up to 4 acres | 7,500 square feet |
> 4 up to 5 acres | 10,000 square feet |
> 5 acres | 12,500 square feet |
c. Location: A major accessory building may not encroach into any required setback areas on a lot. In some cases, the planning commission may increase that setback to create an adequate buffer to adjacent uses.
d. Height: The height of a major accessory building shall not exceed twenty-six feet (26').
e. Number Of Structures: Only one (1) major accessory building is allowed on a lot or parcel.
E. Steel Shipping Containers: Steel shipping containers are prohibited. (Ord. 930, 9-8-2021)