What to Do With Empty Paint Cans: Can They Go in the Garbage?

Whether an empty paint can be thrown in regular household trash depends on local waste disposal regulations, which vary by municipality, and on whether the can is genuinely empty and dry — checking your specific local rules is the only way to know for certain, since this genuinely isn't universal.

1. Latex (water-based) paint cans: often acceptable once fully dried

Many municipalities allow a latex paint can in regular trash once the remaining paint has fully dried and hardened (sometimes with the lid left off to speed drying, or using a paint hardener additive) — but this varies by location, and checking local guidelines confirms whether this applies in your specific area.

2. Oil-based paint cans: generally treated as hazardous waste

Oil-based paint is more commonly classified as household hazardous waste and typically can't go in regular trash even once dry — most municipalities require oil-based paint and its containers to be taken to a designated hazardous waste collection site or event.

3. Checking your specific municipality's rules

Local waste management department websites typically post specific guidance on paint can disposal, including any local hazardous waste collection events or permanent drop-off locations — checking this directly, rather than assuming a general rule applies everywhere, avoids an improper disposal violation.

4. Drying out latex paint before disposal

For latex paint being prepared for disposal, mixing in cat litter, a commercial paint hardener product, or simply leaving the lid off in a well-ventilated area (away from children and pets) until the paint fully solidifies makes it safe and often acceptable for standard trash disposal, where local rules allow this.

5. Paint recycling and donation programs

Many areas have paint recycling programs (sometimes called PaintCare or similar) that accept both latex and oil-based paint for proper recycling or disposal — checking whether such a program exists locally is often a more responsible option than disposal, and sometimes accepts paint that could otherwise still be usable.

6. Empty, fully-dried cans with no remaining paint

An empty metal paint can with no remaining wet or dried paint residue can often be recycled as scrap metal in many areas' standard recycling programs, distinct from the disposal question for a can with paint residue still inside — checking local recycling guidelines for metal container acceptance applies here.

7. The practical takeaway

Given how much this varies by location and paint type, checking your specific municipality's household hazardous waste and recycling guidelines before disposing of any paint can — rather than assuming a general rule — is the only reliable way to dispose of paint cans properly and legally.