Eligibility

Check your RainWise rebate eligibility for a cistern and/or rain garden.

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Eligibility FAQ

Why am I not eligible for a rain garden?

Not all properties can support a rain garden. If your property has poorly draining soils, a steep slope, or is in a landslide-prone area, installing a rain garden may not be safe or practical. A cistern may still help you manage stormwater at your property. Learn more about what determines rain garden eligibility (PDF) and the benefits of cisterns (PDF).

What if I'm not eligible for RainWise?

You may qualify for a GSI Mini-Grant through Stewardship Partners. Available to anyone in the King County Wastewater Treatment Service Area, these grants fund green infrastructure projects including rain gardens, cisterns, depaving, green roofs, and tree/grattix boxes. Grant amounts are based on the size of your roof drainage area. The larger the area, the larger the grant. Learn more about GSI Mini-Grants on the Stewardship Partners website.

If you are already eligible for RainWise and want to add other improvements such as depaving or a green roof, you can apply for a GSI Mini-Grant in addition to your RainWise rebate.

What else can I do?

If you live outside of Seattle, learn about other Puget Sound GSI Incentive Programs on the Stewardship Partners website.

If you want to build your own rain garden or explore more resources, visit the rain garden and stormwater resources page on the 12,000 Rain Gardens website.

Disclaimer

The City of Seattle and King County are not endorsing any specific business / contractor / vendor or making any representation or warranty regarding their qualifications, products, or workmanship. The City of Seattle and King County disclaim any liability that may be alleged to arise from the work of any business / contractor / vendor on a customer project. The City of Seattle and King County offer this rebate to completed projects and do not offer warranties or guaranties. It is up to the property owner to ensure that the project is maintained correctly and operating effectively.