17.106.020 Applicability.
A. Development Review Required. No one shall construct any structure, or relocate, rebuild, or significantly enlarge or modify any existing structure or site until development review has been completed and approved in compliance with this chapter.
1. Cultural Heritage Committee Review. Notwithstanding subsection C of this section and Section 17.106.030 (Levels of development review) certain projects may require review by the cultural heritage committee in accordance with Chapter 14.01 (Historic Preservation Ordinance).
B. Enlargements and Modifications. For the purposes of this chapter, the term “significantly enlarge or modify” shall be measured from the increase in gross floor area of the original approval and be defined as follows:
1. Residential Enlargement or Modification. Residential enlargements or modifications larger than one thousand square feet or twenty-five percent of the existing gross floor area before the addition, whichever is less.
2. Nonresidential Enlargement or Modification. Nonresidential enlargement, modification, reconstruction, rehabilitation, or remodel resulting in an increase in gross floor area equal to or exceeding twenty-five percent of the existing gross floor area of the structure or more than two thousand five hundred square feet, whichever is less, before the construction.
3. Mixed-Use Development. Mixed-use development enlargement, modification, reconstruction, rehabilitation, or remodel resulting in increase in gross floor area equal to or exceeding twenty-five percent of the existing gross floor area of the structure or more than two thousand five hundred square feet, whichever is less, before the construction.
C. Exceptions. The following types of projects are exempt from the levels of development review:
1. Accessory structures as defined in Section 17.70.010 (Accessory structures);
2. Accessory dwelling units, junior accessory dwelling units, and guest quarters as defined in Section 17.86.020 (Accessory dwelling units, and junior accessory dwelling units, and guest quarters);
3. Housing development projects which qualify under Chapter 17.69 (Objective Design Standards for Qualifying Residential Projects);
4. Single-unit dwellings as defined in Section 17.156.038 (S Definitions) and minor or significant additions or modifications to existing single-unit dwellings, except as identified in Section 17.106.030(B)(1);
5. Small residential development projects that consist of the construction, minor or significant additions, rehabilitation or remodel of less than five dwellings, where the gross floor area of each individual dwelling does not exceed one thousand two hundred square feet, except as identified in Section 17.106.030(B)(1);
6. Aesthetically insignificant projects which include modifications, additions, reconstruction, rehabilitation, or remodel of existing structures or other site features, that are not defined as a significant enlargement or modification, and have no potential for conflict with the objectives of development review as identified in Section 17.106.010 (Purpose and intent). (Ord. 1705 § 63, 2021; Ord. 1650 § 3 (Exh. B), 2018)