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Grant program retired

With the passage of the 2026-2031 King County Parks Levy, this grant program has been retired following the final grant process in 2025. To learn more about the King County Parks' active grant programs, please visit our Parks Levy page.

Open Space - River Corridors Grant

People relax on a river bank beneath a bridge

About This Grant Program

The Open Space – River Corridors grant program supports projects that help restore the natural functions of rivers, create or restore public access, and/or increase public awareness of river corridors as valuable natural resources. This grant program incentivizes multi-benefit projects that integrate recreation and habitat restoration with larger floodplain management efforts.

  • $22 million in total funding 2020-2025
  • Awards up to $1 million
  • Available in 2025: $6.7 million
  • Biennial application - 2025 Applications Closed April 3

All projects must be located within King County and be associated with one or more of the following rivers: Cedar; Duwamish; Green; Raging; Sammamish; Snoqualmie; South Fork Skykomish; Tolt; White.

Eligible Applicants

  • City or town
  • King County agency
  • Port, Flood, Conservation, or Diking and Drainage Districts
  • Salmon recovery forums
  • Nonprofit organization
  • Tribal organization

Eligible Project Types

  • Acquisition
  • Feasibility Study
  • Planning and Design
  • Construction
  • Project-specific outreach and education

Examples of Funded Projects

  • Planning for Gateway North Park, a new park along the Duwamish River in Georgetown that will feature upland restoration, passive recreational opportunities, and access to the river
  • Acquiring a 17-acre parcel of undeveloped floodplain adjacent to Three Forks Park between North Bend and Snoqualmie
  • Restoring critical riparian habitat along the Lower Green River in Auburn and connecting diverse youth to green jobs training and the engaging community with salmon recovery efforts
  • View the full lists of funded projects (Select the Open Space - River Corridors tabs)

Learn More

The following resources are for applicants interested in the 2025 grant cycle:

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