Ord. 20659 (ADUs) - Laserfiche WebLink

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recreation facilities. (d) For purposes of calculating net density: 1. The acreage of land considered part of the residential use shall exclude public and private streets and alleys, public parks, and other public facilities. 2. In calculating the minimum net density required for a specific lot or development site, the planning director shall round down to the previous whole number. 3. In calculating the maximum net density allowed for a specific lot or development site the planning director shall round up to the next whole number only for: a. A lot or development site that is 13,500 square feet or more in area; b. A lot or development site that is not abutting the boundary of, or directly across an alley from land zoned R-1; and c. Fractions of .75 or above. In all other circumstances, the planning director shall round down to the previous whole number. 4. At the request of the developer, the acreage described in 1., above, also may exclude natural or historic resources. For purposes of this section, natural resources include those designated for protection in an adopted plan and the area within natural resources protection or conservation setbacks that have been applied to the development site. For purposes of this section, historic resources include historic property and resources identified in an official local inventory as “primary” or “secondary.” It may also include additional natural or historic resources upon approval of the planning director. (e) Legally established buildings and uses conforming to the residential net density requirements in the R-2, R-3 and R-4 zones on December 7, 1994 are exempt from EC 9.1210 to 9.1230 Legal Nonconforming Situations, pertaining to nonconforming uses. This exemption is limited to development sites in the R-2, R-3, and R-4 zones on which residential buildings and uses existed, or in which a development permit or land use application was pending, on December 7, 1994. If such a building which is nonconforming as to minimum density is destroyed by fire or other causes beyond the control of the owner, the development site may be redeveloped with the previous number of dwelling unit(s) if completely rebuilt within 5 years. If not completely rebuilt within 5 years, the development site is subject to the density standards of this section. (f) Provided the number of dwelling units are not reduced below the number present at the time of historic landmark designation, changes in the number of dwelling units within the historic property are exempt from the residential net density minimums. * * * (17) Accessory Dwellings. (a) General Standards for Attached Accessory Dwellings. Except as provided in subsection (c) below, attached accessory dwellings shall comply with all of the following: 1. Building Size. The total building square footage of an accessory dwelling shall not exceed 10 percent of the total lot area or 800 Ordinance - Page 4 of 25