Cardboard Recycling in Rockville, MD
Large cardboard boxes that don't fit in a Rockville recycling cart go next to it, labeled "For Recycling," on recycling day.
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Checked October 26, 2026 · Call before you go · How we check
Before you go
- Check whether you have corrugated boxes, coated packaging or mixed materials.
- Remove foam, plastic and other packing inserts.
- Flatten boxes and check quantity limits for your program.
Maryland rules
- Household hazardous waste may include agricultural chemicals, cleaning agents and solvents, motor oils, paint, pesticides and preservatives. Source: Annotated Code of Maryland, Environment 9-1801: Household hazardous waste definitions (opens in new tab)
- Maryland does not regulate HHW as hazardous waste, and federal law allows HHW in household trash. Source: MDE: Household Hazardous Waste (HHW) (opens in new tab)
More Maryland rules (3)
- MDE recommends taking HHW to local HHW collection programs. Source: MDE: Household Hazardous Waste (HHW) (opens in new tab)
- Many Maryland counties collect HHW such as mercury, paint, paint thinner, pesticides, herbicides and batteries. Source: MDE: Household Hazardous Waste (HHW) (opens in new tab)
- Some counties hold HHW days only once a year; contact your county for the next date and accepted materials. Source: MDE: Household Hazardous Waste (HHW) (opens in new tab)
Where this information comes from (10)
Where this information comes from
Checked October 26, 2026
- Trash and Recycling Drop-Off Hours and Events (opens in new tab) · Montgomery County Department of Environmental Protection
- No out-of-county waste is allowed and all residents must provide proof of residency. Checked October 26, 2026.
- Proof of County Residency (opens in new tab) · Montgomery County Department of Environmental Protection
- Montgomery County residents may bring material to the Shady Grove Transfer Station and the Poolesville Beauty Spot; proof of county residency is required. Checked October 26, 2026.
- User Fees - Transfer Station, Trash & Recycling (opens in new tab) · Montgomery County Department of Environmental Protection
- The Recyclable Materials Drop-Off Area is free except as noted and takes metal appliances and other large scrap metal, electronics, mixed paper and cardboard, and other materials. Checked October 26, 2026.
- Request a Special Collection (opens in new tab) · City of Rockville
- Scheduled collections are only for Rockville residents who receive City recycling and trash service. Checked October 26, 2026.
- Large cardboard boxes that do not fit in the recycling cart can be placed next to it with a note "For Recycling" and are picked up during regular weekly recycling collection. Checked October 26, 2026.
- Annotated Code of Maryland, Environment 9-1801: Household hazardous waste definitions (opens in new tab) · Maryland General Assembly (Annotated Code of Maryland)
- Household hazardous waste may include agricultural chemicals, cleaning agents and solvents, motor oils, paint, pesticides and preservatives. Checked October 26, 2026.
- MDE: Household Hazardous Waste (HHW) (opens in new tab) · Maryland Department of the Environment
- Maryland does not regulate HHW as hazardous waste, and federal law allows HHW in household trash. Checked October 26, 2026.
- MDE recommends taking HHW to local HHW collection programs. Checked October 26, 2026.
- Many Maryland counties collect HHW such as mercury, paint, paint thinner, pesticides, herbicides and batteries. Checked October 26, 2026.
- Some counties hold HHW days only once a year; contact your county for the next date and accepted materials. Checked October 26, 2026.
“Checked” means we read the official page on that date. Things can change, so call before you go.
How we check our information