Household hazardous waste drop-off in Harford County, Maryland
Household hazardous waste programs that list Harford County, from county and Baltimore City pages and flyers, and the Maryland Department of the Environment list. Most programs serve only their own residents, so check “who can use it” on each listing.
Part of the Baltimore-Columbia-Towson metro.
Collection event
- County contact
- 410-638-3417
- Program
- Household hazardous waste collection events several times a year, residents only
Upcoming collection events
- Collection event · 3139 Scarboro Road, Street, MD 21154 · Date: Sat, Nov 14, 2026Who can use it: Harford County residents only; proof of residency required
No upcoming events are listed right now. Call Harford County at 410-638-3417 for the next collection date.
Call ahead. Hours, limits and accepted items change. Confirm with the program before you go.
Last checked Mon, Oct 26, 2026. Each listing links to its own page with the official sources and the date we checked it. How we check · Report a correction.