Superior Self Storage is located in North Seattle in the heart of industrial Ballard, Seattle Washington. Family-owned and -operated for more than 20 years, Superior provides secure and affordable personal storage services including indoor mini-storage as well as indoor auto storage. A secure yard also provides motorhome/RV, auto, and boat storage. And whether you call, email, online chat or just drop by, you are always dealing with the owner. This assures that you will get on-the-spot answers to all your storage questions.