Summary: City of Seattle regulations for Environmentally Critical Areas (ECAs) set strict platting standards (see SMC 25.09.240) on parcels containing any part of a biodiversity area or corridor (see fish and wildlife habitat conservation areas listed in 25.09.012.D), riparian corridors, priority habitat, priority area setback, wetlands, wetland buffers, and steep slope erosion hazard areas.

Date Revised: 06/13/2022

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