• 2017-12-01

    King County Greenhouse Gas Emissions Inventory: A 2015 Update

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    This December 2017 report inventories greenhouse gas emissions across King County, Washington, providing a comprehensive 2015 update that examines emissions by sector using geographic-based and consumption-based methodologies. It was prepared by Cascadia Consulting Group and Hammerschlag & Co. LLC, covering sources such as transportation, buildings, waste, and energy use. The report tracks changes in emissions over time and analyzes key data sources to help inform county-level climate and environmental policy decisions.
  • 1992-06-26

    North SeaTac Park master plan draft

    This 1992 draft Master Plan for North SeaTac Park was submitted by landscape architecture firm Jones & Jones to the City of SeaTac and King County. The plan outlines proposed development and improvements for North SeaTac Park, a public green space in the community surrounding Seattle-Tacoma International Airport. The document reflects a collaborative effort involving city staff, elected officials, a citizen advisory committee, and King County parks representatives.
  • 1981-05-13

    King County Council Notice: Proposed Motion 81-322 Rescinding Motion 4668, Building and Land Development File 224-78-R (Port Of Seattle Reclassification)

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    In December 1979, the King County Council passed Motion 4668 approving a rezone request by the Port of Seattle (Building and Land Development File No. 224-78-R), subject to conditions including the Port providing 5 acres for a neighborhood park and agreeing not to develop a 55-acre Westside Greenbelt buffer area for ten years. In May 1981, the Council proposed Motion 81-322 to rescind and replace Motion 4668, with key differences in the conditions outlined on page 2 of each motion. The matter, which had been appealed by both the applicant and neighboring property owners, required a separate public hearing in affected communities as part of the site plan approval process.
  • 1980-01-01

    Highline Community Plan: Proposed Area Zoning

    This January 1980 King County Division of Planning report proposes new zoning maps for the Highline community, located south of Seattle between I-5 and Puget Sound, to implement the Highline Communities Plan adopted in December 1977. The plan translates land use policies into specific zoning classifications covering topics such as mixed-use development, mobile home development, an Airport Open Use Zone, and landscaping guidelines. It applies only to unincorporated King County areas and was subject to public community meetings and hearings before adoption by the County Council.
  • 1976-09-20

    Ordinance No. 2883: An ordinance adopting the Sea-Tac Communities Plan

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    King County Ordinance No. 2883, passed in September 1976, officially adopted the Sea-Tac Communities Plan as an addendum to the King County Comprehensive Plan, establishing it as the guiding policy for land use, development, and redevelopment around Sea-Tac International Airport. The plan, developed with Federal Aviation Administration grant funding and extensive community involvement, addresses noise programs, open space acquisition areas, and compatible land use in the airport's vicinity. It required coordination between King County and the Port of Seattle on any future changes, with the Highline Communities Plan designated as the official zoning guideline for implementing its land use concepts.
  • Puget Sound Gateway Program Phase 1 SR-509 Completion Project Environmental Re-Evaluation Map

    Map from the Puget Sound Gateway Program Phase 1 SR-509 Completion Project Environmental Re-Evaluation (page 343 cropped). Shows 2003 FEIS Alternative C2 and Phase 1 Improvements along I-5 corridor between S 272nd St and S 188th St in King County, Washington, covering Federal Way, Des Moines, SeaTac, Burien, Kent, and Tukwila. Documents interchange configurations (Full
  • 2026-08-30

    Appendix D Land Use

    This document describes existing land uses near Seattle-Tacoma International Airport (SEA) as part of a Part 150 noise study. It draws on King County parcel and assessor data to categorize land use across nearby communities including Burien, Des Moines, Federal Way, Normandy Park, SeaTac, Tukwila, and unincorporated King County. The City of Burien, for example, is predominantly single-family residential (about 70% of its land area), with smaller shares dedicated to open space, commercial development, and institutional uses.
  • 2026-08-30

    Appendix D Land Use

    This document describes existing land uses near Seattle-Tacoma International Airport (SEA) as part of a Part 150 noise study. It draws on King County parcel and assessor data to categorize land use across nearby communities including Burien, Des Moines, Federal Way, Normandy Park, SeaTac, Tukwila, and unincorporated King County. The City of Burien, for example, is predominantly single-family residential (about 70% of its land area), with smaller shares dedicated to open space, commercial development, and institutional uses.
  • 2026-08-28

    Chapter 3 Urban Center Background Report

    This document is Chapter 3 of the City of SeaTac's Envision SeaTac 2044 Comprehensive Plan, providing background on the city's designated Urban Growth Center. It outlines regional planning requirements from the Puget Sound Regional Council (PSRC) and King County, including growth targets, housing, transportation, and equity considerations for the urban center surrounding the SeaTac/Airport area. The chapter also describes three subareas — City Center, South 154th Street Station Area, and Angle Lake Station Area — and their projected growth capacity through 2044.
  • 2026-08-28

    Chapter 3 Urban Center Background Report

    This document is Chapter 3 of the City of SeaTac's Envision SeaTac 2044 Comprehensive Plan, providing background on the city's designated Urban Growth Center. It outlines regional planning requirements from the Puget Sound Regional Council (PSRC) and King County, including growth targets, housing, transportation, and equity considerations for the urban center surrounding the SeaTac/Airport area. The chapter also describes three subareas — City Center, South 154th Street Station Area, and Angle Lake Station Area — and their projected growth capacity through 2044.