20.100.910

Unless the base zone is being utilized: A. No building or structure shall be erected, constructed, enlarged, placed or installed or moved onto any site nor shall there be any exterior alteration of any structure which is in a planned development district, and no building permit or installation permit shall be issued for such work, except pursuant to and in accordance with a planned development permit. B. No use shall be added, changed, modified, enlarged or altered on any site which is in a planned development district except pursuant to and in accordance with a planned development permit. C. A planned development permit may be issued for all or any part of the property situated in a planned development district. D. A planned development permit or amendment to a planned development permit may be issued for: 1. The use of new dwelling units, which are not yet occupied for residential purposes, as model homes or sales offices in connection with the sale of dwelling units in a planned development district. 2. The use of structures, such as mobile homes, as sales offices in connection with the sale of dwelling units in a planned development district. 3. The use of land in the planned development district for off-street parking or other uses incidental to the sales office or model home operation. Such use shall be limited to the duration of the sales office or model home operation. E. A planned development permit is not required for building additions, exterior alterations, and accessory structures on parcels eight thousand square feet or less which are used for single-family detached residential use if the additions, alterations, or structures: 1. Meet the development regulations of the R-1-8 residence district; and 2. The construction would not require the issuance of a single-family house permit, pursuant to Part 9 of this Chapter 20.100 , if the property were not situated in a planned development zoning district; and 3. The addition, alterations or accessory structures otherwise conform to the requirements of the planned development zoning district. F. A planned development permit is not required for mechanical equipment in planned development districts consisting solely of detached, one family dwelling uses. The setbacks for all mechanical equipment in these planned development districts must meet the setback requirements set forth in the particular planned development district. If no setback standards have been set forth for a particular planned development district, the setbacks requirements shall be those standards set forth in Section 20.60.080 . G. A valid planned development permit or amendment, issued under this part, is required for the creation, replacement, alteration or reconfiguration of impervious surface on any portion of a site not used solely for one single-family residence or for the creation, replacement, alteration or reconfiguration of 10,000 square feet or more of impervious surface on any portion of a site used for one single-family residence within a planned development district. (Ords. 26248, 26455, 26495, 26995, 30336, 30906.)