Yard Sale - Upper Marlboro - SAT- OCT 17th YARD SALE Saturday - October 17th 8AM to 1PM 12702 Coventry Manor Way Upper Marlboro, MD 20772 Clothing/Shoes (new and used adults and kids), home decor, kitchenware, household appliances, household items, exercise equipment, and miscellaneous. If it is raining, it will be postponed.