King County Local Governments
Note: This list contains known special districts. Information is from multiple sources. Jurisdictions are encouraged to assist in updating this page by contacting MRSC.
King County
- Area: 2126.1 Sq. Mi.
- Maps - King County GIS Center - Includes maps of some special districts
- King County Assessor's Report - Lists taxing authorities (entities that have authority to levy property taxes)
- King County Elections Candidate Filing Information - Lists Offices Subject to Election for current year including special districts
Cities
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Special Purpose Governments
Air Pollution Control Authority - Puget Sound Clean Air Agency
Airport District - King County Airport District #1 - Vashon Island
Cemetery District - King County Cemetery Dist #1 - Vashon and Maury Islands
Conservation District - King Conservation District - King county and incorporated cities except Federal Way, Enumclaw, Skykomish, Milton and Pacific
Diking and Drainage Districts
- King County Drainage District #1 - Green River Valley floor east of river
- King County Drainage Dist #2 - Military Road - Green River
- King County Drainage District #5 -
- King County Drainage District #6 - Enumclaw south
- King County Drainage District 7 - Farmland joining Cherry Creek at Duvall
- King County Drainage District #13 - Farm area north of Enumclaw
Ferry District - King County Ferry District
Fire Districts See List of King County Fire Service Providers, MRSC, as well as King County Fire Departments, from the Fire Departments Network.
Flood Control Zone District
- King County Flood Control Zone District
- King County Ordinance No. 15728 (4-07)
- Green River Flood Control Zone (Dissolved with creation of county-wide district)
- West Lake Sammamish Flood Control Zone (Dissolved with creation of county-wide district)
Hospital District
- King County Public Hospital District #1 (Renton) - Valley Medical Center - City of Renton, Kent, and 2/3 Tukwila
- King County Public Hospital District #2 (Kirkland) - Evergreen Healthcare - Kirkland, Bothell, Redmond, and Woodinville (see About Evergreen Healthcare for Commissioner Information)
- King County Public Hospital District #4 - Snoqualmie Valley Hospital District - service area Snoqualmie. North Bend, Carnation, Fall City, Preston, and Snoqualmie Pass
Housing Authorities
- King County Housing Authority
- Seattle City Housing Authority
- Renton City Housing Authority
Library Capital Facilities Area
- Issaquah Capital Facilities Area
- Redmond Capital Facilities Area
Library District
- King County Rural Library District
- Cities Annexed: Algona, Auburn, Beaux Arts Village, Bellevue, Black Diamond, Bothell, Burien, Carnation, Clyde Hill, Covington, Des Moines, Duvall (part), Enumclaw (part), Federal Way, Issaquah, Kenmore, Kent, Kirkland, Lake Forest Park, Maple Valley, Medina, Mercer Island, Milton (part), Newcastle, North Bend, Normandy Park, Pacific, Redmond, Sammamish, SeaTac, Shoreline, Skykomish, Snoqualmie, Tukwila, Woodinville
- Snoqualmie Ordinance No. 865 creates a Library Advisory Board to provide input to the King County Library Board
Park and Recreation Districts - See List of King County Park and Recreation Special Districts, MRSC
Port District - Port of Seattle
Public Facilities District
- Kent Special Events Center Public Facilities District (8-07)
- The Washington State Major League Baseball Stadium Public Facilities District
Public Stadium Authority - Washington State Public Stadium Authority - Statewide
School Districts - See List of King County School Districts, MRSC
Transportation
- City Transportation Authority (Seattle Popular Monorail Authority ) - Dissolved
- Sound Transit - Central Puget Sound Regional Transit Authority (RCW 81.12 RCW)
- Regional Transportation Investment District Planning Committee (RTID - King, Pierce, and Snohomish Counties) Voters did not approve the plan at the November 2007 election which included the creation of a regional transportation investment district and imposition of taxes and fees, the district was not formed; see RCW 36.120.080
- Lake Forest Park Transportation Benefit District, Ordinance No. 983 passed 10/08
Water and Sewer Districts - See List of King County Water and Sewer Districts, MRSC
Other Special Purpose Districts (Not Independently Governed)
- Lake Management Districts
- Beaver Lake Management District (Sammamish)
- Steel Lake Management District (Federal Way)

