Lumber Inn is located at 10046 Darnestown Rd, Rockville, MD. This business specializes in Construction Materials & Equipment. Lumber Inn is open Mon, 10am-10pm; Tue, 10am-10pm; Wed, 10am-10pm; Thu, 10am-10pm; Fri, 10am-11pm; Sat, 10am-11pm; Sun, 10am-11pm and accepts Cash, Mastercard and Visa.