Redmond vs Seattle
How do rainwater harvesting rules compare between Redmond, WA and Seattle, WA?
Redmond, WA
King County
Rainwater collection is legal and encouraged in Redmond per Washington Department of Ecology 2009 guidance; systems for non-potable outdoor use require no permit, while plumbed indoor uses require building permits.
View full Redmond rules →Seattle, WA
King County
No data available yet for Seattle.
Key Facts Comparison
| Fact | Redmond | Seattle |
|---|---|---|
| Legal Status | Permitted statewide | - |
| Rain Barrel Permits | Not required | - |
| Ecology Policy | 2009 guidance | - |
| Plumbed System Permit | Required | - |
| Rebate Program | Stewardship Partners | - |
Highlighted rows indicate differences between cities.
Redmond FAQ
Can I collect rainwater in Redmond?
Yes. Washington Ecology confirmed rooftop rainwater collection is legal with no permit required for outdoor non-potable use.
Do I need a permit for a large cistern?
Yes, if plumbed into a structure or used indoors. A building/plumbing permit from Redmond Development Services is required.
Seattle FAQ
No FAQs available.
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