MUNICIPAL INCENTIVE SPECIFICATION: WA
Seattle, WA Rain Garden & Stormwater Rebate Guide
Official Overview for the RainWise Rebate Program serving King County and the Puget Sound Basin watershed.
Maximum Residential Grant: $4,500
Reimbursement Rate: $12.00 per sq ft of engineered bioretention area.
Eligible Green Infrastructure Practices
- Rain Gardens — Reimbursable up to program cap
- Cisterns with Infiltration — Reimbursable up to program cap
How to Claim Your Seattle Rebate
- Conduct an infiltration perk test on your lawn (target >0.5 in/hour).
- Size your bioretention bed using our free calculator.
- Submit your project narrative to RainWise Rebate Program.
LAUNCH SEATTLE REBATE CALCULATOR