Fast, friendly and reliable, Demp Dump LLC is committed to doing the right thing by you the customer, by offering firm quotes up front and delivering on our word. DEMP DUMP, LLC is Virginia’s ultimate junk removal experts! For both Washington DC Metro and Fairfax County, Virginia area. Our job is simple — we help people in Alexandria and Clifton and surrounding communities like Frederick, Manassas, Rockville, Gaithersburg, and more get rid of their junk quickly, efficiently and with smiles on our faces!