Designed for all your storage needs.

Our newly constructed facility is open seven days a week and is staffed with friendly and courteous people who care about your stuff as much as you do. Whether you need your garage space back, an extra room in the house is too cluttered, or your office files are piling up, Mt. Diablo Self Storage offers spaces from 5x5 to 10x35 to fit every self-storage need.

We serve Walnut Creek, Clayton and Concord, California.