Montgomery County Dump — Shady Grove Transfer Station Hours & Rules

Montgomery County's public drop-off is the Shady Grove Processing and Transfer Station, with its residential entrance at 16101 Frederick Road in Derwood. It's open every day: 7 a.m. to 5 p.m. Monday to Saturday, and 9 a.m. to 5 p.m. on Sunday, when you use the Shady Grove Road entrance.

Bring proof of residency; out-of-county waste is turned away. Loads over 500 lbs must cross the scales and pay the posted fee, and commercial loads aren't taken on Sundays.

Disposal sites in Montgomery County

Shady Grove Processing and Transfer Station

Transfer Station

Montgomery County Department of Environmental Protection

16101 Frederick Rd., Derwood, MD 20855 Directions

📞 (240) 777-0311

Hours
Mon–Sat (both entrances)	7:00 a.m. – 5:00 p.m.
Sunday (Shady Grove Rd. entrance)	9:00 a.m. – 5:00 p.m.

Fees

Loads over 500 lbs must be weighed at the scales and pay the posted fee

Accepts: Household trash (Public Unloading Facility), recycling, electronics, books, textiles, building materials, tires, bicycles, household hazardous waste

Won't take: Out-of-county waste; commercial waste and commercial or rental vehicles on Sundays

Residential entrance: 16101 Frederick Rd., Derwood. Commercial and truck entrance: 16055 Shady Grove Rd., Gaithersburg. Bring proof of residency.

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Where to unload

Use the residential entrance on Frederick Road and drive past the Recycling Center on your right. Household trash goes to the Public Unloading Facility on the left. Keep going counter-clockwise past it to drop off recyclables and other non-trash materials. On the right you'll find drop-offs for electronics, books, textiles and building materials; tires and bicycles; and household hazardous waste.

Mattresses

Since July 1, 2026, the transfer station accepts mattresses and box springs in commercial loads only with a residential manifest showing same-day collection within Montgomery County; other commercial mattresses are turned away. The county also runs a Mattress and Box Spring Recycling Program.

Every Maryland rate we've verified is side by side in our guide to what it costs to dump in Maryland.

Find a disposal site near you

Enter your city or ZIP for the nearest sites across Maryland, then call ahead — hours and access rules vary a lot here.

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Common questions

Where is the dump in Montgomery County?

The Shady Grove Processing and Transfer Station. The residential entrance is at 16101 Frederick Rd., Derwood; trucks and commercial vehicles use 16055 Shady Grove Rd., Gaithersburg. Call 311 or (240) 777-0311.

Is the Montgomery County transfer station open on Sunday?

Yes, 9 a.m. to 5 p.m., using the Shady Grove Road entrance only. Commercial waste and commercial or rental vehicles aren't accepted on Sundays.

Do I have to pay to drop off trash at Shady Grove?

Loads over 500 lbs must be weighed at the scales and pay the required fee. Recycling and the other drop-off areas are for residents with proof of residency.

Can I take household hazardous waste to Shady Grove?

Yes. The transfer station has a household hazardous waste drop-off on the right side of the residential loop.

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