TrashRules

A field guide for
the things we leave behind.

Find another item

Choose your collection city. We’ll help with the details.

Paint & chemicalsSeattle, Washington

Unknown or unlabeled chemicals

Unknown chemicals need agency instructions. Household hazardous-waste facilities do not accept unidentified waste.

Paint & chemicals
More information needed

Check the conditions for your item

Confirm that your property is inside the city service area. A ZIP code alone does not establish service.

Your item, your situation

Find your next step

Your answers stay in this browser
Where it's being collected

A ZIP code alone does not confirm service. Check with Seattle Public Utilities

Specific limits still apply. Large quantities need separate confirmation.

Keep the details close

The local rules

Seattle

Follow the conditions that match your item and collection service. Open any rule for the full instructions and sources.

Verify with the agencyReviewed ruleApplies when: Are there signs of immediate danger?: No active spill, leak, fumes, fire, or immediate danger

Call the Haz Waste Help Line at 206-296-4692. Do not assume a household hazardous-waste site accepts an unknown or unlabeled chemical.

For households · Seattle Public Utilities household collection

Exceptions to check

Reviewed September 22, 2026

King County Hazardous Waste Management Program: Unknown or unlabeled waste disposal
Verify with the agencyReviewed ruleApplies when: Are there signs of immediate danger?: Active spill, leak, toxic fumes, fire, or immediate danger

Leave the area, warn others to stay away, and call 911 for an active hazardous spill, gas leak, toxic fumes, fire, or immediate danger.

For households · Seattle Public Utilities household collection

Reviewed September 22, 2026

Seattle Office of Emergency Management: Hazardous materials emergency instructions · Seattle Public Utilities: Spill Response Program