Cardboard Recycling in Ellicott City, MD
In Historic Ellicott City, put clean, flattened cardboard out on Tuesday or Friday recycling days or in the district recycling dumpsters; anyone in Howard County can also drop it at Alpha Ridge.
See all 3 options
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 (13)
Where this information comes from
Checked October 26, 2026
- Residents' Convenience Center (opens in new tab) · Howard County Department of Public Works, Bureau of Environmental Services
- The Residents' Convenience Center is at 2350 Marriottsville Rd, Marriottsville, MD 21104; proof of residency is required. Checked October 26, 2026.
- Residential hours are Monday-Saturday, 8 a.m.-4 p.m. Checked October 26, 2026.
- Cardboard such as moving, appliance, storage and shipping boxes is accepted; please flatten it. Checked October 26, 2026.
- Alpha Ridge Landfill (opens in new tab) · Howard County Department of Public Works, Bureau of Environmental Services
- Alpha Ridge is the only public landfill open to accept waste generated in Howard County, and only that waste. Checked October 26, 2026.
- Historic Ellicott City Collection (opens in new tab) · Howard County Department of Public Works, Bureau of Environmental Services
- Howard County provides trash and recycling services to residents and businesses in Historic Ellicott City (HEC). Checked October 26, 2026.
- In Historic Ellicott City, trash is collected Monday, Thursday and Saturday and recycling Tuesday and Friday. Checked October 26, 2026.
- Clean, flattened cardboard is accepted in HEC recycling (remove plastic liners, waxed paper and foam packaging). Checked October 26, 2026.
- HEC residents and businesses may also use trash and recycling dumpsters; flatten cardboard boxes and leave nothing on the ground beside a dumpster. 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.
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