Rain gardens and stormwater projects · Washington

King County RainScapes Green Stormwater Pilot

Run by King County Stormwater Services Section

WaitlistLast checked October 17, 2026
What you get
County covers construction costs during pilot plus first year of maintenance
Who qualifies
Owners of single or multi-family residences or businesses in unincorporated King County with a suitable site.
Where
Owners of homes or businesses in unincorporated King County with a suitable site.
Status
Waitlist. At maximum capacity, not accepting new applications.
Type of payment
Free installation

What you do

Have the county install a rain garden, cistern, trees or water-friendly paving on your property after a free site inspection.

Requirements

  • Free site inspection confirms suitability
  • Owner maintains feature after first year
  • Disclose feature when property is sold

How to apply

  1. 1Email [email protected] to join the waitlist
  2. 2Free consultation with Stormwater Services when open

Timing and deadlines

not published

Sources

Last checked October 17, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

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