Welcome to Spare Room Self Storage! We are your 24 hour accessible self-storage facility. The facility is located at William Street and Harlem Road, behind the Romar Industrial Plazaâ¦ on the North West corner. The actual address is 34 Grattan Street, Buffalo NY, 14206. If you would like to meet us, you can come see us at our office located at 1545 William Street, Buffalo NY, 14206â¦ one minute away, at the corner of William Street and Bailey Avenue. We are physically at the office from 9-12:30 every day except Sunday, but we can be reached by phone or message up until the evening hours to help answer your questions. *Please note, our facility is not for college break students.* There is a two month minimum rental requirement. We specialize in customer service and look forward to meeting your storage needs!