WA directory
Rebates, grants, credits, cost shares, and other property project programs available in Washington.
Best place to start
Install an approved rain garden or cistern that manages enough roof runoff.
Rain gardens use $13.12 per approved square foot of roof managed; confirm the current cistern rate.
The program may support one of these project types: Build a Rain Garden, Bioswale, or Runoff-Management Yard, Replace Pavement or Build a Permeable Driveway or Patio, or Create a Native, Pollinator, or Conservation Yard.
Stormwater managed: $7.50 per square foot of impervious area managed. Single family contractor: 75% up to cap. Single family DIY: 100% up to cap. Other property: 75% up to cap. Nonprofit: 100% up to cap.
Nationwide starting points
Federal programs often run through state or local offices and still require a site-specific decision.
Build or Improve a Farm, Livestock, or Heavy-Use Area.
State and year specific payment schedule.
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