Contact Bob or Janet 763-400-4362 Before coming to our location! BoxDrop Mattress Maple Grove is a locally-owned clearance center dedicated to serving our community with several nationally recognized Mattress brands. We are Owned and Operated 'Locally' to keep our overhead low. Our unique model allows our customers to purchase inventory 50-80% Off Retail and at the same time providing a higher quality product and a better experience.