Home Maryland Gaithersburg, MD City of Gaithersburg Curbside Yard Waste Recycling Program City of Gaithersburg Curbside Yard Waste Recycling Program Contact Information Gaithersburg, MD, Maryland 20877 (301) 258-6370 Hours Please call for the curbside collection schedule. Garden / Yard Waste Branches Brush Grass Clippings Weeds Yard Waste 1 2 3 4 52.001