Countywide Planning Policies

Updated Through April 15, 2020

The King County Growth Management Planning Council (GMPC)—a formal body, consisting of elected officials from King County, Seattle, Bellevue, other cities/towns in King County, special purpose districts, and the Port of Seattle—is updating King County’s 2012 (as amended in 2016: Countywide Planning Policies (CPPs) by the end of this year.

The CPPs provide a countywide vision and serve as a framework for all City Comprehensive Plan updates, which must be consistent with the overall vision for the future of King County. Please see:

The CPPs establish: (1) The Urban Growth Area (UGA) boundary; (2) Criteria for revising UGA Growth Targets for each jurisdiction; and (3) Criteria for defining urban centers and manufacturing/industrial centers. The new set of Growth Targets for each jurisdiction will have impacts on transportation infrastructure throughout the County.

The GMPC’s current schedule (subject to change) is: Growth Target Methodology (April 2020); Urban Growth Capacity (UGC), Countywide Planning Policies (CPPs) Update, & Growth Targets (June 2020); and CPP and UGC Public Review Drafts (September 2020). Final Actions on both the CPPs and the UGC Report are expected by the end of 2020. For more information, please see:


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