District Standards—Density and Dimensions | Zoning Districts
the maximum height may exceed 75 feet only in mixed use developments. Netting or fencing and support structures for the netting or fencing used to contain golf balls in the operation of golf courses or golf driving ranges are exempt from this additional setback requirement; provided, that the maximum height shall not exceed 75 feet. (8) The impervious surface area for any lot may be increased beyond the total amount permitted in this chapter subject to approval of a conditional use permit. (9) Subject to the increase in maximum height permitted pursuant to SDC 21.02.030D., preferred low impact development incentives.
disturbances associated with the proposed project to the highest point of the structure or roof. The average existing grade shall be determined by first delineating the smallest square or rectangle that can enclose the structure or building and then averaging the existing grade elevations taken at the midpoint of each side of the square or rectangle; 4. Lot area shall be the total horizontal land area contained within the boundaries of a lot; and 5. Impervious surface calculations shall not include areas of turf, landscaping, natural vegetation, surface water flow control, or water quality treatment facilities.
E. Measurement methods
F. Minimum urban residential density
The following provisions shall be used to determine compliance with this Chapter:
Minimum density for residential development in the urban areas designated by the comprehensive plan shall be based on the tables in this chapter and adjusted as provided for in SDC 21.04.030I. G. Calculations—Allowable dwelling units, lots or floor area, lot coverage
1. Front yard setbacks shall be measured from the property line or lot line of an existing edge of a street right-of-way or temporary turnaround, except as provided by SDC 21.04.030R.; 2. Lot widths shall be measured by scaling a circle of the applicable diameter within the boundaries of the lot; provided, that an access easement shall not be included within the circle; 3. Structure height shall be measured from the average existing grade of land prior to any cuts and fills or other
Permitted number of units, or lots or floor area shall be determined as follows:
1. The allowed number of dwelling units or lots (base density) shall be computed by multiplying the site area specified in SDC 21.04.030.H by the applicable residential base density number; 2. The maximum density (unit or lot) limits shall be computed by adding the bonus or transfer units authorized by SDC 21.06.070 to the base units computed under subsection 1. of this section;
Effective | January 1, 2022
Title 21: Sammamish Development Code | 203
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