Zoning Districts | District Standards—Density and Dimensions
a. Lots smaller than one-half acre in area shall comply with standards of the nearest comparable R-4 through R-8 zone. b. For lots that are one-half acre in area or larger, the impervious surface area allowed shall be 10,000 square feet or 30 percent of the property, whichever is greater. c. On any lot over one acre in area, an additional five percent of the lot area may be used for buildings related to agricultural or forestry practices. d. For lots smaller than two acres but larger than one- half acre, an additional 10 percent of the lot area may be used for structures which are determined to be medically necessary, provided the applicant submits with the permit application a notarized affidavit, conforming with the requirements of SDC 21.05.030H.1.b.
a. the proposed increase is the minimum necessary to resolve the design conflict as demonstrated through written engineering analysis prepared by a qualified consultant and verified by the City; b. the proposed increase will not result in impact to the root zone and tree protection areas required for retained significant trees under SDC 21.03.060.I.; and c. the project is compliant with applicable stormwater regulations.
e. Public projects shall be subject to the applicable impervious surface provisions of the R-4 zone.
5. For school and government uses, maximum impervious surface limitations, minimum yard area requirements, and maximum lot coverage restrictions may be increased as part of the review of a Type 1, Type 2, or Type 3 permit application to accommodate instances where they render a necessary component of a project infeasible. Deviation from the maximum impervious surface limitations, minimum yard area requirements, and maximum lot coverage restrictions shall be granted if the following are satisfied:
214 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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