What Howard County itself runs: 3 landfills, sites and programs covering 13 items. If your town doesn’t have its own page, these are usually the places to start.
Checked October 26, 2026 · Call before you go · How we check
Howard County Alpha Ridge Landfill Residents' Convenience Center
Residential recycling and trash drop-off for Howard County residents at the Alpha Ridge Landfill, 2350 Marriottsville Rd, Marriottsville, MD 21104 (the U.S. Census places this address outside any incorporated place or CDP). Open Monday-Saturday, 8 a.m.-4 p.m.; proof of residency required. Takes mattresses and box springs, electronics including TVs, scrap metal and appliances, tires off the rim, cardboard and lead-acid batteries.
Howard County household hazardous waste collection (Alpha Ridge Landfill)
Saturday household hazardous waste drop-off (April-November, 8 a.m.-4 p.m.) for Howard County residents at the Alpha Ridge Landfill Residents' Convenience Center, 2350 Marriottsville Road, Marriottsville, MD 21104 (outside any Census place). Takes paint, rechargeable/button/lithium batteries and other household chemicals; driver's license required as proof of residence.
Scheduled curbside pickup of large broken metal items (washers, dryers, stoves, refrigerators, metal cabinets and desks, exercise equipment, grills) for households that receive Howard County trash collection; up to two collections a year, schedule online or at 410-313-6444.
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.
Mattresses and box springs of all sizes are accepted; wet mattresses are not. Checked October 26, 2026.
Accepted electronics include computer monitors, CPUs, televisions, laptops and printers. Checked October 26, 2026.
The metal items and appliances area takes appliances, microwaves, refrigerators and sheet metal, among other metal items. Checked October 26, 2026.
Refrigerators go in a designated area (not the scrap metal container) because their coolants must be removed; remove doors and drawers. Checked October 26, 2026.
Automobile and truck tires are accepted; tires on rims, over 4 feet in diameter or over 15 inches wide are not. Checked October 26, 2026.
Cardboard such as moving, appliance, storage and shipping boxes is accepted; please flatten it. Checked October 26, 2026.
Lead-acid batteries for automobiles, boats, motorcycles, ATVs and kids' powered vehicles are recycled at Alpha Ridge Monday-Saturday, 8 a.m.-4 p.m. Checked October 26, 2026.
Household hazardous waste is taken Saturdays only, April through November, 8 a.m.-4 p.m., at the Alpha Ridge Landfill, 2350 Marriottsville Road. Checked October 26, 2026.
Residents must show their driver's license as proof of Howard County residence. Checked October 26, 2026.
Accepted materials include rechargeable, button and lithium batteries, paint and paint thinners. Checked October 26, 2026.
Residents who receive County collections are eligible for bulk trash and scrap metal pickups. Checked October 26, 2026.
Large broken items such as dryers, washers, stoves, refrigerators, metal cabinets, desks and exercise equipment qualify for scrap metal collection. Checked October 26, 2026.
Scrap metal pickups must be scheduled online or by phone at 410-313-6444. Checked October 26, 2026.
Items must be under 10 feet long or wide, and only two collections may be scheduled per year. Checked October 26, 2026.
Remove all contents of a refrigerator and secure the doors shut or remove them. Checked October 26, 2026.
“Checked” means we read the official page on that date. Things can change, so call before you go.