Alpha Ridge Landfill

Hours of Operation:
Mon-Sat, 8am to 4pm (residential)
Mon-Sat, 8am to 3:30pm (commercial)            
Sundays - Closed 
2350 Marriottsville Road,
Marriottsville, MD 21104

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Dates to Remember

Special HHW Drop-Off
Saturday, March 4
Safely dispose of HHW from 10am to 4pm.
HHW Drop-Off Resumes
Saturday, April 1
Safely dispose of HHW from 10am to 4pm.

150 year old oak at Alpha Ridge dies

Change comes to us all. The specimen oak at Alpha Ridge Landfill has succumbed to age, rot, bugs and weather. The tree located near the landfill’s cow barn expired this fall, its last branches collapsing in September weather. The tree, about 100 years old when it was acquired with the landfill property in 1979 stood watch over the area just north of I-70 at the landfill for decades. After reviewing its condition with the DPW tree crew, after the storm, there was nothing alive left to salvage. Jeff Dannis, Chief of the Operations Division reported, “It had been rotting from the inside for years. Finally the exterior ring could no longer support the two remaining branches, and they dropped to the ground tearing at what remained of the trunk.” The tree remains will be removed and remaining wood assessed for specialty lumber. Rotted and insect ridden material will be composted. “It’s a shame,” said Dannis, “long-term planning for the site had planned for the tree’s continued watch over the site.” There are currently no intermediate plans for the crest where the tree stood. (Picture taken by Paul M)

General Information

Howard County residents can dispose of trash and recyclable items at the Alpha Ridge Landfill. Residents using the landfill are required to show their driver's licenses as proof of residence in Howard County each time they enter.

Hours of Operation:

Monday - Saturday, 8 am to 4:00 pm (residential)
Monday - Saturday, 8 am to 3:30 pm (commercial)
Sundays - Closed

The landfill will be closed on the following holidays:

New Year's Day
Memorial Day
Independence Day
Labor Day
Thanksgiving Day
Christmas Day


From Route 29 north, take Interstate 70 west to exit 83. Keep right onto Marriottsville Road, the entrance will be on the left. The address is 2350 Marriottsville Road, Marriottsville, MD 21104.


Residents' Convenience Center

Residents using the Convenience Center are required to show their driver's license as proof of residency in Howard County. The convenience center accepts many items for reuse, recycling and disposal. For special exceptions, click here.

NOTE: Residents disposing of construction, demolition and home improvement material (C&D waste) will be directed to weigh in at the scalehouse and will be charged $80/ton ($4 per 100 pounds) of waste. This includes deliveries mixed with household waste.

Wood Waste Area and Products For Sale

Material brought to the Alpha Ridge Landfill Wood Waste Area is processed on-site and made into compost ($23 per cubic yard), mulch ($21 per cubic yard) and a topsoil blend ($25 per cubic yard). Residents may purchase these products in bulk from the Alpha Ridge Landfill. Here are more details about dropping off yard trim and wood waste, as well as information about HoCoGro products.

Here is a list of contractors who will deliver HoCoGro compost, mulch or topsoil to residents’ homes. Prices vary by vendor. Please remember that the cost listed does not include the cost of the product.

Pilot Composting Facility

Details about the Alpha Ridge Landfill Pilot Composting Facility.

Landfill Gas to Energy Project

Details about the Alpha Ridge Landfill Gas to Energy project.

Prohibited Items

Commercial/Small Business Permits

Please follow the directions on the application for where to make payment.

NOTE: As of July 1, 2015 the Commercial Solid Waste tip fee will be $80 per ton.

Goodwill truck

NEW! Starting November 7, a Goodwill truck will now be at The Alpha Ridge Landfill on Mondays from 8:30am-3:30pm. As usual, they will also be in the lower area by the gazebo from 8am to 3:30pm on the 2nd and 4th Saturday of each month. Donate used clothes, toys, housewares and small appliances to keep those good items out of the trash. Note: Furniture will be accepted on limited basis and at the discretion of the Goodwill attendant. It's best to take furniture to one of their stores for donation. Visit for more information.