Check the conditions for your item
Confirm that your property is inside the city service area. A ZIP code alone does not establish service.
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The local rules
Follow the conditions that match your item and collection service. Open any rule for the full instructions and sources.
Curbside recyclingReviewed ruleApplies when: What condition is the cardboard in?: Clean and dry
Flatten clean, dry boxes and place them loose in recycling.
For households · Seattle Public Utilities household collection
Reviewed September 22, 2026 · Review overdue
Seattle Public Utilities: Recycle Right · Seattle Public Utilities: How to Sort Your Compost, Recycling, and GarbageFood & yard / compostReviewed ruleApplies when: What condition is the cardboard in?: Soiled with food or grease
Put food-soiled cardboard, such as a greasy pizza box, in food and yard waste.
For households · Seattle Public Utilities household collection
Reviewed September 22, 2026 · Review overdue
Seattle Public Utilities: Compost RightVerify with the agencyReviewed ruleApplies when: What condition is the cardboard in?: Contaminated by a chemical
Ask 206-296-4692 about cardboard contaminated with a chemical. This record does not verify an ordinary bin route.
For households · Seattle Public Utilities household collection
Reviewed September 22, 2026 · Review overdue
Seattle Public Utilities: Where to Dispose of Household Hazardous Waste